PANASONIC-TXS2SA-L2-3V
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Signal Relays ( 2A or less )
TX-S RELAYS
Product Catalog
2022.4
Signal Relays (2A or less)
REL
A
Y
S
TX-S
High sensitivity, 50 mW operating power, 2 Form C and 1A relays
FEATURES
Protective construction
：
Sealed type
2 types of terminal shapes:
PC board terminal and Surface-mount terminal
Ag+Au clad contact and AgPd contacts suitable for
use in low level load analog circuits
High sensitivity: Rated operating power 50 mW
(Single side stable)
7.4
8.2
15
Low thermal electromotive force: Approx. 0.3 μV
Compliant with Telcordia standard: Surge withstand
voltage 2,500 V (between contact and coil)
Confort to FCC Part68: Surge withstand voltage
1,500 V (between open contacts)
7.4
8.4
15
TYPICAL APPLICATIONS
Telecommunication equipment and modem
Medical and security equipment
（
Unit
：
mm
）
ORDERING INFORMATION (PART NO. : Ordering part number for Japanese market)
ATXS 2
Packing style
*2
Contact material
Terminal shape / Operating function
0
：
Standard PC board terminal type or
Surface-mount terminal
Nil
：
Tube packing
Nil
：
Standard conta
c
（
t Ag+Au
clad
）
20
：
AgPd conta
c
（
t low
level load
）
;
AgPd+Au cla
d
（
stationary
）
,
AgP
d
（
movable
）
X
Z
：
Tape and ree
（
l picked
from 1/3/4/5-pin side
）
：
Tape and reel packing
picked from the 8/9/10/12-pin side
（
）
Single side stable
W
：
Tape and reel packin
g
（
picked from 1/3/4/5-pin side
）
1
：
Standard PC board terminal type or
Surface-mount terminal
With humidity indicator and silica gel in moisture proof bag
*3
：
Tape and reel packin
g
（
picked from 8/9/10/12-pin side
）
With humidity indicator and silica gel in moisture proof bag
*3
Y
1 coil latching
Rated coil voltage (DC)
0
:
1.5
V
, 1
:
3
V
,
2
:
6
V
,
3
:
12
V
,
4
:
24
V
,
6
:
4.5
V
, 7
:
9
V
,
2
：
Standard PC board terminal type or
Surface-mount terminal
Surface-mount type
Nil
：
Standard PC board terminal type
SA
：
SA type
2 coil latching (L2)*
5
6
：
Standard PC board terminal type or
Surface-mount terminal
SS
：
SS type
2 coil latching (LT)
Contact arrangement
2
：
2 Form C
*1: Please
contact our sales representative for detailed specifications when using L2 of the operation function.
*2: Th
e
“
W
”
an
d
“
Y
”
at the end of the part number only appears on the inner and outer packing.
It does not appear on the relay itself.
*3: Each
reel is packed with humidity indicators and silica gel in the moisuture proof pack.
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
Panasonic Industry Co., Ltd. 2022
ASCTB15E 20220
4
ー 1 ー
industrial.panasonic.com/ac/e/
Signal Relays (2A or less) TX-S RELAYS
ORDERING INFORMATION (TYPE NO. : Ordering part number for non Japanese market)
TXS 2
Contact material
Packing style
*2
Surface-mount type
Nil
：
Standard PC board terminal type
SA
：
SA type
Nil
：
Standard conta
c
（
t Ag+Au
clad
）
1
：
AgPd conta
c
（
t low
level load
）
;
AgPd+Au cla
d
（
stationary
）
,
AgP
d
（
movable
）
Nil
：
Tube packing
X
Z
：
Tape and ree
（
l picked
from 1/3/4/5-pin side
）
picked from the 8/9/10/12-pin side
：
Tape and reel packin
g
（ ）
SS
：
SS type
W
：
Tape and reel packin
g
（
picked from 1/3/4/5-pin side
）
With humidity indicator and silica gel in moisture proof bag
*3
：
Tape and reel packin
g
（
picked from 8/9/10/12-pin side
）
With humidity indicator and silica gel in moisture proof bag
*3
Y
Contact arrangement
2
：
2 Form C
Rated coil voltag
e
（
DC
）
1.5, 3, 4.5, 6, 9, 12, 24 V
Operating function
Ni
l
：
Single side stable
L
T
：
2 coil latching (SET = 1.6 Pin)*
1
L
2
：
2 coil latching (SET = 1.12 Pin)
*1: Please
contact our sales representative for detailed specifications when using L2 of the operation function.
*2: Th
e
“
W
”
an
d
“
Y
”
at the end of the part number only appears on the inner and outer packing.
