VISHAY GENERAL SEMICONDUCTOR Transient Suppressors Application Note (TVS) Soo Man Sweetman Kim Senior Application Manager TVS Vishay General Semiconductor ITVS TVS TVS TVS 1 10 s 1000 sbellcore 1089 2 8 s 20 stvs ESD 1 100 % 10 µs I PPM 10 μs/1000 μs 100 % 8 μs I PPM 8 μs/20 μs I PPM 2 I PPM 2 50 % 50 % 0 % 0 0.5 1.0 1.5 2.0 2.5 (ms) 0 % 0 5 10 15 20 25 (μs) 1 TVS 2 TVS ESD Document Number: 89865 For technical questions within your region, please contact one of the following: www.vishay.com Revision: 12-Jan-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 1
Application Note (TVS) 1 SM6T 25 I T I T V V BR ma V RM V V RM I RM A I PP V C 10 s 1000 s I PP V C 8 s 20 s Uni Bi V A V A SM6T6V8A KE7 KE7 6 45 7 14 10 5 80 1000 10 5 57 0 13 4 298 5 7 SM6T7V5A KK7 AK7 7 13 7 88 10 6 40 500 11 3 53 0 14 5 276 6 1 SM6T10A KT7 AT7 9 50 10 5 1 0 8 55 10 0 14 5 41 0 18 6 215 7 3 SM6T12A KX7 AX7 11 4 12 6 1 0 10 2 5 0 16 7 36 0 21 7 184 7 8 SM6T15A LG7 LG7 14 3 15 8 1 0 12 8 1 0 21 2 28 0 27 2 147 8 4 T MAX 0 4 C V BR 1 SM6T6V8A 10 ma 6 8 V 5 SM6T10A 1 ma 10 V V C TVS TVS 1 ma 10 ma 10 s 1000 s 8 s 20 s 1 V WM TVS 12 V24 V DC 10 24 V36 V DC 10 TVS1 Forward V C V BR V WM I F Reverse I R V F Forward 3 www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 89865 2 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 12-Jan-10 I PP Reverse
(TVS) Application Note II 1 ESD 5 ISO 7637 2 Pulse 5 JASO A 1 14 V JASO D 1 27 V TVS 14 V High induced by Alternator Regulator A TCU ECU 4 6 TRANSZORB R TVS TVS + Battery ESD or Lightning Transient Reaction Transient from Motor and Spark Plugs Clamped Transient Air-Bag ABS Car-Audio &... Transient TVS Protected Load - A X Load 6 Output of Alternator V P V N Battery Connected Battery Disconnected 5 DO 218AB Document Number: 89865 For technical questions within your region, please contact one of the following: www.vishay.com Revision: 12-Jan-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 3
Application Note (TVS) ISO 7637 2 Pulse 5 JASO A 114 V 2 2 14 V V P V V S V 70 12 0 0 8 200 1 JASO A 1 88 12 0 1 0 200 1 ISO 7637 2 Pulse 5 78 5100 5 6587 13 5 0 54 0 400 1 V A V R I Ω ms (V) 100 Line Impedance and Pulse Duration JASO A-1: 0.8 Ω, 200 ms ISO-7637: 0.5 Ω min. (0.5 Ω to 4 Ω), 400 ms max. (40 ms to 400 ms) V S V P 50 JASO A-1 36.8 % of V P ISO 7637 V r + 10 % of V S V r 0 0 100 200 300 400 (ms) 7 ISO 7637 265 87 V V S 0 54 Ω R i ISO 7637 2 Pulse 5 TVS I PP = ( V in V c ) R i I PP : Peak clamping current V in : Input voltage V c : Clamping voltage R i : Line impedance TVS3 3TVS V C JASO A 1 ISO 7637 2 PULSE 5 10 s 1000 s V P 70 V T 200 ms R I 1 5 Ω V S 87 V T 300 ms R I 0 75 Ω SM5A27 I PP 55 A 40 0 V I PP 47 4 A 34 1 V I PP 59 4 A 36 5 V SM5S24A I PP 93 A 38 9 V I PP 47 6 A 33 8 V I PP 60 1 A 36 1 V SM6A27 I PP 65 A 40 0 V I PP 48 1 A 33 7 V I PP 60 4 A 35 8 V SM6S24A I PP 118 A 38 9 V I PP 48 3 A 33 5 V I PP 60 4 A 35 8 V SM8A27 I PP 75 A 40 0 V I PP 48 4 A 33 2 V I PP 61 1 A 34 9 V SM8S24A I PP 170 A 38 9 V I PP 48 8 A 32 1 V I PP 62 0 A 34 4 V TVS37 V 37 40 V www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 89865 4 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 12-Jan-10
