SM15T Transil™ Features ■ Peak pulse power: – 1500 W (10/1000 µs) – 10 kW (8/20 µs) ■ Breakdown voltage range: from 6.8 V to 220 V A ■ Unidirectional and bidirectional types ■ Low leakage current: – 0.2 µA at 25 °C K Unidirectional Bidirectional – 1 µA at 85 °C ■ Operating T : 150 °C j max SMC ■ High power capability at T : (JEDEC DO-214AB) jmax – 1250 W (10/1000 µs) ■ JEDEC registered package outline Complies with the following standards ■ IEC 61000-4-2 level 4 – 15 kV (air discharge) Description – 8 kV (contact discharge) ■ IEC 61000-4-5 The SM15T Transil series has been designed to – See Table3 for surge level protect sensitive equipment against electrostatic discharges according to IEC 61000-4-2, and ■ MIL STD 883G, method 3015-7: class 3B MIL STD 883, method 3015, and electrical over – 25 kV HBM (human body model) stress according to IEC 61000-4-4 and 5. These ■ UL 497B file number: QVGQ2.E136224 devices are more generally used against surges below 1500 W (10/1000µs). ■ Resin meets UL 94, V0 ■ MIL-STD-750, method 2026 soldererabilty Planar technology makes these devices suitable for high-end equipment and SMPS where low ■ EIA STD RS-481 and IEC 60286-3 packing leakage current and high junction temperature are ■ IPC 7531 footprint required to provide reliability and stability over time. SM15T are packaged in SMC (SMC footprint in accordance with IPC 7531 standard). TM: Transil is a trademark of STMicroelectronics September 2009 Doc ID 3080 Rev 6 1/10 www.st.com 10

Characteristics SM15T 1 Characteristics Table 1. A bsolute maximum ratings (T = 25 °C) amb Symbol Parameter Value Unit P Peak pulse power dissipation(1) T = T 1500 W PP jinitial amb T Storage temperature range -65 to + 150 °C stg T Operating junction temperature range -55 to + 150 °C j T Maximum lead temperature for soldering during 10 s. 260 °C L 1. For a surge greater than the maximum values, the diode will fail in short-circuit. Table 2. T hermal parameter Symbol Parameter Value Unit R Junction to leads 15 °C/W th(j-l) R Junction to ambient on printed circuit on recommended pad layout 90 °C/W th(j-a) Figure 1. Electrical characteristics - definitions II II Symbol Parameter VRM Stand-off voltage Unidirectional IIFF IIPPPP VBR Breakdown voltage VCL Clamping voltage II IRM Leakage current @VRM VVCCLLVVBBRRVVRRMM VVFF VV VVCCLLVVBBRRVVRRMM IIRRRRMM VV IαPTP PVoelatakg peu tlseem cpuerrraetnutre coefficient IIRIRIRRMM IIRRIIRRMM VVRRMMVVBBRRVVCCLL VF Forward voltage drop RD Dynamic resistance IIPPPP IIPPPP Bidirectional Figure 2. Pulse definition for electrical characteristics %IPP 100 Pulse waveform 50 tr = rise time (µs) tp = pulse duration time (µs) 0 t tr tp 2/10 Doc ID 3080 Rev 6

