PANASONIC-DK1A-L-3V-F

Part #PANASONIC-DK1A-L-3V-F
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PANASONIC-DK1A-L-3V-F
1a 10A, 1a1b/2a 8A small  
polarized power relays  
DK REL
A
Y
S  
FEATURES  
TYPICAL APPLICATIONS  
1. Compact with high capacity  
High capacity switching in a small  
package: 1 Form A, 10 A 250 V AC;  
1 Form A 1 Form B and 2 Form A, 8 A  
250 V AC.  
1. Switching power supply  
2. Power switching for various  
OA equipment  
3. Control or driving relays for  
industrial machines (robotics,  
numerical control machines, etc.)  
4. Output relays for programmable  
logic controllers, temperature  
controllers, timers and so on  
5. Home appliances  
2. High sensitivity: 200 mW nominal  
operating power  
3. High breakdown voltage  
Independent coil and the contact  
structure improves breakdown voltage.  
RoHS compliant  
Between contact  
Between open contacts  
and coil  
4,000 Vrms for 1 min.  
10,000 V surge  
breakdown voltage  
1,000 Vrms for 1 min.  
1,500 V surge  
breakdown voltage  
Protective construction: Sealed type  
Conforms with FCC Part 68  
4. Latching types available  
5. Sealed construction allows  
automatic washing  
6. Sockets are available  
7. Complies with safety standards  
Complies with Japan Electrical  
Appliance and Material Safety Law  
requirements for operating 200 V  
power supply circuits, and complies  
with UL, CSA, and TÜV safety  
standards.  
ORDERING INFORMATION  
DK  
Contact arrangement  
1a: 1
 
Form A  
2a: 2
 
Form A  
1a1b: 1 Form A 1 Form B  
Operating function  
Nil: Single side stable  
L2: 2 coil latching  
Nominal coil voltage (DC)  
3, 5, 6, 9, 12, 24V  
Contact material  
F: 1
 
Form A (Au-flashed AgSnO
2
type)  
Nil: 2 Form A, 1 FormA 1 Form B (Au-flashed AgNi type)  
Note: VDE approved type is available.  
ASCTB177E 201702-T  
–1–  

DK  
TYPES  
Single side stable  
Part No.  
2 coil latching  
Part No.  
Contact  
Nominal coil  
voltage  
arrangement  
3V DC  
5V DC  
6V DC  
9V DC  
12V DC  
24V DC  
3V DC  
5V DC  
6V DC  
9V DC  
12V DC  
24V DC  
3V DC  
5V DC  
6V DC  
9V DC  
12V DC  
24V DC  
DK1a-3V-F  
DK1a-5V-F  
DK1a-6V-F  
DK1a-9V-F  
DK1a-12V-F  
DK1a-24V-F  
DK1a1b-3V  
DK1a1b-5V  
DK1a1b-6V  
DK1a1b-9V  
DK1a1b-12V  
DK1a1b-24V  
DK2a-3V  
DK1a-L2-3V-F  
DK1a-L2-5V-F  
DK1a-L2-6V-F  
DK1a-L2-9V-F  
DK1a-L2-12V-F  
DK1a-L2-24V-F  
DK1a1b-L2-3V  
DK1a1b-L2-5V  
DK1a1b-L2-6V  
DK1a1b-L2-9V  
DK1a1b-L2-12V  
DK1a1b-L2-24V  
DK2a-L2-3V  
1 Form A  
1 Form A  
1 Form B  
DK2a-5V  
DK2a-L2-5V  
DK2a-6V  
DK2a-L2-6V  
2 Form A  
DK2a-9V  
DK2a-L2-9V  
DK2a-12V  
DK2a-24V  
DK2a-L2-12V  
DK2a-L2-24V  
Standard packing: Carton: 50 pcs.; Case: 500 pcs.  
* Sockets available.  
RATING  
1. Coil data  
1) Single side stable  
Nominal operating  
current  
[ 10%]
 
(at 20
°
C
68
°
F
)  
Nominal coil  
voltage  
Pick-up voltage  
(at 20
°
C
68
°
F
)  
Drop-out voltage  
(at 20
°
C
68
°
F
)  
Coil resistance  
[ 10%]
 
(at 20
°
C
68
°
F
)  
Nominal operating  
power  
Max. applied voltage  
(at 20
°
C
68
°
F
)  
3V DC  
5V DC  
6V DC  
9V DC  
12V DC  
24V DC  
66.6mA  
40mA  
45
Ω  
125
Ω  
180
Ω  
405
Ω  
720
Ω  
2,880
Ω  
70%V or less of  
nominal voltage  
(Initial)  
10%V or more of  
nominal voltage  
(Initial)  
33.3mA  
22.2mA  
16.6mA  
8.3mA  
130%V of  
nominal voltage  
200mW  
2) 2 coil latching  
Nominal operating  
current  
[ 10%]
 
