SM8S Series
Transient Voltage Suppressors
SM8SxxA
ROHS
DESCRIPTION:
SM8S Series TVS diodes can be used in sensitive electronics
protection against voltage transients induced by inductive load
switching and lighting, especially for automotive load dump
protection application.
FEATURES:
Available in uni/bi-directional polarity.
Low forward voltage drop & Low leakage current.
High surge capability.
DO-218AB
Junction passivation optimized design passivated anisotropic rectifier technology.
T
J
= 175
℃
capability suitable for high reliability and automotive requirement.
Meets ISO7637-2 surge specification (varied by test condition).
Meets MSL level 1, per J-STD-020, LF maximum peak of 245℃.
AEC-Q101 qualified.
Compliant to ROHS Directive 2002/95/EC and in accordance to WEEE 2002/96/EC
ABSOLUTE MAXIMUM RATINGS
(T
C
=25ºC, RH=45%-75%,
unless otherwise noted)
Parameter
Peak pulse power dissipation on 10/1000us waveform
Peak pulse power dissipation on 10/10000us waveform
Peak pulse current with 10/1000us waveform
Power dissipation on infinite heat Sink at T
C
=25℃
Peak forward surge current, 8.3ms single half sine-wave
Operating Junction and Storage Temperature Range
Typical thermal resistance, junction to case
Symbol
P
pp
I
pp
P
D
I
FSM
T
J
,T
STG
R
θJC
Value
6600
5200
See next table
8.0
700
-55 to +150
0.9
Unit
Watts
Watts
Amps
Watts
Amps
℃
℃/Watt
1/5
SM8S Series
Transient Voltage Suppressors
SM8SxxA
ROHS
ELECTRICAL CHARACTERISTICS
Part
Uni-polar
SM8S10A
SM8S11A
SM8S12A
SM8S13A
SM8S14A
SM8S15A
SM8S16A
SM8S17A
SM8S18A
SM8S20A
SM8S22A
SM8S24A
SM8S26A
SM8S28A
SM8S30A
SM8S32A
SM8S33A
SM8S36A
SM8S40A
SM8S43A
Number
Bi-polar
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
V
R
V
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
32.0
33.0
36.0
40.0
43.0
μA@25
°C
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
I
R
@V
R
μA@175
°C
250
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
V
BR
@ I
T
min(V)
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20.0
22.2
24.4
26.7
28.9
31.1
33.3
35.5
36.7
40.0
44.4
47.8
max (V)
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
34.4
36.8
39.4
40.6
44.2
49.1
52.8
I
T
mA
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Vc @I
pp
V
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
51.4
53.3
58.1
64.5
69.4
Ipp
A
388
363
332
307
284
270
253
239
226
204
186
170
157
145
136
128.5
124
114
102
95.1
Note:
①.
For all types maximum VF = 1.8 V at IF = 100 A measured on 8.3 ms single half sine-wave or
equivalent square wave, duty cycle = 4 pulses per minute maximum。
②.
Surge waveform: 10/1000μs
V
R
:Stand-off
Voltage -- Maximum voltage that can be applied V
BR
:
Breakdown Voltage
V
C
:
Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ipp
I
R
:
Reverse Leakage Current
I
T
:
Test current
2/5
SM8S Series
Transient Voltage Suppressors
SM8SxxA
ROHS
Mechanical Data
CASE:
DO-218AB Molding compound meets UL 94V-0 flammability rating Base
P/NHE3-ROHS-compliant, AEC-Q101 qualified.
Terminals:
Matte tin plated leads, solder able per J-STD-002 and JESD 22-B102,
HE3 suffix meets JESD 201 class 2 whisker tests.
ORDERING INFORMATION
RATINGS AND CHARACTERISTICS CURVES
(T
A
=25ºC,
unless otherwise noted)
Fig.1 Power Derating Curve
Fig.2 Pulse Waveform
Fig.3 Load Dump Power Characteristics
(10 ms Exponential Waveform)
Fig.4 Reverse Power Capability
3/5
SM8S Series
Transient Voltage Suppressors
SM8SxxA
ROHS
Fig.5 Typical Transient Thermal Impedance
Fig.6 Typical Junction Capacitance
MARKING
SM8S36A:Part
Number
5201:“5”--2015
(year)
“2”--2
“01”--
(month)
(lot)
SOLDERING PARAMETERS
Reflow Condition
-Temperature Min (T
s(min)
)
Pre
Heat
-Temperature Max(T
s(max)
)
-Time (Min to Max) (ts)
Average ramp up rate (Liquid us Temp
(T
L
) to peak)
T
s(max)
to T
L
- Ramp-up Rate
Reflow
-Temperature(T
L
)(Liquid us)
-Temperature(t
L
)
Peak Temp (T
p
)
Time within 5℃ of actual Peak Temp (t
p
)
Ramp-down Rate
Time 25℃ to Peak Temp (T
P
)
Do not exceed
Pb-Free assembly
(see FIG.5)
+150℃
+200℃
60-180 secs.
3℃/sec. Max
3℃/sec. Max
+217℃
60-150 secs.
+260(+0/-5)℃
30 secs. Max
6℃/sec. Max
8 min. Max
+260℃
Temperature
FIG.5:
Reflow condition
tp
T
P
Ramp-up
T
L
T
S(max)
Ramp-down
Preheat
T
S(min)
t
s
25
Critical Zone
T
L
to T
P
t
L
time to peak temperatue
(t 25℃ to peak)
Time
4/5
SM8S Series
Transient Voltage Suppressors
SM8SxxA
ROHS
PACKAGE MECHANICAL DATA
Inches
Dimension
A
B
C
D
E
F
G
H
J
K
L
Min
0.374
0.327
0.524
0.592
0.335
0.374
0.094
0.020
0.106
0.075
0.185
Max
0.413
0.342
0.539
0.628
0.358
0.398
0.118
0.028
0.146
0.083
0.201
Millimeters
Min
9.5
8.3
13.3
15.0
8.5
9.5
2.4
0.5
2.7
1.9
4.7
Max
10.5
8.7
13.7
16.0
9.1
10.1
3.0
0.7
3.7
2.1
5.1
5/5