SM15T Characteristics Table 3. E lectrical characteristics, parameter values (T = 25 °C) amb R R V @I D V @I D I max@V V @I (1) CL PP 10/1000 CL PP 8/20 αT (2) RM RM BR R 10/1000µs 8/20µs µs µs Order code 25 °C 85 °C min typ max max max max µA V V mA V(3) A(4) Ω V(3) A(4) Ω 10-4/ °C SM15T6V8A/CA 500 2000 5.8 6.45 6.8 7.14 10 10.5 143 0.023 13.4 746 0.008 5.7 SM15T7V5A/CA 250 1000 6.4 7.13 7.5 7.88 10 11.3 132 0.026 14.5 690 0.010 6.1 SM15T10A/CA 10 50 8.55 9.5 10 10.5 1 14.5 103 0.039 18.6 538 0.015 7.3 SM15T12A/CA 0.2 1 10.2 11.4 12 12.6 1 16.7 90 0.046 21.7 461 0.020 7.8 SM15T15A/CA 0.2 1 12.8 14.3 15 15.8 1 21.2 71 0.076 27.2 368 0.031 8.4 SM15T18A/CA 0.2 1 15.3 17.1 18 18.9 1 25.2 59.5 0.106 32.5 308 0.044 8.8 SM15T22A/CA 0.2 1 18.8 20.9 22 23.1 1 30.6 49 0.153 39.3 254 0.064 9.2 SM15T24A/CA 0.2 1 20.5 22.8 24 25.2 1 33.2 45 0.178 42.8 234 0.075 9.4 SM15T27A/CA 0.2 1 23.1 25.7 27 28.4 1 37.5 40 0.228 48.3 207 0.096 9.6 SM15T30A/CA 0.2 1 25.6 28.5 30 31.5 1 41.5 36 0.278 53.5 187 0.12 9.7 SM15T33A/CA 0.2 1 28.2 31.4 33 34.7 1 45.7 33 0.333 59.0 169 0.14 9.8 SM15T36A/CA 0.2 1 30.8 34.2 36 37.8 1 49.9 30 0.403 64.3 156 0.17 9.9 SM15T39A/CA 0.2 1 33.3 37.1 39 41.0 1 53.9 28 0.461 69.7 143 0.20 10.0 SM15T68A/CA 0.2 1 58.1 64.6 68 71.4 1 92 16.3 1.26 121 83 0.60 10.4 SM15T75A/CA 0.2 1 64.1 71.3 75 78.8 1 103 14.6 1.66 134 75 0.74 10.5 SM15T100A/CA 0.2 1 85.5 95.0 100 105 1 137 11 2.91 178 56 1.30 10.6 SM15T150A/CA 0.2 1 128 143 150 158 1 207 7.2 6.81 265 38 2.82 10.8 SM15T200A/CA 0.2 1 171 190 200 210 1 274 5.5 11.6 353 28 5.11 10.8 SM15T220A/CA 0.2 1 188 209 220 231 1 328 4.6 21.1 388 26 6.04 10.8 1. Pulse test : t < 50 ms p 2. To calculate V versus junction temperature, use the following formula: V @ T = V @ 25°C x (1 + αT x (T – 25)). BR BR J BR J 3. To calculate maximum clamping voltage at other surge level, use the following formula: V = R x I + V CL D PP BRmax. 4. Surge capability given for both directions for unidirectional and bidirectional types. Doc ID 3080 Rev 6 3/10

Characteristics SM15T Figure 3. P eak pulse power dissipation Figure 4. Peak pulse power versus versus initial junction temperature exponential pulse duration (printed circuit board) Ppp(W) PPP(kW) 2000 100.0 10/1000µs Tjinitial = 25°C 1500 10.0 1000 1.0 500 Tj(°C) tp(ms) 0 0.1 0 25 50 75 100 125 150 175 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 Figure 5. Clamping voltage versus peak pulse current (maximum values) IPP(A) 1000.0 Tjinitial=25 °C A 0 1 100.0 T A 15 8 M A V S 0 6 3 8/20 µs T T 5 5 1 1 M M S S 10.0 A 2 2 T 10/1000 µs 5 1 M A S 8 6 T 10 ms 1.0 15 A M 0 A 5 S 1 20 T 2 M15 5T VCL(V) S M1 S 0.1 1 10 100 1000 4/10 Doc ID 3080 Rev 6

SM15T Characteristics Figure 6. C apacitance versus reverse applied Figure 7. Capacitance versus reverse applied voltage (typical values, SM15TxxA) voltage (typical values, SM15TxxCA) C (nF) C (nF) 10.00 10.0 F=1 MHz F=1 MHz SM15T6V8A VoscT=j=3205m°VCRMS SM15T6V8CA VoscT=j=3205m°VCRMS SM15T15A 1.00 SM15T15CA SM15T30A 1.0 SM15T30CA SM15T68A 0.10 SM15T68CA SM15T200A VR(V) VR(V) SM15T200CA 0.01 0.1 1 10 100 1000 1 10 100 1000 Figure 8. P eak forward voltage drop versus Figure 9. Relative variation of thermal forward current (typical values) impedance junction to ambient versus pulse duration IFM(A) Zth(j-a)/Rth(j-a) 100.0 1.00 Recommendedpadlayout 10.0 Tj=125°C 0.10 Tj=25°C 1.0 VFM(V) tP(s) 0.1 0.01 0.0 0.5 1.0 1.5 2.0 2.5 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 1.0E+02 1.0E+03 Figure 10. Thermal resistance junction to Figure 11. Leakage current versus junction ambient versus copper surface temperature (typical values) under each lead Rth(j-a)(°C/W) IR(nA) 100 1.0E+04 90 printed circuit board FR4, copper thickness = 35 µm 80 1.0E+03 70 VR=VRM 60 VRM< 10V 50 1.0E+02 40 30 1.0E+01 20 10 SCu(cm²) VVRMR=≥V1R0MV Tj(°C) 0 1.0E+00 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 25 50 75 100 125 150 Doc ID 3080 Rev 6 5/10