It does not appear on the relay itself.
*3: Each
reel is packed with humidity indicators and silica gel in the moisuture proof pack.
TYPES
” Type No. ” is ordering part number for non Japanese market. ” Part No. ” is ordering part number for Japanese market.
PC board terminal
Tube packing
Single side stable
Type No.
Part No.
2
coil latching (LT)
Part No.
Standard packing
Contact
arrangement
Rated coil
voltage
Carton
Outer
Type No.
(
1
Tube packing)
carton
1
.
5
3
5
6
9
V DC
V DC
V DC
V DC
V DC
TXS
TXS
TXS
TXS
TXS
TXS
TXS
2
–
2
–
2
–
2
–
2
–
2
–
2
–
1
3
4
6
9
.
5
V
ATXS
200
ATXS
201
ATXS
206
ATXS
202
ATXS
207
ATXS
203
ATXS
204
TXS
TXS
TXS
TXS
TXS
TXS
TXS
2
2
2
2
2
2
2
-LT-
-LT-
-LT-
-LT-
-LT-
1
3
4
6
9
.
5
V
ATXS
260
ATXS
261
ATXS
266
ATXS
262
ATXS
267
ATXS
263
ATXS
264
V
V
4
.
.
5
V
.
5
V
2
Form C
V
V
V
V
40
pcs.
1
,
000
pcs.
12
V DC
24
V DC
12
24
V
-LT-
12
-LT-
24
V
V
V
Note: Please add “-1” to the end of the type number or “20” to the end of the part number for AgPd contacts (low level load).
Surface-mount terminal
SA Type: Tube packing
Single side stable
Type No.
Part No.
2
coil latching (LT)
Standard packing
Carton
Tube packing)
Contact
arrangement
Rated coil
voltage
Type No.
Part No.
Outer carton
(
1
1
.
5
3
5
6
9
V DC
V DC
V DC
V DC
V DC
TXS
TXS
TXS
TXS
TXS
TXS
TXS
2
2
2
2
2
2
2
SA-
SA-
SA-
SA-
SA-
1
3
4
6
9
.
5
V
V
ATXS
200
SA
ATXS
201
SA
ATXS
206
SA
ATXS
202
SA
ATXS
207
SA
ATXS
203
SA
ATXS
204
SA
TXS
TXS
TXS
TXS
TXS
TXS
TXS
2
2
2
2
2
2
2
SA-LT-
SA-LT-
SA-LT-
SA-LT-
SA-LT-
1
3
4
6
9
.
5
V
V
ATXS
260
SA
ATXS
261
SA
ATXS
266
SA
ATXS
262
SA
ATXS
267
SA
ATXS
263
SA
ATXS
264
SA
V
V
4
.
.
5
.
5
2
Form C
V
V
V
V
40
pcs.
1
,
000
pcs.
12
V DC
24
V DC
SA-
12
SA-
24
V
SA-LT-
12
SA-LT-
24
V
V
V
Note: Please add “-1” to the end of the type number or “20” to be added in front of “surface-mount type” in part number for AgPd contacts (low level load).
SA Type:
T
a
pe and reel packing: Z
Single side stable
2
coil latching (LT)
Part No.
Standard packing
Carton
Reel)
Contact
arrangement
Rated coil
voltage
Type No.
Part No.
Type No.
Outer carton
(
1
1
.
5
3
5
6
9
V DC
V DC
V DC
V DC
V DC
TXS
TXS
TXS
TXS
TXS
TXS
TXS
2
2
2
2
2
2
2
SA-
SA-
SA-
SA-
SA-
1
3
4
6
9
.
5
V-Z
V-Z
V-Z
ATXS
200
SAZ
ATXS
201
SAZ
ATXS
206
SAZ
ATXS
202
SAZ
ATXS
207
SAZ
ATXS
203
SAZ
ATXS
204
SAZ
TXS
TXS
TXS
TXS
TXS
TXS
TXS
2
2
2
2
2
2
2
SA-LT-
SA-LT-
SA-LT-
SA-LT-
SA-LT-
1
3
4
6
9
.
5
V-Z
V-Z
V-Z
ATXS
260
SAZ
ATXS
261
SAZ
ATXS
266
SAZ
ATXS
262
SAZ
ATXS
267
SAZ
ATXS
263
SAZ
ATXS
264
SAZ
4
.
.
5
.
5
2
Form C
V-Z
V-Z
V-Z
V-Z
500
pcs.
1
,
000
pcs.
12
V DC
24
V DC
SA-
12
V-Z
SA-
24
V-Z
SA-LT-
12
V-Z
SA-LT-
24
V-Z
Notes: 1. Please add “-1” to the end of the type number or “20” to be added in front of “surface-mount type” in part number for AgPd contacts (low level load).
