STMicroelectronics-T850H-6T
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T835H, T850H
High temperature 8 A Snubberless™ Triacs
Datasheet – production data
Applications
A2
A1
Especially designed to operate in high power
density or universal motor applications such as
vacuum cleaner and washing machine drum
motor, these 8 A Triacs provide a very high
switching capability up to 150 °C junction
temperatures.
G
A2
The heatsink can be reduced, compared to
traditional Triac, according to the high
performance at given junction temperatures.
G
G
A2
A1
A2
A1
Description
Available in through-hole or surface mount
packages, these Triacs series are suitable for
general purpose mains power ac switching.
TO-220AB
TO-220AB Ins.
A2
By using an internal ceramic pad, they provide
voltage insulation (rated at 2500 V
RMS
).
G
A2
A1
Table 1: Device summary
D²PAK
Symbol
I
T(RMS)
Value
8
Unit
A
V
DRM
/V
RRM
I
GT
600
V
Features
35 or 50
mA
Medium current Triac
150 °C max. T
j
turn-off commutation
Low thermal resistance with clip bonding
Very high 3 quadrant commutation capability
Packages are RoHS (2002/95/EC) compliant
UL certified (ref. file E81734)
February 2018
DocID13564 Rev 4
1/13
This is information on a product in full production.
Characteristics
T835H, T850H
1
Characteristics
Table 2: Absolute ratings (limiting values)
Symbol
Parameter
Value
Unit
D²PAK,
T
C
= 133 °C
RMS on-state current
(full sine wave)
TO-220AB
TO-220A Ins.
f = 50 Hz
I
T(RMS)
8
A
T
C
= 116 °C
t
p
= 20 ms
Non repetitive surge peak
on-state current
(full cycle, T
j
initial = 25 °C)
80
84
42
I
TSM
I²t
A
f = 60 Hz
t
p
= 16.7 ms
t
p
= 10 ms
I²t value for fusing
A²s
A/µs
Critical rate of rise of
on-state current
I
G
= 2 x I
GT
, t
r
≤ 100 ns
f = 50 Hz
dl/dt
T
j
= 150 °C
T
j
= 25 °C
50
V
DSM
V
RSM
/
Non repetitive surge peak
off-state voltage
V
DRM
/V
RRM
+ 100
t
p
= 10 ms
t
p
= 20 µs
V
I
GM
Peak forward gate current
T
j
= 150 °C
T
j
= 150 °C
4
A
P
G(AV)
T
stg
T
j
Average gate power dissipation
Storage junction temperature range
Operating junction temperature range
1
W
°C
°C
-40 to +150
-40 to +150
Table 3: Electrical characteristics (T
j
= 25 °C unless otherwise specified)
Value
Unit
Symbol
Test Conditions
Quadrant
T835H
T850H
50
35
mA
mA
V
V
D
= 12 V, R
L
= 33 Ω
I – II – III
I – II – III
Max.
V
GT
V
GD
1.0
V
D
= V
DRM
, R
L
= 3.3 kΩ
Min.
0.15
I
T
= 500 mA
Max.
35
50
75
60
mA
I – III
II
I
L
I
G
= 1.2 x I
GT
Max.
mA
80
110
1500
14
V
D
= 2/3 x V
DRM
, gate open
Without snubber
T
j
= 150 °C
T
j
= 150 °C
Min.
Min.
1000
11
V/µs
A/ms
Notes:
(1)
minimum I
GT
is guaranted at 20% of I
GT
max.
(2)
for both polarities of A2 referenced to A1.
2/13
DocID13564 Rev 4
T835H, T850H
Characteristics
Table 4: Static characteristics
Test conditions
Symbol
Value
Unit
V
Max.
Max.
Max.
I
TM
= 11 A, t
p
= 380 μs
T
j
= 25 °C
T
j
= 150 °C
T
j
= 150 °C
T
j
= 25 °C
1.5
0.80
52
Threshold voltage
Dynamic resistance
V
mΩ
µA
Max.
Max.
Max.
Max.