(at 20
°
C
68
°
F
)  
Coil resistance  
[ 10%]
 
(at 20
°
C
68
°
F
)  
Nominal operating  
power  
Nominal coil  
voltage  
Set voltage  
(at 20
°
C
68
°
F
)  
Reset voltage  
(at 20
°
C
68
°
F
)  
Max. applied voltage  
(at 20
°
C
68
°
F
)  
Set coil  
66.6mA  
40mA  
Reset coil  
66.6mA  
40mA  
Set coil  
45
Ω  
Reset coil  
45
Ω  
125
Ω  
180
Ω  
405
Ω  
Set coil  
Reset coil  
3V DC  
5V DC  
6V DC  
9V DC  
12V DC  
24V DC  
125
Ω  
180
Ω  
405
Ω  
720
Ω  
2,880
Ω  
70%V or less of  
nominal voltage  
(Initial)  
70%V or less of  
nominal voltage  
(Initial)  
33.3mA  
22.2mA  
16.6mA  
8.3mA  
33.3mA  
22.2mA  
16.6mA  
8.3mA  
130%V of  
nominal voltage  
200mW  
200mW  
720
Ω  
2,880
Ω  
ASCTB177E 201702-T  
–2–  

DK  
2. Specifications  
Characteristics  
Item  
Specifications  
1 Form A 1 Form B  
Arrangement  
1 Form A  
2 Form A  
Contact  
Contact resistance (Initial)  
Max. 30 m
Ω
(By voltage drop 6 V DC 1A)  
Contact material  
Au-flashed AgSnO
2
type  
Au-flashed AgNi type  
Nominal switching capacity (resistive load)  
Max. switching power (resistive load)  
Max. switching voltage  
10 A 250 V AC, 10 A 30 V DC
 
8 A 250 V AC,8 A 30 V DC  
8 A 250 V AC,8 A 30 V DC  
2,000 VA, 240 W  
2,500VA, 300 W  
250 V AC, 125 V DC (0.2A)  
10 A  
2,000 VA, 240 W  
250 V AC, 125 V DC (0.2A)  
8 A  
Rating  
250 V AC, 125 V DC (0.2A)  
8 A  
Max. switching current  
Min. switching capacity (Reference value)*

1  

10m A 5 V DC  
Insulation resistance (Initial)  
Min. 1,000M
Ω
(at 500V DC) Measurement at same location as “Breakdown voltage” section.  
1,000 Vrms for 1min. (Detection current: 10mA.)  
Between open contacts  
Between contact and coil  
Breakdown voltage  
(Initial)  
4,000 Vrms for 1min. (Detection current: 10mA.)  
Surge breakdown  
voltage*

2

(Initial)  
Electrical  
characteristics  
between contacts and coil  
10,000 V  
Max. 10 ms (Approx. 5 ms) [10 ms (Approx. 5 ms)]  
(Nominal coil voltage applied to the coil, excluding contact bounce time.)  
Operate time [Set time] (at 20
°
C
68
°
F
)  
Release time [Reset time] (at 20
°
C
68
°
F
)  
Max. 8 ms (Approx. 3 ms) [10 ms (Approx. 3 ms)]  
(Nominal coil voltage applied to the coil, excluding contact bounce time.) (without diode)  
Functional  
Shock resistance  
Min. 98 m/s

2

(Half-wave pulse of sine wave: 11 ms; detection time: 10
μ
s.)  
Min. 980 m/s

2

(Half-wave pulse of sine wave: 6 ms.)  
10 to 55 Hz at double amplitude of 1.5 mm (Detection time: 10
μ
s.)  
10 to 55 Hz at double amplitude of 3 mm  
Destructive  
Mechanical  
characteristics  
Functional  
Vibration resistance  
Destructive  
Expected life  
Conditions  
Unit weight  
Mechanical  
Min. 5
×
10

7

(at 300 times/min.)  
Ambient temperature: –40
°
C to +65
°
C
–40
°
F to +149
°
F
,  
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)  
Conditions for operation, transport and storage*

3  

Approx. 5 g
.18 oz  
Approx. 6 g
.21 oz  
Approx. 6 g
.21 oz  
Notes: *1. This value can change due to the switching frequenc
y
,
e
nvironmental conditions, and desired reliability level, therefore it is recommended to check this with the  
actual load.  
*2. Wave is standard shock voltage of
 