2. For taping packaging X, W, and
Y
,
c
hange “Z” at the end of the part number to “X”, “W”, and “Y”.
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
Panasonic Industry Co., Ltd. 2022
ASCTB15E 20220
4
ー 2 ー
industrial.panasonic.com/ac/e/
Signal Relays (2A or less) TX-S RELAYS
RATING
Coil data
• Operating characteristics such as “Operate voltage” and “Release voltage” are influenced by mounting conditions or ambient
temperature, etc.
Therefore, please use the relay within ± 5% of rated coil voltage.
• “Initial” means the condition of products at the time of delivery.
Single side stable
Rated operating
current
(±
10
%, at
20
°C)
Max. allowable
Rated coil
voltage
Operate voltage*
(at
20
°C)
Release voltage*
(at
20
°C)
Coil resistance
(±
10
%, at
20
°C)
Rated operating power
voltage
(at
20
°C)
1
.
5
3
5
6
9
V DC
V DC
V DC
V DC
V DC
33
16
11
8
.
3
.
7
.
1
.
3
.
6
.
2
.
9
mA
mA
mA
mA
mA
mA
mA
45
180
405
720
620
880
229
Ω
Ω
Ω
Ω
Ω
Ω
Ω
4
.
Max.
80
% V of
rated coil voltage
(Initial)
Min.
10
% V of
rated coil voltage
(Initial)
50
mW
70
mW
150
% V of
rated coil voltage
5
1
2
8
,
,
,
12
V DC
24
V DC
4
2
*square, pulse drive
2 coil latching
Rated operating
current
(±
10
%, at
20
°C)
Coil resistance
(±
10
%, at
20
°C)
Max. allowable
voltage
Rated operating power
Rated coil
voltage
Set voltage*
(at
20
°C)
Reset voltage*
(at
20
°C)
(at
20
°C)
Set coil
Reset coil
Set coil
Reset coil
Set coil
70
mW
150
mW
Reset coil
1
.
5
3
5
6
9
V DC
V DC
V DC
V DC
V DC
46
23
15
11
7
.
7
.
3
.
6
.
7
.
8
.
8
.
3
mA
mA
mA
mA
mA
mA
mA
46
23
15
11
7
.
.
.
.
.
.
.
7
3
6
7
8
8
3
mA
mA
mA
mA
mA
mA
mA
32
.
1
Ω
Ω
Ω
Ω
Ω
Ω
Ω
32
.
1
Ω
Ω
Ω
Ω
Ω
Ω
Ω
129
289
514
157
057
840
129
289
514
157
057
840
4
.
Max.
80
% V of
rated coil voltage
(Initial)
Max.
80
% V of
rated coil voltage
(Initial)
70
mW
150
% V of
rated coil voltage
1
,
2
,
3
,
1
2
3
,
,
,
12
V DC
24
V DC
5
5
6
6
150
mW
*square, pulse drive
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
Panasonic Industry Co., Ltd. 2022
ASCTB15E 20220
4
ー 3 ー
industrial.panasonic.com/ac/e/
Signal Relays (2A or less) TX-S RELAYS
Specifications
Specifications
Item
Standard contact
AgPd contact (low level load)
Contact arrangement
2
Form C
Contact resistance
(initial)
Max.
100
mΩ (by voltage drop
6
V DC
1
A)
Contact material
Ag+Au clad
AgPd+Au clad (stationary), AgPd (movable)
Contact rating
(resistive)
1
A
30
V DC
Contact data
Max. switching power
(resistive)
30
W (DC)
Max. switching voltage
110
V DC
Max. switching current
1
A (DC)
10
μA
10
mV DC
Min.
000
MΩ (at
500
V DC, Measured portion is the same as the case of dielectric strength.)
Min. switching load
(reference value)*
1
Insulation resistance (initial)
1
,
Between open contacts
750
Vrms for
1
min (detection current:
10
mA)
Dielectric
strength (initial)
coil
Between contact and
1
,
800
Vrms for
1
min (detection current:
10
mA)
min (detection current:
10
mA)
Between contact sets
1
,
,
000
Vrms for
1
Between open contacts
1
500
V
10
×
160
μs
Surge
withstand
voltage (initial)
Between contact and
coil
2
,
500
V
2
×
10
μs
Max.
[Max.
5
5
ms at rated coil voltage (at
20
°C, without bounce)
ms (at
20
°C, without bounce)]
Operate (Set) time
Time
characteristics
(initial)
Max.
[Max.