Ordering information scheme SM15T 2 Ordering information scheme Figure 12. Ordering information scheme SM 15T 100 CA Surface mount Surge rating 15 = 1500WTransil in SMC Breakdown voltage 100 = 100V Types CA = Bidirectional A = Unidirectional 6/10 Doc ID 3080 Rev 6

SM15T Package information 3 Package information ● Case: JEDEC DO-214AB molded plastic over planar junction ● Terminals: solder plated, solderable as per MIL-STD-750, Method 2026 ● Polarity: for unidirectional types the band indicates cathode ● Flammability: epoxy is rated UL 94, V0 ● RoHS package In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. T able 4. SMC dimensions Dimensions Ref. Millimeters Inches E1 Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 D A2 0.05 0.20 0.002 0.008 b 2.90 3.20 0.114 0.126 c 0.15 0.40 0.006 0.016 E D 5.55 6.25 0.218 0.246 A1 E 7.75 8.15 0.305 0.321 C A2 E1 6.60 7.15 0.260 0.281 E2 L b E2 4.40 4.70 0.173 0.185 L 0.75 1.50 0.030 0.059 Figure 13. S MC footprint dimensions in mm Figure 14. Marking layout(1) (inches) 1.54 5.11 1.54 (0.061) (0.201) (0.061) Cathode bar (unidirectionaldevicesonly) 3.14 e e: ECOPACK compliance (0.124) XXX: Marking x x x Z: Manufacturing location Y: Year WW: week z y ww 8.19 (0.322) 1. Marking layout can vary according to assembly location. Doc ID 3080 Rev 6 7/10

Package information SM15T T able 5. Marking Order code Marking Order code Marking SM15T6V8A MDE SM15T6V8CA BDE SM15T7V5A MDG SM15T7V5CA BDG SM15T10A MDP SM15T10CA BDP SM15T12A MDT SM15T12CA BDT SM15T15A MDX SM15T15CA BDX SM15T18A MEE SM15T18CA BEE SM15T22A MEK SM15T22CA BEK SM15T24A MEM SM15T24CA BEM SM15T27A MEP SM15T27CA BEP SM15T30A MER SM15T30CA BER SM15T33A MET SM15T33CA BET SM15T36A MEV SM15T36CA BEV SM15T39A MEX SM15T39CA BEX SM15T68A MFP SM15T68CA BFP SM15T75A MFO SM15T75CA BFO SM15T100A MFX SM15T100CA BFX SM15T150A MGK SM15T150CA BGK SM15T200A MGV SM15T200CA BGV SM15T220A MGX SM15T220CA BGX 8/10 Doc ID 3080 Rev 6

SM15T Ordering information 4 Ordering information T able 6. Ordering information Order code Marking Package Weight Base qty Delivery mode SM15TxxxA/CA(1) See Table5 on page8 SMC 0.25 g 2500 Tape and reel 1. Where xxx is nominal value of V and A or CA indicates unidirectional or bidirectional version. See BR Table3 for list of available devices and their order codes 5 Revision history T able 7. Document revision history Date Revision Description of changes September-2001 3B Last issue 19-Feb-2007 4 Peak pulse power Figure4 on page4 updated. Updated ECOPACK statement. Added R columns in D 04-Feb-2009 5 Table3. Updated characteristic curves, Figure3 to Figure11. 17-Sep-2009 6 Document updated for low leakage current. Doc ID 3080 Rev 6 9/10

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