1.2
×
50
μ
s according to JEC-212-1981  
*3. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage  
conditions in NOTES.  
3. Electrical life  
Condition: Resistive load, at 20 times/min.  
T
y
pe  
Switching capacity  
Number of operations  
10A 250V AC  
10A 30V DC  
1 Form A  
Min. 1
×
10

5  

8A 250V AC  
8A 30V DC  
1 Form A 1 Form B, 2 Form A  
Min. 1
×
10

5  

REFERENCE DATA  
1-(1). Maximum operating power (1 Form A)  
1-(2). Maximum operating power  
(1 Form A 1 Form B, 2 Form A)  
2-(1). Life curve (1 Form A)  
1,000  
100  
100  
AC resistive load  
10  
AC resistive load  
10  
5
100  
250 V AC resistive load  
30 V DC resistive load  
5
AC inductive load  
AC inductive load  
(cos
ϕ
= 0.4)  
(cos
ϕ
= 0.4)  
DC inductive
 
load  
(L/R = 7 ms)  
DC inductive
 
load  
(L/R = 7 ms)  
10  
1
1
1
250 V AC inductive load (cos
ϕ
= 0.4)  
DC resistive load  
30 V DC
 
inductive load (L/R = 7 ms)  
DC resistive load  
0.1  
0.1  
0
1
2
3
4
5
6
7
8
9
10  
10  
100  
Contact voltage, V  
1,000  
10  
100  
Contact voltage, V  
1,000  
Contact current, A  
ASCTB177E 201702-T  
–3–  

DK  
2-(2). Life curve  
(1 Form A 1 Form B, 2 Form A)  
3-(1). Operate/Release time (1 Form A)  
T
e
sted sample: DK1a-24
V
, 5
p
cs.  
3-(2). Operate/Release time  
(1 Form A 1 Form B, 2 Form A)  
T
e
sted sample: DK1a1b-12
V
, 5
p
cs.  
9
1,000  
100  
9
8
8
7
6
5
4
3
2
1
0
Release time  
(with diode)  
Operate time  
Max.  
x
Min.  
7
6
Max.  
x
5
4
3
2
1
0
Max.  
x
Min.  
Min.  
250 V AC resistive load  
Max.  
x
Operate time  
30 V DC resistive load  
Min.  
Max.  
x
Release time  
(with diode)  
10  
1
250 V AC inductive load (cos
ϕ
= 0.4)  
Min.  
Max.  
x
Min.  
30 V DC
 
inductive load (L/R = 7 ms)  
Release time  
Release time  
80  
90  
10  
110 120 130 140  
80  
90  
10  
110 120 130 140  
0
1
2
3
4
5
6
7
8
9
10  
Coil applied voltage,%V  
Coil applied voltage,%V  
Contact current, A  
4-(1). Coil temperature rise (1 Form A)  
T
e
sted sample: DK1a-12
V
, 5
p
cs.  
Ambient temperature: 30
°
C
86
°
F  
4-(2). Coil temperature rise  
(1 Form A 1 Form B, 2 Form A)  
T
e
sted sample: DK1a1b-12
V
, 5
p
cs.  
5-(1). Ambient temperature characteristics  
(1 Form A)  
T
e
sted sample: DK1a-24
V
, 6
p
cs  
Ambient temperature: 20
°
C
68
°
F  
Ambient temperature:  
–40
°
C to +80
°
C  
–40
°
F to +176
°
F  
130  
120  
Drop-out  
voltage  
50  
40  
50  
40  
30  
20  
10  
0
110  
100  
10A  
7A  
Pick-up  
voltage  
8 A  
5 A  
0 A  
5A  
30  
20  
10  
0
0A  
-40  
-20  
0
20 40  
Ambient  
temperature,
°
C  
60  
80  
90  
80  
70  
80 90
 
100 110 120 130  
Coil applied voltage,%V  
80 90
 
100 110 120 130  
Coil applied voltage,%V  
5-(2). Ambient temperature characteristics  
(1 Form A 1 Form B, 2 Form A)  
Pick-up  
voltage  
130  
120  
110  
100  
–40 –20  
0
40 60 80  
Ambient  
temperature,
°
C  
20  
90  
80  
70  
Drop-out  
voltage  
ASCTB177E 201702-T  
–4–  