5
5
ms at rated coil voltage (at
20
°C, without bounce, without diode)
ms (at
20
°C, without bounce)]
Release (Reset) time
Functional
750
m/s
2
(half-sine shock pulse:
ms, detection time:
10
μs)
000
m/s
2
(half-sine shock pulse:
6
ms)
6
Shock
resistance
Destructive
Functional
1
,
10
to
55
Hz (at double amplitude of:
3
.
3
mm, detection time:
10
μs)
Vibration
resistance
Destructive
Mechanical life
10
to
55
Hz (at double amplitude of:
5
mm)
Expected life
Conditions
Unit weight
Min.
50
Ambient temperature:
40
to +
70
°C (Allowable temperature is from –
40
to +
70
°C at our standard packing condition.)
x
10
6
ope. (Switching frequency: at
180
times/min)
Conditions for usage,
transport and storage*
2
–
Humidity:
5
to
85
% RH (Avoid icing and condensation)
Approx.
2
g
Note: For AC load, please inquire our sales office for details.
*1. This value is a rough indication of the lower limit at which switching is possible at micro load level.
This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load.
AgPd contact is recommended for low level load (Max. 10 V DC, 10 mA level).
*2. For ambient temperature, please refer to the “GUIDELINES FOR RELAY USAGE”.
Electrical life
Conditions: resistance load, switching frequency at 20 times / minute.
Type
Standard contact
AgPd contact (low level load)
Switching capacity
Number of operations
Min.
200
Min.
100
x
x
10
3
ope.
10
3
ope.
2
Form C
1
A
30
V DC
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
Panasonic Industry Co., Ltd. 2022
ASCTB15E 20220
4
ー 4 ー
industrial.panasonic.com/ac/e/
Signal Relays (2A or less) TX-S RELAYS
REFERENCE DATA
1. Max. switching capacity
2. Switching life curve
100
1
DC resistive load
（
co
s
φ
＝
1
）
0.5
0.4
30V DC resistive load
10
0
0.3
0.2
0
30
0
100
0
0.5
1
200
Contact voltage, V
Switching capacity, A
3-1. Coil temperature rise value (Average)
3-2. Coil temperature rise value (Average)
Tested sample
：
TXS2-4.5
V
, 6
p
cs.
Point measured
：
Inside the coil
Ambient temperature
：
25
°
C, 70
°
C
Tested sample
：
TXS2-24
V
, 6
p
cs.
Point measured
：
Inside the coil
Ambient temperature
：
25
°
C, 70
°
C
30
30
Room temperature
+70
°
C
Room temperature
+70
°
C
20
10
0
20
10
0
1A
1A
0A
1A
1A
0A
0A
0A
0
100 110 120 130 140 150 160
0
100 110 120 130 140 150 160
Coil applied voltage,
％
V
Coil applied voltage,
％
V
4. Ambient temperature characteristics
5. Mechanical life
(Average)
Tested sample
：
TXS2-4.5
V
, 5
p
cs.
Tested sample
：
TXS2-4.5
V
,
1
0 pcs.
Operating speed
：
180 cpm
100
90
40
30
Release
Ave.
80
20 voltage
Ave.
Operate voltage
70
Max.
Min.
10
60
50
40
30
-60 -40 -20
0
20 40
60 80
100
Ambient
Operate
voltage
-10
temperature,
℃
-20
-30
-40
Release voltage
20
Max.
Min.
10
0
0
10
100
1,000 5,000
No. of operations
,
×
10
4
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
Panasonic Industry Co., Ltd. 2022
ASCTB15E 20220
4
ー 5 ー
industrial.panasonic.com/ac/e/
Signal Relays (2A or less) TX-S RELAYS
6. Electrical life test (1 A 30 V DC resistive load)
Tested sample
：
TXS2-4.5
V
, 6
p
cs.
Operating speed
：
20 cpm
Change of operate and release voltage
100
Change of contact resistance
100
90
90
80
70
60
50
40
30
20
10
0
80
Operate voltage
70
Max.
Min.
60
50
40
30
Max.
Min.
Release voltage
Max.
Min.
20
10
0
0
5
10
15
20
0
5
10
15
20
No. of operations
,
×
10
4
No. of operations
,
×
10
4
7-1. Operate and release time
7-2. Operate and release time
(without diode)
(with diode)
Tested sample
：
TXS2-4.5
V
,
1
0 pcs.
Tested sample
：
TXS2-4.5
V
,
1
0 pcs.
7
7
Operate time
Release time
Operate time
Release time
6
5
4
3
2
1
0
6
5
4
3
2
1
0
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
0
80
90
100
110
120
0
80
90
100
110
120
Coil applied voltage, %V
Coil applied voltage
,
（
%V
）
8-1. Functional shock (Single side stable)
8-2. Functional shock (Latching)
Tested sample
：
TXS2-4.5
V
, 6
p
cs.
