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| (R) SMCJ5.0A-TR,CA-TR SMCJ188A-TR,CA-TR TRANSILTM FEATURES PEAK PULSE POWER : 1500 W (10/1000s) STAND OFF VOLTAGE RANGE : From 5V to 188V. UNI AND BIDIRECTIONAL TYPES LOW CLAMPING FACTOR FAST RESPONSE TIME DESCRIPTION The SMCJ series are TRANSILTM diodes designed specifically for protecting sensitive equipment against transient overvoltages. Transil diodes provide high overvoltage protection by clamping action. Their instantaneous response to transient overvoltages makes them particularly suited to protect voltage sensitive devices such as MOS Technology and low voltage supplied IC's. SMC (JEDEC DO-214AB) ABSOLUTE MAXIMUM RATINGS (Tamb = 25C) Symbol PPP P IFSM Tstg Tj TL Parameter Peak pulse power dissipation (see note 1) Power dissipation on infinite heatsink Non repetitive surge peak forward current for unidirectional types Storage temperature range Maximum junction temperature Maximum lead temperature for soldering during 10 s. Tj initial = Tamb Tamb = 50C tp = 10ms Tj initial = Tamb Value 1500 6.5 200 - 65 to + 175 150 260 Unit W W A C C C Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit. THERMAL RESISTANCES Symbol Rth (j-l) Rth (j-a) Junction to leads Junction to ambient on printed circuit on recommended pad layout Parameter Value 15 75 Unit C/W C/W August 1999 - Ed: 5A 1/5 SMCJxxxA-TR, CA-TR ELECTRICAL CHARACTERISTICS (Tamb = 25C) Symbol VRM VBR VCL IRM IPP Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current @ VRM Peak pulse current Voltage temperature coefficient Forward voltage drop IRM @ VRM Types Unidirectional SMCJ5.0A-TR SMCJ6.0A-TR SMCJ6.5A-TR SMCJ8.5A-TR SMC10A-TR SMCJ12A-TR SMCJ13A-TR SMCJ15A-TR SMCJ18A-TR SMCJ20A-TR SMCJ22A-TR SMCJ24A-TR SMCJ26A-TR SMCJ28A-TR SMCJ30A-TR SMCJ33A-TR SMCJ40A-TR SMCJ48A-TR SMCJ58A-TR SMCJ60A-TR SMCJ70A-TR SMCJ85A-TR SMCJ100A-TR SMCJ130A-TR SMCJ154A-TR SMCJ170A-TR SMCJ188A-TR Mark. FUA FUB FUC FUD FUF FUH FUI FUJ FUL FUM FUN FUO FUP FUQ FUR FUS FUU FUW FUZ GUA GUB GUE GUG GUI GUL GUM GUN max V 5.0 6.0 6.5 8.5 10 12 13 15 18 20 22 24 26 28 30 33 40 48 58 60 70 85 100 130 154 170 188 VBR @ IR min note2 V mA 6.4 10 6.7 10 7.2 10 9.4 1 11.1 1 13.3 1 14.4 1 16.7 1 20 1 22.2 1 24.4 1 26.7 1 28.9 1 31.1 1 33.3 1 36.7 1 44.4 1 53.3 1 64.4 1 66.5 1 77.8 1 94.4 1 111 1 144 1 171 1 189 1 209 1 VCL @ IPP max 10/1000s V A 9.2 171 10.3 152 11.2 140 14.4 105 17 92 19.9 79 21.5 73 24.4 64 29.2 53 32.4 48 35.5 44 38.9 40 42.1 37 45.4 34 48.4 32 53.3 29 64.5 24 77.4 20 93.6 16 96.6 15.7 113 13.9 137 11.5 162 9.7 209 7.5 246 6.1 275 5.7 328 4.6 I PP VCL VBR V RM VF I RM V IF I T VF VCL @ IPP T C typ note4 pF 9500 9000 8500 7000 6000 5250 5000 4300 3700 3500 3200 3050 2900 2700 2500 2400 2050 1800 1550 1520 1350 1150 1000 850 725 675 625 Bidirectional Mark. A SMCJ5.0CA-TR FBA 800 SMCJ6.0CA-TR FBB 800 SMCJ6.5CA-TR FBC 500 SMCJ8.5CA-TR FBD 5 SMCJ10CA-TR FBF 5 SMCJ12CA-TR FBH 5 SMCJ13CA-TR FBI 1 SMCJ15CA-TR FBJ 1 SMCJ18CA-TR FBL 1 SMCJ20CA-TR FBM 1 SMCJ22CA-TR FBN 1 SMCJ24CA-TR FBO 1 SMCJ26CA-TR FBP 1 SMCJ28CA-TR FBQ 1 SMCJ30CA-TR FBR 1 SMCJ33CA-TR FBS 1 SMCJ40CA-TR FBU 1 SMCJ48CA-TR FBW 1 SMCJ58CA-TR FBZ 1 SMCJ60CA-TR GBA 1 SMCJ70CA-TR GBB 1 SMCJ85CA-TR GBE 1 SMCJ100CA-TR GBG 1 SMCJ130CA-TR GBI 1 SMCJ154CA-TR GBL 1 SMCJ170CA-TR GBM 1 SMCJ188CA-TR GBN 