DK  
The CAD data of the products with a
 
CAD Data
 

DIMENSIONS
(mm
inch
)  
1. 1 Form A type  
External dimensions  
Single side stable type  
PC board pattern (Bottom view)  
Single side stable type  
Schematic  
(Bottom view)  
CAD Data  
Single side stable type  
20  
.787  
12.5  
.492  
2-0.9 dia.  
2-.035 dia.  
2-1.1 dia.  
10.16  
.400  
7.62  
.300  
2-.043 dia.  
1
3
4
–
9.7  
.382  
10.16  
.400  
+
6
3.5  
.138  
0.4  
0.3  
.016  
.012  
0.4  
(Deenergized condition)  
0.8  
0.8  
.016  
.031  
.031  
1.2  
.047  
1.11  
.044  
10.16  
.400  
7.62  
.300  
10.16  
.400  
2 coil latching type  
2 coil latching type  
2 coil latching type  
20  
12.5  
.492  
3-0.9 dia.  
10.16  
2-1.1 dia.  
7.62  
.300  
1
–
3
4
.787  
3-.035 dia.  
.400  
2-.043 dia.  
+
6
+
5
9.7  
.382  
10.16  
.400  
(Reset condition)  
3.5  
.138  
0.4  
0.3  
.016  
.012  
0.4  
0.5  
0.8  
0.8  
.016  
.020  
.031  
.031  
1.2  
.047  
1.11  
.044  
2.54  
.100  
7.62  
.300  
7.62  
.300  
10.16  
.400  
Since this is a polarized rela
y
,  
the connection to the coil  
should be done according to  
the above schematic.  
General tolerance:
 
0.3
.012  
T
o
lerance: 0.1
.004  
2. 1 Form A 1 Form B type, 2 Form A type  
External dimensions  
PC board pattern (Bottom view)  
Single side stable type  
Schematic  
(Bottom view)  
CAD Data  
Single side stable type  
<1 Form A 1 Form B type>  
Single side stable type  
2-0.9 dia.  
2-.035 dia.  
4-1.1 dia.  
20  
15  
10.16  
.400  
7.62  
.300  
4-.043 dia.  
.787  
.591  
9.7  
1
–
3
4
.382  
10.16  
.400  
3.5  
.138  
+
8
0.3  
0.8  
0.8  
.012  
.031  
.031  
0.4  
.016  
6
5
0.4  
2.42  
.095  
10.16  
.400  
7.62  
.300  
1.11  
.044  
10.16  
.400  
.016  
(Deenergized condition)  
2 coil latching type  
2 coil latching type  
2 coil latching type  
1
–
3
4
20  
15  
3-0.9 dia.  
10.16  
4-1.1 dia.  
7.62  
.300  
.787  
.591  
3-.035 dia.  
.400  
4-.043 dia.  
+
8
+
7
9.7  
.382  
6
5
10.16  
.400  
0.3  
.012  
(Reset condition)  
3.5  
.138  
0.4  
0.8  
0.8  
0.4  
<2 Form A>  
Single side stable type  
0.4  
.016  
.016  
.031  
.031  
.016  
2.42  
.095  
1.11  
2.54  
7.62  
.300  
7.62  
.300  
10.16  
.400  
.044  
.100  
1
3
4
–
General tolerance:
 
0.3
.012  
T
o
lerance: 0.1
.004  
+
8
6
5
(Deenergized condition)  
2 coil latching type  
1
3
4
–
+
8
+
7
6
5
(Reset condition)  
Since this is a polarized rela
y
,  
the connection to the coil  
should be done according to  
the above schematic.  
ASCTB177E 201702-T  
–5–  

DK  
SAFETY STANDARDS  
UL/C-UL (Recognized)  
Rating  
10A 250V AC  
CSA (Certified)  
Rating  
TÜV (Certified)  
Rating  
T
y
pe  
File No.  
File No.  
File No.  
10A 250V AC  
10A 250V AC (cos
φ
=1.0)  
10A 30V DC (0ms)  
B 12 06  
13461 329  
1 Form A  
E43028  
10A 30V DC  
LR26550  
10A 30V DC  
1/3HP 125, 250V AC  
8A 250V AC  
1/3HP 125, 250V AC  
8A 250V AC  
5A 250V AC (cos
φ
=0.4)  
8A 250V AC (cos
φ
=1.0)  
8A 30V DC (0ms)  
1 Form A 1 Form B,  
2 Form A  
B 12 06  
13461 329  
E43028  
8A 30V DC  
LR26550  
8A 30V DC  
1/4HP 125, 250V AC  
1/4HP 125, 250V AC  
4A 250V AC (cos
φ
=0.4)  
Notes: VDE approved type is available. Please contact our compan
y
.  
INSULATION CHARACTERISTICS (IEC61810-1)  
Item  
Clearance/Creepage distance (IEC61810-1)  
Category of protection (IEC61810-1)  
T
r
acking resistance (IEC60112)  
Insulation material group  
Characteristics  
Min. 5.5/5.5mm  
RT III  
PTI 175  
III a  
Over voltage category  
III  
Rated voltage  
250V  
2
Pollution degree  
T
y
pe of insulation (Between contact and coil)  
T
y
pe of insulation (Between open contacts)  
Reinforced insulation  
Micro disconnection  
Notes: 1. EN/IEC VDE Certified.  
2. VDE approved type onl
y
.  
NOTES  
1. For cautions for use, please read  
“GENERAL APPLICATION  
GUIDELINES”.  
3. External magnetic field  
4. When using, please be aware that  
the a contact and b contact sides of  
1 Form A 1 Form B type may go on  
simultaneously at operate time and  
release time.  
Since DK relays are highly sensitive  
polarized relays, their characteristics will  
be affected by a strong external magnetic  
field. Avoid using the relay under that  
condition.  
2. Soldering should be done under the  
following conditions:  
1) Preheating: Within 120
°
C
248
°
F
and  
within 120 seconds  
2) Soldering iron: 260
°
C 5
°
C  
500
°
F 41
°
F
and within 6 seconds  
ASCTB177E 201702-T  
–6–  