Tested sample
：
TXS2-LT-4.5V, 6 pcs.
m/s
2
］
m/s
2
［ ］
Deenergized condition
Reset condition
［
Y
Y
1,000
1,000
Energized condition
Set condition
Z
Ｘ
Ｘ
Z
Ｘ’
Ｘ
Ｘ’
Ｘ
Z
’
Z
’
Z
Z
Ｘ’
Ｘ’
Z
’
Z
’
Y
Y
’
Y
’
Y
’
Y
Y
’
9-1. Influence of proximity mounting
9-2. Influence of proximity mounting
9-3. Influence of proximity mounting
Tested sample
：
TXS2-4.5
V
, 6
p
cs.
Tested sample
：
TXS2-4.5
V
, 6
p
cs.
Tested sample
：
TXS2-4.5
V
, 6
p
cs.
15
15
15
ℓ
ℓ
ON ON
ON
ON
ℓ
ℓ
ℓ
ℓ
10
5
10
10
ON
ℓ
ℓ
Operate voltage
Release voltage
Operate voltage
5
0
Operate voltage
Release voltage
5
ON
ON
ON
ON
ON
0
0
ℓ
ℓ
OFF OFF
OFF
OFF
OFF
OFF
Release voltage
ℓ
ℓ
ℓ
ℓ
-5
-5
-5
ℓ
ℓ
OFF
-10
-15
-10
-15
-10
-15
OFF
OFF
OFF
0
2
4
6
8
10 12 14 16
Inter-relay distance
ℓ
, mm
0
2
4
6
8
10 12 14 16
0
2
4
6
8
10 12 14 16
Inter-relay distance
ℓ
, mm
Inter-relay distance
ℓ
, mm
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Signal Relays (2A or less) TX-S RELAYS
10-1. High frequency characteristics
10-2. High frequency characteristics
11. Thermal electromotive force
(Isolation)
(Insertion loss)
Tested sample
：
TXS2-4.5
V
, 2
p
cs.
Tested sample
：
TXS2-4.5
V
, 2
p
cs.
Tested sample
：
TXS2-4.5
V
,
1
0 pcs.
20
Ave.=0.30
18
16
14
12
10
8
100
50
0
1
0.8
0.6
0.4
0.2
0
6
4
2
0
0
10
100
1,000
0
10
100
1,000
0
0.15 0.25 0.35 0.45 0.55
Frequency, MHz
Frequency, MHz
Thermal electromotive force,
μ
V
CAD
The CAD data of the products with a “CAD” mark can be downloaded from our Website.
DIMENSIONS
Unit: mm
PC board terminal
Single side stable
External dimensions
Recommended PC board pattern
(BOTTOM VIEW)
Schematic
(BOTTOM VIEW)
(De-energize)
CAD
10.16
2.54
1
3
4
5
15
＋
－
12
10
9
8
8
‒
1 dia.
Direction indication
Tolerance
：±
0.1
0.5
1.15
0.25
5.08
5.08
2.54
General tolerance
: ±
0.3
2 coil latching
External dimensions
Recommended PC board pattern
(BOTTOM VIEW)
Schematic
CAD
(BOTTOM VIEW)
(Reset)
(Operation function LT)
12.7
2.54
1
3
4
5
6
15
＋
＋
－
－
12
10
9
8
7
10
‒
1 dia.
Direction indication
Tolerance
：±
0.1
(Operation function L2)
0.5
1.15
0.25
5.08
5.08
2.54
4
5
1
3
6
General tolerance
: ±
0.3
＋
＋
－
－
10 9
8
12
7
Direction indication
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Signal Relays (2A or less) TX-S RELAYS
Surface-mount terminal
CAD
Recommended
PC board pattern
(TOP VIEW)
Schematic
(TOP VIEW)
Type
External dimensions
(De-energize)
5.08
1
2.54
15
12
1
10
3
9
4
8
5
－
＋
Direction indication
Tolerance
：±
0.1
5.08
9.4
±
0.5
0.5
1.15
5.08
2.54
General tolerance
: ±
0.3
(Reset)
(Operation function LT)
12
10
9
8
7
－
－
＋
5.08
1
2.54
15
＋
1
3
4
5
6
Direction indication
(Operation function L
2
)
Tolerance
：±
0.1
12 10
9
8
7
－
－
5.08
9.4
±
0.5
0.5
＋
＋
1.15
5.08
2.54
1
6
5
3
4
General tolerance
: ±
0.3
Direction indication
PACKING STYLE
Tube packing
Unit: mm
1. The relay is packing in a tube with
the relay orientation mark
Orientatio
n
（
indicates PIN No.1
）
stripe
on the left side,as shown in the figure below.
