Technical Data
Data Sheet N2146, Rev. -
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SM8T20A
THRU
SM8T43A
SM8T20A THRU SM8T43A TRANSIENT VOLTAGE SUPPRESSOR
Features
Circuit Diagram
Mechanical Data
Maximum Ratings and Thermal Characteristics
@T
A
=25°C unless otherwise specified
Parameter
Symbol
Value
Unit
Peak pulse power dissipation on 10/1000 μs waveform
P
PPM
8000
W
Peak pulse power dissipation on 10/10000 μs waveform
6000
W
Power dissipation on infinite heat sink at T
C
= 25°C
P
D
8.5
W
Peak forward surge current 8.3 ms single half sine-wave
I
FSM
750
A
Typical thermal resistance, junction to case
R
θJC
0.9
°C/W
Operating Junction and Storage
Temperature Range
T
J
,T
STG
-55 to 175
°C
Case: DO-218AB
Molding compound meets UL 94V-0 flammability rating
Base P/NHE3-RoHS-compliant, AEC-Q101 qualified
Terminals: Matte tin plated leads, solderable
per J-STD-002 and JESD22-B102
Junction passivation optimized design passivated
anisotropic rectifier technology
T
J
= 175℃ capability suitable for high reliability and
automotive requirement.
Available in uni-directional polarity only
Low leakage current
Low forward voltage drop
High surge capability
AEC-Q101 qualified.
DO-218AB
Technical Data
Data Sheet N2146, Rev. -
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SM8T20A
THRU
SM8T43A
Electrical Characteristics
@T
A
=25°C unless otherwise specified
DEVICE
TYPE
REVERSE
STAND-OFF
VOLTAGE
V
RWM
(V)
BREAKDOWN
VOLTAGE
V
BR
(V)
@I
T
TEST
CURRENT
I
T
CLAMPING
VOLTAGE
V
C
@I
PP
PEAK PULSE
CURRENT AT
10/1000μs
WAVEFORM
I
PP
REVERSE LEAKAGE
CURRENT
I
R
MIN.
MAX.
MA
V
A
μA@25°C
μA@175°C
SM8T20A
20
22.2
24.5
5
32.4
247
5
150
SM8T22A
22
24.4
26.9
5
35.5
225
5
150
SM8T24A
24
26.7
29.5
5
38.9
205
5
150
SM8T26A
26
28.9
31.9
5
42.1
190
5
150
SM8T28A
28
31.1
34.4
5
45.4
176
5
150
SM8T30A
30
33.3
36.8
5
48.4
165
5
150
SM8T32A
32
35.5
39.4
5
51.4
156
5
150
SM8T33A
33
36.7
40.6
5
53.3
150
5
150
SM8T36A
36
40.0
44.2
5
58.1
138
5
150
SM8T40A
40
44.4
49.1
5
64.5
124
5
150
SM8T43A
43
47.8
52.8
5
69.4
115
5
150
Mechanical Dimensions DO-218AB(Inches/Millimeters)
SYMBOL
Millimeters
Inches
Min.
Max.
Min.
Max.
A
9.5
10.5
0.374
0.413
B
8.3
8.7
0.327
0.342
C
13.3
13.7
0.524
0.539
D
15.0
16.0
0.592
0.628
E
8.5
9.1
0.335
0.358
F
9.5
10.1
0.374
0.398
G
2.4
3.0
0.094
0.118
H
0.5
0.7
0.020
0.028
J
2.7
3.7
0.106
0.146
K
1.9
2.1
0.075
0.083
L
4.7
5.1
0.185
0.201
M
14.2
14.8
0.559
0.583
N
3.5
4.1
0.138
0.161
P
1.6
2.2
0.063
0.087