DK REL
A
Y  
PC BOARD SOCKETS  
ACCESSORIES  
TYPES  
T
y
pe  
Part No.  
DK1a-PS  
Single side stable  
2 coil latching  
1 Form A  
DK1a-PSL2  
DK2a-PS  
Single side stable  
2 coil latching  
1 Form A 1 Form B,  
2 Form A  
DK2a-PSL2  
Standard packing: Carton: 50 pcs.; Case: 500 pcs  
RoHS compliant  
REL
A
Y
C
OM
P
A
T
IBILITY  
SPECIFICATIONS  
1 Form A  
Single side  
1 Form A 1 Form B, 2 Form A  
Item  
Specifications  
Socket  
2 coil  
Single side  
stable type  
2 coil  
latching type  
4,000 Vrms  
Relay  
stable type  
latching type  
Breakdown  
voltage (Initial)  
(Detection current: 10 mA)  
(Except the portion between  
coil terminals)  
Single side stable type  
1 Form A  
ꢀ
—
—
—
ꢀ
ꢀ
—
—
—
—
ꢀ
—
—
—
ꢀ
ꢀ
2 coil latching type  
Insulation  
resistance (Initial)  
Min. 1,000 m
Ω
(at 500 V DC)  
150
°
C (for 1 hour)  
Single side stable type  
2 coil latching type  
1 Form A 1 Form B,  
2 Form A  
Heat resistance  
Max. continuous  
current  
10 A (DK1a-PS, DK1a-PSL2),  
8 A (DK2a-PS, DK2a-PSL2)  
The CAD data of the products with a
 
CAD Data
 

DIMENSIONS
(mm
inch
)  
CAD Data  
External dimensions  
PC board pattern (Bottom view)  
1 Form A  
1 Form A 1 Form B, 2 Form A  
15 0.6  
.591 .024  
1.2 dia.  
1.2 dia.  
1
6
2
5
3
4
1
8
2
7
3
6
4
5
.047 dia.  
.047 dia.  
23 0.6  
.906 .024  
2.54  
.100  
2.54  
.100  
17 0.6  
.669 .024  
2.54  
.100  
2.54  
.100  
13.7 0.6  
.539 .024  
6 0.3  
.236 .012  
T
o
lerance: 0.1
.004  
0.3 0.1  
0.8  
0.25  
.010  
10.16 0.3  
.400 .012  
.012 .004  
3.4 0.3  
.134 .012  
.031  
2.54 0.1  
.100 .004  
Note: The above shows 2 coil latching type.  
No.2 and 5 terminal are eliminated on single  
side stable type.  
Note: The above shows 2 coil latching type.  
No.2 and 7 terminal are eliminated on single  
side stable type.  
7.62 0.3 7.62 0.3  
.300 .01
2
.
300 .012  
General tolerance:
 
0.3
.012  
FIXING AND REMOVAL METHOD  
1. Match the direction of relay and socket.  
3. Remove the rela
y
,
a
pplying force in the  
direction shown below.  
4. In case there is not enough space to  
grasp relay with fingers, use screwdrivers  
in the way shown below.  
2. Both ends of the relay are to be  
secured firmly so that the socket hooks  
on the top surface of the rela
y
.  
Notes: 1. Exercise care when removing relays. If  
greater than necessary force is applied at  
the socket hooks, deformation may alter the  
dimensions so that the hook will no longer  
catch, and other damage may also occur.  
2. It is hazardous to use IC chip sockets.  
GOOD  
NO GOOD  
ASCTB265E 201702-T  
–1–