Be sure to
maintain relays in the correct orientation when
mounting on PC boards.
2. Conditions for operation, transport and storage : –40 to 70°C.
Stopp
e
（
r gray
）
Stopp
e
（
r green
）
Taping packaging
1.
T
a
pe dimensions
2. Dimensions of plastic reel
SA Type
21
±
0.8 dia.
1.5
＋
ꢀ
0
0
.1
dia.
Relay polarity bar
2
4
0.4
（
Z type
）
2
±
0.5
16
9.2
±
0.2
TX-S relays
Tape coming out direction
13
±
0.2 dia.
24.4
+ 2
0
2
±
0.2
3. Conditions for operation, transport and storage : –40 to 70°C.
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Signal Relays (2A or less) TX-S RELAYS
EXAMPLE OF RECOMMENDED SOLDERING CONDITIONS
For cautions for use, please read “Relay Soldering and Cleaning Guidelines” and “SMT Soldering Guidelines”.
PC board terminal
In case of hand soldering, the following conditions should be observed.
The effect on the relay depends on the PC board used. Please verify the actual PC board to be used.
Automatic soldering (Flow)
Hand soldering
Recommended
T
e
mperature
conditions
Measurement
location
Recommended
conditions
Measurement
location
Time
T
e
mperature
Max.
350
°C
Time
Within
120
seconds
Solder surface
terminal
Within
3
seconds
Preheating
Soldering
Max.
120
°C
260
°C ±
°C
Soldering
Tip temperature
Within
seconds
6
Solder
temperature
5
Surface-mount terminal
In case of automatic soldering (reflow), the following conditions should be observed.
IRS (infrared reflow soldering method) heating conditions
Mounting cautions
Cautions to observe when mounting temperature increases
in the relay are greatly dependent on the way different parts
are located a PC board and the heating method of the reflow
device. Therefore, please conduct testing on the actual
device beforehand after making sure the parts soldered on
the relay terminals and the top of the relay case are within the
temperature conditions.
Recommend conditions
Number of reflow
1
time
Measuring position
Surface of PC board where relay is mounted.
4
t
t
t
t
t
1
2
3
4
=60s to 120s
T
3
1
=within 20s
T
2
=within 30s
T
=within 10
s
（
245 to 250
°
C
）
T
T
T
1
=150 to 180
°
C
=230
°
C and higher
=250
°
C max
2
3
1
2
3
t
t
t
Measuring position of temperature profile
Note
：
The soldering temperature profile
indicates the pad temperature. In
some cases, the ambient
Note
temperature may be greatly
increased. Check for the specific
mounting condition.
Other things to observe
• Exceeding the stipulated conditions when soldering may
affect coaxial switch performance. Be sure to consult us
beforehand.
• Creep-up, wettability and solder strength will differ depending
on changes in the mounting conditions and type of solder.
Please evaluate based on actual production conditions.
• Only apply coating after the relay has returned to room
temperature.
• Since thermal stress on a relay will depend on the PC board
and process conditions, please be sure to test using the
actual PC board.
Each standard may be updated at any time, so please check our Website for the latest information.
SAFETY STANDARDS
UL/C-UL (Approved)
CSA (Approved)
Ambient
temperature
CSA standard approved by C-UL.
File No.
Contact rating
Operations
1
0
0
A
30
V DC Resistive
100
100
30
×
×
10
3
10
3
10
3
40
°C
40
°C
40
°C
E43149
.
5
A
A
125
V AC Resistive
110
V DC Resistive
.
3
×
BSI (Approved)
BSI standard approved by File No. VC648943
(basic insulation).
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Signal Relays (2A or less) TX-S RELAYS
GUIDELINES FOR USAGE
For cautions for use, please read “GUIDELINES FOR SIGNAL REL
A
Y
S USAGE” and “GUIDELINES FOR REL
A
Y
USAGE”.
Cautions for usage of TX-S relay
Latching
Precautions for usage of automatic insertion machine
Set the chucking pressure of the pick-up mechanism by the
automatic mounting machine with the pressure shown in
table 1 to maintain the internal function of the relay.
• Use latching when conditions involve continuous carrying
current.
• Regarding the set and reset pulse time, for the purpose of
reliable operation under ambient temperature fluctuations and
different operating conditions, we recommend setting the coil
applied set and reset pulse time to 10 ms or more at the rated
coil voltage.
A
D
E
• The relay is shipped in the reset position. But jolts during
transport or impacts during installation can change the reset
position. It is, therefore, advisable to build a circuit in which the
relay can be initialized (set and reset) just after turning on the
power.
