Document
SHANGHAI SEMITECH SEMICONDUCTOR CO., LTD
SM8S10~~SM8S40A
Surface Mount Transient Voltage Suppressors
Features
z Surface mount package. z Excellent clamping capability. z Glass passivated junction. z Fast response time: Less than 1 ns for Uni-direction,
from 0 Volts to BV min z Plastic material has UL flammability classification 94V-O z RoHS compliant in lead-free versions
Mechanical Characteristics
CASE: Void-free, JEDEC DO-218AB Molded Plastic over glass passivated junction.. Mounting Position: Any Polarity: by cathode band denotes uni-directional device, none cathode band denotes bi-directional device. Terminal: Solder plated, solderable per MIL-STD-750, Method 2026
Maximum Ratings And Characteristics @ 25°C Ambient Temperature (unless otherwise noted)
Parameter Peak Pulse Power dissipation on 10/1000us Waveform (Note 1, FIG.1) Peak Forward Surge Current, 8.3ms Single Half Sine-wave Superimposed on Rated Load, (JEDEC Method) (Note 2. 3) Operating Junction Temperature Range Storage Temperature Range
Symbol PPPM
IFSM
TJ TSTG
Value 6600
700
-55 to 150 -55 to 150
Units W
Amps
°C °C
Notes:
1. Non-repetitive current pulse, per Fig.1 and derated above TA=25°C per Fig.2. 2. Mounted on 5.0mm2 (0.03mm thick) Copper Pads to each terminal. 3. 8.3 ms single half sine-wave, or equivalent square wave, Duty cycle=4 pluses per minute maximum.
WWW.SEMITECH.CN
SM8S10~~SM8S40A
Electrical Specification @ Tamb 25°C
Type Number
(uni) SM8S10 SM8S10A SM8S11 SM8S11A SM8S12 SM8S12A SM8S13 SM8S13A SM8S14 SM8S14A SM8S15 SM8S15A SM8S16 SM8S16A SM8S17 SM8S17A SM8S18 SM8S18A SM8S20 SM8S20A SM8S22 SM8S22A SM8S24 SM8S24A SM8S26 SM8S26A SM8S28 SM8S28A SM8S30 SM8S30A SM8S33 SM8S33A SM8S36 SM8S36A SM8S40 SM8S40A
Reverse Stand-Off Voltage
VRMW(V) 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 20 20 22 22 24 24 26 26 28 28 30 30 33 33 36 36 40 40
Breakdown Voltage Min. @IT
VBR MIN(V) 11.1 11.1 12.2 12.2 13.3 13.3 14.4 14.4 15.6 15.6 16.7 16.7 17.8 17.8 18.9 18.9 20.0 20.0 22.2 22.2 24.4 24.4 26.7 26.7 28.9 28.9 31.1 31.1 33.3 33.3 36.7 36.7 40.0 40.0 44.4 44.4
Breakdown Voltage Max. @ IT
Test Current
VBR MAX(V) 14.1 12.8 15.4 14.0
IT (mA) 5.0 5.0 5.0 5.0
16.9 5.0 15.3 5.0 18.2 5.0 16.5 5.0
19.8 5.0 17.9 5.0 21.1 5.0 19.2 5.0 22.6 5.0 20.5 5.0 23.9 5.0 21.7 5.0
25.3 5.0 23.3 5.0 28.1 5.0 25.5 5.0
30.9 5.0 28.0 5.0 33.8 5.0 30.7 5.0 36.6 5.0 33.2 5.0 39.4 5.0 35.8 5.0
42.2 5.0 38.3 5.0 46.5 5.0 42.2 5.0
50.7 5.0 46.0 5.0 56.3 5.0 51.1 5.0
Maximum Clamping
Voltage @IPP
VC(V)
18.8
Peak Pulse Current
IPP(A)
351
17.0 388
20.1 328
18.2 363
22.0 300
19.9 332
23.8 277
21.5 307
25.8 256
23.2 284
26.9 245
24.4 270
28.8 229
26.0 254
30.5 216
27.6 239
32.2 205
29.2 226
35.8 184
32.4 204
39.4 168
35.5 186
43.0 153
38.9 170
46.6 142
42.1 157
50.0 132
45.4 145
53.5 123
48.4 136
59.0 112
53.3 124
64.3 103
58.1 114
71.4 92.4
64.5 102
Reverse Leakage @VRMW
IR(uA) 15.0 15.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 .