5
V
DRM
= V
RRM
T
j
= 150 °C
T
j
= 150 °C
T
j
= 150 °C
3.1
2.5
2.0
I
DRM
/ I
RRM
V
D
/V
R
= 400 V (at peak mains voltage)
V
D
/V
R
= 200 V (at peak mains voltage)
mA
Notes:
(1)
for both polarities of A2 referenced to A1
Table 5: Thermal parameters
Parameter
Symbol
Value
1.85
3.7
Unit
D²PAK, TO-220AB
TO-220AB Ins.
R
th(j-c)
Junction to case (AC)
°C/W
Junction to ambient (S
cu
= 1 cm
2
, D²PAK)
Junction to ambient
D²PAK
45
R
th(j-a)
TO-220AB, TO-220AB Ins.
60
DocID13564 Rev 4
3/13
Characteristics
T835H, T850H
1.1
Characteristics (curves)
Figure 2: On-state RMS current versus case
temperature (full cycle)
Figure 1: Maximum power dissipation versus on-
state RMS current (full cycle)
I
(A)
P(W)
10
T(RMS)
9
8
7
6
5
4
3
2
1
0
TO-220AB/D²
P
A
K
α
=180 °
9
TO-220AB
Insulated
8
7
6
5
4
3
2
180°
α
=180 °
1
T
C
(°C)
I
T(RMS)
(A)
0
0
25
50
75
100
125
150
0
1
2
3
4
5
6
7
8
Figure 3: On-state RMS current versus ambient
temperature
Figure 4: Variation of thermal impedance versus
pulse duration
Z
(°C/W)
I
(A)
T(RMS)
th
1,0E+00
1,0E-01
1,0E-02
1,0E-03
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
α
=180 °
D²
P
A
K
S
CU
=1 cm²
Epoxy printed circuit board FR4,
copper thickness = 35 µm
Z
th(j-c)
Z
th(j-a)
t
P
(s)
1,0E-02 1,0E-01 1,0E+00
1,0E+01 1,0E+02 1,0E+03
T
am
b
(°C)
0
25
50
75
100
125
150
1,0E-03
Figure 5: On-state characteristics (maximum
values)
Figure 6: Surge peak on-state current versus
number of cycles
I
(A)
I
(A)
TM
TSM
90
80
70
60
50
40
30
20
10
0
100
t=20ms
Non repetitive
T
j
initial = 2
5
°
C
One cycle
T
j
= 150 °C
10
Repetitive
T
c
=116 °C
T
j
= 25°C
T
j
max. :
V
t0
= 0.80 V
R
d
= 52 m
Ω
Number of cycles
V
TM
(V)
2.0 2.5
1
1
10
100
1000
0.0
0.5
1.0
1.5
3.0
3.5
4.0
4.5
4/13
DocID13564 Rev 4
T835H, T850H
Characteristics
Figure 7: Non-repetitive surge peak on-state
Figure 8: Relative variation of I
GT
,I
H
, I
L
vs junction
temperature (typical values)
current for a sinusoidal pulse
Figure 9: Relative variation of critical rate of
decrease of main current (dI/dt)c versus reapplied
(dV/dt)c
Figure 10: Relative variation of critical rate of
decrease of main current versus junction
temperature
(dl/dt)c[(T ] / (dl/dt)c [T
= 150 °C]
(dl/dt)c[(dV/dt)c] / specified (dl/dt)c
2.0
j
j
8
7
6
5
4
3
2
1
0
typical values
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
T
j
(°C)
(dV/dt
)
C
(V/µs)
0.0
0.1
1.0
10.0
100.0
25
50
75
100
125
150
Figure 12: Variation of thermal resistance junction
to ambient versus copper surface under tab
Figure 11: Leakage current versus junction
temperature for different values of blocking
voltage (typical values)
R
th(j-a)
(°C/W)
80
D²PAK
70
60
50
40
30
20
10
S
CU
(cm²)
0
0
5
10
15
20
25
30
35
40
DocID13564 Rev 4
5/13
Package
information
T835H, T850H
2
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
ECOPACK
®
is an ST trademark.
Epoxy meets UL94, V0
Lead-free package leads
Cooling method: by conduction (C)
2.1
D²PAK package information
Figure 13: D²PAK package outline
6/13
DocID13564 Rev 4
T835H, T850H
Package
information
Table 6: D²PAK package mechanical data
Dimensions
Ref.