C
B
Please chuck the
ꢀꢀ
portion.
Avoid chucking the center of the
relay. In addition, excessive
chucking pressure to the pinpoint of
the relay should be also avoided.
External magnetic field
T
a
ble 1: Chucking pressure
Since TX-S relays are highly sensitive polarized relays, their
characteristics will be af ected by a strong external magnetic
field. Avoid using the relay under that condition.
A, B and D direction
C and E direction
Max.
Max.
9
.
.
8
9
N (
1
kgf)
4
N (
500
gf)
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GUIDELINES FOR SIGNAL REL
A
Y
S USAGE
For cautions for use, please read “GUIDELINES FOR REL
A
Y
U
SAGE”.
PRECAUTIONS FOR COIL INPUT
Long term current carrying
Maximum allowable voltage and temperature rise
A circuit that will be carrying a current continuously for
long periods without relay switching operation. (circuits for
emergency lamps, alarm devices and error inspection that, for
example, revert only during malfunction and output warnings
with form B contacts)
Proper usage requires that the rated coil voltage be impressed
on the coil.
Note, however, that if a voltage greater than or equal to the
maximum continuous voltage is impressed on the coil, the coil
may burn or its layers short due to the temperature rise.
Furthermore, do not exceed the usable ambient temperature
range listed in the catalog.
Continuous,long-term current to the coil will facilitate
deterioration of coil insulation and characteristics due to
heating of the coil itself. For circuits such as these, please use
a magnetic-hold type latching relay. If you need to use a single
stable relay, use a sealed type relay that is not easily affected
by ambient conditions and make a failsafe circuit design that
considers the possibility of contact failure or disconnection.
Operate voltage change due to coil temperature rise (hot start)
In DC relays, after continuous passage of current in the coil, if
the current is turned OF
F
,
t
hen immediately turned ON again,
due to the temperature rise in the coil, the operate voltage will
become somewhat higher. Also, it will be the same as using it
in a higher temperature atmosphere.
DC Coil operating power
The resistance/temperature relationship for copper wire is
about 0.4% for 1°C, and with this ratio the coil resistance
increases.
Steady state DC current should be applied to the coil.
The wave form should be rectangular. If it includes ripple, the
ripple factor should be less than 5%. However, please check
with the actual circuit since the electrical characteristics may
vary.
That is, in order to operate of the relay, it is necessary that the
voltage be higher than the operate voltage and the operate
voltage rises in accordance with the increase in the resistance
value.
The rated coil voltage should be applied to the coil and the
set/reset pulse time of latching type relay differs for each
relays, please refer to the relay’s individual specifications.
However, for some polarized relays, this rate of change is
considerably smaller.
Coil connection
When connecting coils of polarized relays, please check coil
polarity(+,-) at the internal connection diagram (Schematic).
If any wrong connection is made, it may cause unexpected
malfunction, like abnormal heat, fire and so on, and circuit do
not work.
Avoid impressing voltages to the set coil and reset coil at the
same time.
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GUIDELINES FOR SIGNAL RELAYS USAGE
NOTES
Condensation
Usage, Storage, and Transport Conditions
During usage, storage, or transportation, avoid locations
subject to direct sunlight and maintain normal temperature,
humidity, and pressure conditions.
Condensation occurs when the ambient temperature drops
suddenly from a high temperature and humidity, or the relay
and microwave device is suddenly transferred from a low
ambient temperature to a high temperature and humidity.
Condensation causes the failures like insulation deterioration,
wire disconnection and rust etc.
The allowable specifications for environments suitable for
usage, storage, and transportation are given below.
1) Temperature: The allowable temperature range differs for
each relay, so refer to the relay’s individual specifications.
In addition, when transporting or storing relays while they are
tube packaged, there are cases when the temperature may
differ from the allowable range. In this situation, be sure to
consult the individual specifications.
Panasonic Industry Co., Ltd. does not guarantee the failures
caused by condensation.
The heat conduction by the equipment may accelerate the
cooling of device itself, and the condensation may occur.
Please conduct product evaluations in the worst condition of
the actual usage. (Special attention should be paid when high
temperature heating parts are close to the device. Also please
consider the condensation may occur inside of the device.)
2) Humidity: 5 to 85% RH
The humidity range varies with the temperature.
Use within the range indicated in the graph.
(The allowable temperature depends on the relays.)
Icing
Humidity (％ RH)
Condensation or other moisture may freeze on relays when
the temperature become lower than 0°C.
This icing causes the sticking of movable portion, the operation
delay and the contact conduction failure etc.
