Features
Applications
nꢀ MaximumꢀPeakꢀPowerꢀDissipation:ꢀꢀ
nꢀ Highꢀpeakꢀpowerꢀapplicationsꢀ(upꢀtoꢀratedꢀꢀ
ꢀ
6600ꢀwatts
ꢀ limits)
nꢀꢀMeetsꢀISO7637-2ꢀ/ꢀISO16750-2ꢀSurgeꢀꢀ
nꢀꢀHighꢀtemperatureꢀapplicationsꢀ(upꢀtoꢀratedꢀ
ꢀ limits)
203
ꢀ
specificationꢀ(variesꢀbyꢀtestꢀcondition)
nꢀ RoHSꢀcompliant*
nꢀ Clampingꢀdiode
nꢀ AEC-Q101ꢀcompliant**
nꢀ Loadꢀswitchingꢀandꢀlighting
SM8S-Q Transient Voltage Suppressor Diode Series
General Information
Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection applications, in compact chip package DO-218 size format.
The Transient Voltage Suppressor series offers a choice of Working Peak Reverse Voltage from 16 V up to 43 V. Typical fast response times
are less than 1.0 picosecond from 0 V to Breakdown Voltage.
Absolute Maximum Ratings (@ T = 25 °C Unless Otherwise Noted)
A
Parameter
Symbol
Value
6600
Unit
W
Maximum Peak Pulse Power Dissipation (10/1000 µs)
Maximum Peak Pulse Power Dissipation (10/10000 µs)
P
P
PK
PK
5200
W
Power Dissipation with Infinite Heatsink (T = 25 °C)
P
8
W
c
D
Operating Temperature Range
Storage Temperature Range
T
-55 to +175
-55 to +175
°C
°C
J
T
STG
Electrical Characteristics (@ T = 25 °C Unless Otherwise Noted)
A
Working
Peak
Reverse
Voltage
Maximum
Reverse
Leakage
Maximum
Reverse
Voltage
Maximum
Reverse
Surge
Breakdown Voltage
Unidirectional Device
Bidirectional Device
V
(Volts)
BR
@ V
@ I
Current
RWM
RSM
Part No.
Part No.
Min. Max. @ I (mA)
V
(V)
I
(μA)
V
(V)
I
(A)
T
RWM
R
RSM
RSM
SM8S16A
SM8S17A
SM8S18A
SM8S20A
SM8S22A
SM8S24A
SM8S26A
SM8S28A
SM8S30A
SM8S33A
SM8S36A
SM8S40A
SM8S43A
SM8S16CA
SM8S17CA
SM8S18CA
SM8S20CA
SM8S22CA
SM8S24CA
SM8S26CA
SM8S28CA
SM8S30CA
SM8S33CA
SM8S36CA
SM8S40CA
SM8S43CA
17.80 19.70
18.90 20.90
20.00 22.10
22.20 24.50
24.40 26.90
26.70 29.50
28.90 31.90
31.10 34.40
33.30 36.80
36.70 40.60
40.00 44.20
44.40 49.10
47.80 52.80
5
5
5
5
5
5
5
5
5
5
5
5
5
16.0
17.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
33.0
36.0
40.0
43.0
10
10
10
10
10
10
10
10
10
10
10
10
10
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
254.0
239.0
226.0
204.0
186.0
170.0
157.0
145.0
136.0
124.0
114.0
102.0
95.0
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**”Q”ꢀpartꢀnumberꢀsuffixꢀforꢀautomotiveꢀandꢀotherꢀapplicationsꢀrequiringꢀappropriateꢀAEC-Q101ꢀcompliance.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.