Millimeters
Min.
4.30
2.49
0.03
Typ.
Max.
4.60
2.69
0.23
Min.
Typ.
Max.
A
A1
A2
A3
b
0.1693
0.0980
0.0012
0.1811
0.1059
0.0091
0.0098
0.25
0.70
1.25
0.45
1.21
8.95
7.50
1.30
2.54
10.00
8.30
6.85
4.88
15
0.93
1.7
0.0276
0.0492
0.0177
0.0476
0.3524
0.2953
0.0512
0.1
0.0366
0.0669
0.0236
0.0535
0.3681
0.3150
0.0669
b2
c
0.60
1.36
9.35
8.00
1.70
c2
D
D1
D2
e
E
10.28
8.70
7.25
5.28
15.85
2.28
1.40
1.75
0.3937
0.3268
0.2697
0.1921
0.5906
0.0701
0.0500
0.0551
0.4047
0.3425
0.2854
0.2079
0.6240
0.0898
0.0551
0.0689
E1
E2
G
H
L
1.78
1.27
1.40
L2
L3
R
0.0157
0.40
V2
0°
8°
0°
8°
Notes:
(1)
Dimensions in inches are given for reference only
DocID13564 Rev 4
7/13
Package
information
T835H, T850H
Figure 14: D²PAK recommended footprint (dimensions are in mm)
8/13
DocID13564 Rev 4
T835H, T850H
Package
information
2.2
TO-220AB Insulated package information
Figure 15: TO-220AB Insulated package outline
DocID13564 Rev 4
9/13
Package
information
T835H, T850H
Table 7: TO-220AB Insulated package mechanical data
Dimensions
Ref.
Millimeters
Typ.
Min.
Max.
Min.
Typ.
Max.
A
a1
a2
B
15.20
15.90
0.5984
0.6260
3.75
0.1476
13.00
10.00
0.61
1.23
4.40
0.49
2.40
2.40
6.20
3.73
2.65
1.14
1.14
15.80
14.00
10.40
0.88
1.32
4.60
0.70
2.72
2.70
6.60
3.88
2.95
1.70
1.70
16.80
0.5118
0.3937
0.0240
0.0484
0.1732
0.0193
0.0945
0.0945
0.2441
0.1469
0.1043
0.0449
0.0449
0.6220
0.5512
0.4094
0.0346
0.0520
0.1811
0.0276
0.1071
0.1063
0.2598
0.1528
0.1161
0.0669
0.0669
0.6614
b1
b2
C
c1
c2
e
F
I
L
I2
I3
I4
M
16.40
2.6
0.6457
0.1024
Notes:
(1)
Inch dimensions are for reference only.
10/13
DocID13564 Rev 4
T835H, T850H
Ordering
information
3
Ordering information
Figure 16: Ordering information scheme
T
8
xx H
– 6
y -TR
Triac series
Current
8 = 8 A
Sensitivity
35 = 35 mA
50 = 50 mA
High temperature
V
o
ltage
6 = 600 V
Package
G = D²PAK
T = TO-220AB
I = TO-220AB Ins
Packing
Blank =
T
u
be (D²PAK, TO-220AB)
-TR =
T
a
pe and reel (D²PAK)
Table 8: Ordering information
Order code
T8xxH-6G
T8xxH-6G-TR
T8xxH-6T
Marking
T8xxH 6G
T8xxH 6G
T8xxH 6T
T8xxH 6I
Package
D²PAK
Weight
1.5 g
Base qty.
50
Delivery mode
Tube
D²PAK
1.5 g
1000
50
Tape and reel
Tube
TO-220AB
TO-220AB Ins.
2.3 g
T8xxH-6I
2.3 g
50
Tube
DocID13564 Rev 4
11/13
Revision
history
T835H, T850H
4
Revision history
Table 9: Document revision history
Changes
Date
Revision
17-Apr-2007
19-Sep-2011
1
2
First issue.
Updated:
Features
,
Description
,
Figure 2
,
Table 2
and
4
.
Minor text changes.
30-Mar-2017
07-Feb-2018
3
4
12/13
DocID13564 Rev 4
T835H, T850H
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–
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DocID13564 Rev 4
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