SM15T6V8A/220A SM15T6V8CA/220CA SM15T6V8A SM15T6V8CA SM15T7V5A SM15T7V5CA

SM15T6V8CA/220CA ® TRANSILTM FEATURES s s s s s s PEAK PULSE POWER : 1500 W (10/1000µs) BREAKDOWN VOLTAGE RANGE : From

SM15T6V8A/220A SM15T6V8A/220A SM15T6V8CA/220CA SM15T6V8CA/220CA ® TRANSILTM FEATURES s s s s s s PEAK PULSE POWER : 1500 W (10/1000µs) BREAKDOWN VOLTAGE RANGE : From 6.8 V to 220 V UNI AND BIDIRECTIONAL TYPES LOW CLAMPING FACTOR FAST RESPONSE TIME UL RECOGNIZED DESCRIPTION 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 ABSOLUTE MAXIMUM RATINGS (Tamb = 25°C) Symbol PPP Parameter Value Unit 1500 W Peak pulse power dissipation (see note1) Tj initial = Tamb Power dissipation on infinite heatsink Tamb = 50°C 6.5 W IFSM Non repetitive surge peak forward current for unidirectional types tp = 10ms Tj initial = Tamb 200 A Tstg Tj Storage temperature range Maximum junction temperature - 65 to + 175 150 °C °C TL Maximum lead temperature for soldering during 10 s. 260 °C Value Unit P Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit. THERMAL RESISTANCES Symbol Parameter Rth (j-l) Junction to leads 15 °C/W Rth (j-a) Junction to ambient on printed circuit on recommended pad layout 75 °C/W September 2001 Ed : 3B 1/5 SM15Txx ELECTRICAL CHARACTERISTICS (Tamb = 25°C) Symbol I IF Parameter VRM Stand-off voltage VBR Breakdown voltage VCL Clamping voltage IRM Leakage current @ VRM IPP Peak pulse current VCL VBR V RM VF V I RM T Voltage temperature coefficient VF Forward Voltage drop I PP IRM @ VRM Types max Bi directional Marking µA SM15T6V8A SM15T6V8A MDE SM15T6V8CA SM15T6V8CA BDE SM15T7V5A SM15T7V5A MDG SM15T7V5CA SM15T7V5CA BDG Uni directional Marking SM15T10A SM15T10A MDP SM15T10CA SM15T10CA SM15T12A SM15T12A MDT SM15T12CA SM15T12CA SM15T15A SM15T15A MDX SM15T15CA SM15T15CA SM15T18A SM15T18A MEE SM15T22A SM15T22A SM15T24A SM15T24A VBR min @ IR VCL @ IPP VCL @ IPP max 10/1000µs nom max note2 max 8/20µs T C max typ note3 note4 V V V V mA V A V A 10-4/°C pF 1000 5.8 6.45 6.8 7.14 10 10.5 143 13.4 746 5.7 9500 500 6.4 7.13 7.5 7.88 10 11.3 132 14.5 690 6.1 8500 7000 BDP 10 8.55 9.5 10 10.5 1 14.5 103 18.6 538 7.3 BDT 11.4 12 12.6 1 16.7 90 21.7 461 7.8 6000 BDX 5 10.2 1 12.8 14.3 15 15.8 1 21.2 71 27.2 368 8.4 5000 SM15T18CA SM15T18CA BEE 1 15.3 17.1 18 18.9 1 25.2 59.5 32.5 308 8.8 4300 MEK SM15T22CA SM15T22CA BEK 20.9 22 23.1 1 30.6 49 39.3 254 9.2 3700 MEM SM15T24CA SM15T24CA BEM 1 18.8 1 20.5 22.8 24 25.2 1 33.2 45 42.8 234 9.4 3500 SM15T27A SM15T27A MEP SM15T27CA SM15T27CA BEP 1 23.1 25.7 27 28.4 1 37.5 40 48.3 207 9.6 3200 SM15T30A SM15T30A MER SM15T30CA SM15T30CA BER 1 25.6 28.5 30 31.5 1 41.5 36 53.5 187 9.7 2900 SM15T33A SM15T33A MET SM15T33CA SM15T33CA BET 1 28.2 31.4 33 34.7 1 45.7 33 59.0 169 9.8 2700 SM15T36A SM15T36A MEV SM15T36CA SM15T36CA BEV 1 30.8 34.2 36 37.8 