1 max max 8/20s note3 V A 10-4/C 13.4 746 5.7 13.7 730 5.9 14.5 690 6.1 19.5 512 7.3 21.7 461 7.8 25.3 394 8.3 27.2 368 8.4 32.5 308 8.8 39.3 254 9.2 42.8 234 9.4 48.3 207 9.6 50 200 9.6 53.5 187 9.7 59 169 9.8 64.3 156 9.9 69.7 143 10.0 84 119 10.1 100 100 10.3 121 83 10.4 125 81 10.5 146 69 10.5 178 56 10.6 212 47 10.7 265 38 10.8 317 31.5 10.8 353 28 10.8 388 26 10.8 % I PP 100 10 s Note 2 : Pulse test : tp < 50 ms. Note 3 : VBR = T * (Tamb - 25) * VBR(25C). Note 4 : VR = 0 V, F = 1 MHz. For bidirectional types, PULSE WAVEFORM 10/1000 s capacitance value is divided by 2. 50 0 1000 s t 2/5 SMCJxxxA-TR, CA-TR ORDER CODE SM C J 85 SURFACE MOUNT 1500 WATTS C A - TR TAPE & REEL BIDIRECTIONAL No suffix : Unidirectional STAND OFF VOLTAGE Fig. 1: Peak power dissipation versus initial junction temperature. Ppp[Tj initial]/Ppp[Tj initial=25C] 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 Fig. 2: Continous power dissipation versus initial junction temperature. P(W) 8 Rth(j-a)=Rth(j-l) 7 6 5 4 3 2 1 0 25 50 75 100 Tj initial(C) 125 150 175 0 0 25 50 75 Tamb(C) 100 125 150 Rth(j-a)=75C/W Fig. 3: Peak pulse power versus exponential pulse duration (Tj initial=25C). Ppp(kW) 50.0 10.0 Fig. 4: Clamping voltage versus peak pulse current (Tj initial=25C). Exponential waveform tp=20s & tp=1ms. Ipp(A) 1E+3 1E+2 1E+1 SMCJ5.0A,CA SMCJ8.5A,CA SMCJ18A,CA SMCJ33A,CA SMCJ58A,CA SMCJ130A,CA tp=20s SMCJ188A,CA 1.0 1E+0 0.1 0.01 tp=1ms 0.10 tp(ms) 1.00 10.00 1E-1 1 10 Vcl(V) 100 1000 3/5 SMCJxxxA-TR, CA-TR Fig. 5-1: Capacitance versus reverse applied voltage (typical values) (SMCJxxA serie). C(nF) 10.00 SMCJ5.0A Fig. 5-2: Capacitance versus reverse applied voltage (typical values) (SMCJxxCA serie). C(nF) F=1MHz 10.00 SMCJ5.0CA F=1MHz SMCJ18A 1.00 SMCJ18CA SMCJ33A SMCJ58A 1.00 SMCJ33CA SMCJ58CA SMCJ188A SMCJ188CA 0.10 0.10 0.01 1 10 VR(V) 100 200 0.01 1 10 VR(V) 100 200 Fig. 6: Peak forward voltage drop versus peak forward current (typical values). Fig. 7: Relative variation of thermal impedance junction to ambient versus pulse duration. (Printed circuit board FR4, S(Cu)=1cm2). Zth(j-a)/Rth(j-a) 1.00 IFM(A) 200.0 100.0 Tj=125C 10.0 Tj=25C 0.10 1.0 0.1 0.5 1.0 1.5 2.0 VFM(V) 2.5 3.0 3.5 0.01 1E-2 1E-1 1E+0 1E+1 tp(s) 1E+2 5E+2 Fig. 8: Thermal resistance junction to ambient versus copper surface under each lead (Printed circuit board FR4, e(Cu)=35m) Rth(j-a) (C/W) 100 90 80 70 60 Fig. 9: Relative variation of leakage current versus junction temperature. IR[Tj] / IR [Tj=25C] 2E+3 1E+3 1E+2 1E+1 1E+0 VBR upper or equal to 8.5V VBR<8.5V 50 40 1E-1 0 1 2 S(cm) 3 4 5 0 25 50 75 Tj(C) 100 125 150 4/5 SMCJxxxA-TR, CA-TR MARKING : Logo, Date Code, Type Code, Cathode Band (for unidirectional types only). PACKAGE MECHANICAL DATA SMC (Plastic) DIMENSIONS E1 REF. A1 A2 b Millimeters Min. Max. 2.45 0.20 3.2 0.41 8.15 7.15 4.70 6.25 1.60 1.90 0.05 2.90 0.15 7.75 6.60 4.40 5.55 0.75 Inches Min. 0.075 0.002 0.114 0.006 0.305 0.260 0.173 0.218 0.030 Max. 0.096 0.008 0.126 0.016 0.321 0.281 0.185 0.246 0.063 D E c A1 E E1 E2 b C L A2 E2 D L FOOTPRINT DIMENSIONS (Millimeter) SMC Plastic. 3.3 2.0 4.2 2.0 Packaging : standard packaging is in tape and reel. Weight : 0.25 g Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 5/5 |
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