(TVS) Application Note 8a JASO A 1 SM5A27 8a SM5A27 JASO A 1 8b TVS ISO7637 2 8b ISO 7637 2 TVS 0 4 TVS SM8S24A ISO 7637 2 Pulse 5 4 JASO ISO 7637 2 PULSE 5 T 200 ms R I 0 8 T 300 ms R I 0 5 70 V 77 V 84 V 87 V 100 V 110 V 25 110 V 85 SM5A27 20 0 20 0 20 0 20 0 20 0 20 20 SM5S22A 20 0 20 0 20 0 20 0 20 0 20 20 SM5A24A 20 0 20 0 20 0 20 0 20 0 20 20 SM6A27 20 0 20 0 20 0 20 0 20 0 20 20 SM6S24A 20 0 20 0 20 0 20 0 20 0 20 20 SM8A27 20 0 20 0 20 0 20 0 20 0 20 3 20 9 SM8S24A 20 0 20 0 20 0 20 0 20 0 20 0 20 0 ISO 76372 I PP = ( V in V c ) R i = ( 110 35) 0,5 = 150 A Document Number: 89865 For technical questions within your region, please contact one of the following: www.vishay.com Revision: 12-Jan-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 5
Application Note (TVS) TVS 2 2 TVS EPI PAR TVSEPI PAR TVS PAR TVS5 5 PAR TVS EPI PAR TVS EPI PAR TVS 6KA24 SM5A27 SM5S SM6A27 SM6S SM8A27 SM8S 6 EPI PAR TVS VF EPI PAR TVS V F 6 PAR TVS V F 0 3 ms V 0 1 A 6 A 100 A SM5A27 0 70 0 93 0 95 0 2 A 22 V 10 ma 27 V SM6A27 0 70 0 91 0 94 0 5 A 22 V 10 ma 27 V SM8A27 0 70 0 89 0 93 1 0 A 22 V 10 ma 27 V SM5S24A 0 70 0 92 1 65 10 A 24 V 5 ma 28 V SM6S24A 0 70 0 88 1 50 10 A 24 V 5 ma 28 V SM8S24A 0 70 0 86 1 45 10 A 24 V 5 ma 28 V CMOS IC LSI MOSFET 1 V TVS V F EPI PAR TVS 9 - Reverse Power Input + TVS 9 V F Protected Load www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 89865 6 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 12-Jan-10
(TVS) Application Note III 27 24 V IC DC DC IC45 60 V 24 V TVS 7 7 JASO D 1 JASO D 1 P N V P 110 V t 400 ms R i 1 5 W V P 130 V V C I PP V C I PP SM5S36A 56 V 39 2 A N A SM6S36A 53 V 41 1 A 57 V 52 A SM8S36A 52 V 42 0 A 55 V 53 A 10 Transient Clamped Clamped + Power Line Primary Protection R Limiter Secondary Protection Load R TVS 150 300 ma 12 V 187 2 V 24 V 14 4 V 24 V14 4 V 18 24 V 300 mar 20 Ω 8 4 V R 10 Ω 11 4 V 10 V L = ( V min ( V min I L )) (( V min I L ) R) V L : to load V min : Minimum input voltage I L : Load current R: Resistor value R I 2 R IC DC DC IC Document Number: 89865 For technical questions within your region, please contact one of the following: www.vishay.com Revision: 12-Jan-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 7
Application Note (TVS) 24 V JASO D 1110 V t 400 ms R i 1 5 Ω TVSTVS 8 8 JASO D 1 TVS P N P N R 10 Ω 2 W R 20 Ω 2 W SM8S36A 51 3 V V C I PP V C I PP TPSMC39A 42 8 V 0 93 A 41 3 V 0 56 A TPSMB39A 44 9 V 0 85 A 42 2 V 0 50 A TPSMA39A 45 6 V 0 75 A 43 3 V 0 45 A TPSMC36A 40 3 V 1 25 A 37 8 V 0 70 A TPSMB36A 43 5 V 1 00 A 39 1 V 0 65 A TPSMA36A 44 0 V 0 90 A 40 6 V 0 60 A Power Line Filter L C C Limiter R High Load 14 V/27 V Low Load Regulator MCU and Logic Primary Protection Secondary Protection 11 JASO D 1 12 20 Ω TPSMC36A V C 37 8 V I PP 0 7 A 5 www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 89865 8 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 12-Jan-10