1 49.9 30 64.3 156 9.9 2500 SM15T39A SM15T39A MEX SM15T39CA SM15T39CA BEX 1 33.3 37.1 39 41.0 1 53.9 28 69.7 143 10.0 2400 SM15T68A SM15T68A MFP SM15T68CA SM15T68CA BFP 1 58.1 64.6 68 71.4 1 92 16.3 121 83 10.4 1550 SM15T75A SM15T75A MFO SM15T75CA SM15T75CA BFO 71.3 - 78.8 1 103 14.6 134 75 10.5 1450 SM15T100A SM15T100A MFX SM15T100CA SM15T100CA BFX 1 64.1 1 85.5 95.0 100 105 1 137 11 178 56 10.6 1150 SM15T150A SM15T150A MGK SM15T150CA SM15T150CA BGK 1 128 143 150 158 1 207 7.2 265 38 10.8 850 SM15T200A SM15T200A MGV SM15T200CA SM15T200CA BGV 1 171 190 200 210 1 274 5.5 353 28 10.8 675 SM15T220A SM15T220A MGX SM15T220CA SM15T220CA BGX 1 188 209 220 231 1 328 4.6 388 26 10.8 625 Fig. 1: Peak pulse power dissipation versus initial junction temperature (printed circuit board). % I PP 100 10 s PULSE WAVEFORM 10 /1000 s 50 0 t 1000 s Note 2 : Note 3 : Note 4 : 2/5 Pulse test: tp < 50 ms. VBR = T * (Tamb - 25) * VBR(25°C). VR = 0 V, F = 1 MHz. For bidirectional types, capacitance value is divided by 2. SM15Txx Fig. 2 : Peak pulse power versus exponential pulse duration. Fig. 3 : Clamping voltage versus peak pulse current. Exponential waveform tp = 20 µs tp = 1 ms -tp = 10 ms . Note : The curves of the figure 3 are specified for a junction temperature of 25 C before surge. The given results may be extrapolated for other junction temperatures by using the following formula : VBR = T * [Tamb -25] * VBR(25°C). For intermediate voltages, extrapolate the given results. 3/5 SM15Txx Fig. 4a : Capacitance versus reverse applied voltage for unidirectional types (typical values). Fig. 4b : Capacitance versus reverse applied voltage for bidirectional types (typical values). Fig. 5 : Peak forward voltage drop versus peak forward current (typical values for unidirectional types). Fig. 6 : Transient thermal impedance junction-ambient versus pulse duration. Mounting on FR4 PC Board with recommended pad layout. Fig. 7 : Relative variation of leakage current versus junction temperature. 4/5 SM15Txx ORDER CODE SM 15 T 100 C A SURFACE MOUNT 1500 WATT BIDIRECTIONAL BREAKDOWN VOLTAGE MARKING : Logo, Date Code, Type Code, Cathode Band (for unidirectional types only). PACKAGE MECHANICAL DATA SMC (Plastic) DIMENSIONS REF. E1 Millimeters Inches Min. Max. 1.90 2.45 0.075 0.096 A2 0.05 0.20 0.002 0.008 b 2.90 3.2 0.114 0.126 c 0.15 0.41 0.006 0.016 E 7.75 8.15 0.305 0.321 E1 6.60 7.15 0.260 0.281 E2 4.40 4.70 0.173 0.185 D 5.55 6.25 0.218 0.246 L E Min. A1 D Max. 0.75 1.60 0.030 0.063 A1 A2 C E2 L b Weight = 0.25 g. FOOTPRINT DIMENSIONS (Millimeters) SMC 3.3 2.0 4.2 Packaging : standard packaging is in tape and reel. 2.0 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 © 2001 STMicroelectronics - Printed in Italy - All rights reserved. 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