Panasonic Industry Co., Ltd. does not guarantee the failures
caused by the icing.
85
Allowable range
Avoid icing
Avoid con-
when used at
temperatures
lower than 0
°
C
densation when
used at tem-
peratures higher
than 0
°
C
The heat conduction by the equipment may accelerate the
cooling of relay itself and the icing may occur.
Please conduct product evaluations in the worst condition of
the actual usage.
5
-40
0
85
Ambient temperature (℃)
Low temperature and low humidity
The plastic becomes brittle if the switch is exposed to a low
temperature, low humidity environment for long periods of
time.
3) Pressure: 86 to 106 kPa
High temperature and high humidity
Storage for extended periods of time (including transportation
periods) at high temperature or high humidity levels or in
atmospheres with organic gases or sulfide gases may cause a
sulfide film or oxide film to form on the surfaces of the contacts
and/or it may interfere with the functions.
Check out the atmosphere in which the units are to be stored
and transported.
Package
In terms of the packing format used, make every effort to keep
the effects of moisture, organic gases and sulfide gases to the
absolute minimum.
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GUIDELINES FOR SIGNAL RELAYS USAGE
Storage requirements
4
) The following cautionary label is affixed to the anti-humidity
Since the surface-mount terminal type is sensitive to humidity
it is packaged with tightly sealed anti-humidity packaging.
However, when storing, please be careful of the following.
1) Please use promptly once the anti-humidity pack is opened.
(within 72 hours, Max. 30°C / 70% RH).
pack.
If left with the pack open, the relay will absorb moisture which
will cause thermal stress when reflow mounting and thus
cause the case to expand. As a result, the seal may break.
2) If relays will not be used within 72 hours, please store relays
in a humidity controlled desiccator or in an anti-humidity bag
to which silica gel has been added.
* If the relay is to be soldered after it has been exposed to excessive humidity
atmosphere, cracks and leaks can occur.
Be sure to mount the relay under the required mounting conditions.
3) When relays (which is packaged with humidity indicator and
silica gel) meeting one of below criteria, please bake (dry)
before use.
Silicon
When a source of silicone substances (silicone rubber, silicone
oil,silicone coating materials and silicone filling materials
etc.) is used around the relay, the silicone gas (low molecular
siloxane etc.) may be produced
When the storage conditions specified in 1) are exceeded.
Ⅲ
Ⅳ
When humidity indicator is in
or status
according to
judgement standard.
This silicone gas may penetrate into the inside of the relay.
When the relay is kept and used in this condition, silicone
compound may adhere to the relay contacts which may cause
the contact failure.
<How to judge>
Please check humidity indicator color and decide if baking is
necessary or not.
: indicate brown,
: Other than brown (blueish color)
●
○
Do not use any sources of silicone gas around the relay
(Including plastic seal types).
Bake treatment
necessity judgment
5
%
10
%
60
%
NOx Generation
No need to bake
No need to bake
Need to bake
Ⅰ
Ⅱ
Ⅲ
Ⅳ
●
●
●
When relay is used in an atmosphere high in humidity to
switch a load which easily produces an arc, the NOx created
by the arc and the water absorbed from outside the relay
combine to produce nitric acid.
○
○
○
●
○
○
●
●
○
Need to bake
This corrodes the internal metal parts and adversely affects
operation.
Spot
Avoid use at an ambient humidity of 85% RH or higher (at
20°C).
If use at high humidity is unavoidable, please contact our sales
representative.
5%
10%
60%
Humidity indicator card
<Baking (Drying) conditions>
With reel : 45°C, 96 hours or more.
Without reel (including relay only) : 60°C, 35 hours or more.
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GUIDELINES FOR SIGNAL RELAYS USAGE
OTHERS
Cleaning
1) Although the environmentally sealed type relay (plastic sealed
type,etc.) can be cleaned, avoid immersing the relay into cold
liquid (such as cleaning solvent) immediately after soldering.
Doing so may deteriorate the sealing performance.
2) Surface-mount terminal type relay is sealed type and it can be
cleaned by immersion.
3) Cleaning with the boiling method is recommended (The
temperature of cleaning liquid should be 40°C or lower). Avoid
ultrasonic cleaning on relays.
Use of ultrasonic cleaning may cause breaks in the coil or
slight sticking of the contacts due to the ultrasonic energy.
Use pure water or alcohol-based cleaning solvent.
Please refer to
“the latest product specifications”
when designing your product.
•Requests to customers:
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
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1006, Oaza Kadoma, Kadoma-shi, Osaka 571-8506, Japan
industral.panasonic.com/ac/e/
Specifications are subject to change without notice.
2022.4
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ASCTB15E 202204
