SM30TY Automotive 3000 W Transil™ Datasheet − production data Features ■ Peak pulse power: – 3000 W (10/1000 µs) – Up to 28 kW (8/20 µs) A ■ Stand off voltage range: from 15 V to 33 V ■ Unidirectional and bidirectional types ■ Operating Tj max: 150 °C ■ High power capability at Tjmax: – 2200 W (10/1000 µs) ■ JEDEC registered package outline ■ Resin meets UL 94, V0 ■ AEC-Q101 qualified Unidirectional Description ISO 10605 - C = 150 pF, R = 330 Ω: – 30 kV (air discharge) – 30 kV (contact discharge) ■ ISO 10605 - C = 330 pF, R = 330 Ω – 30 kV (air discharge) – 30 kV (contact discharge) ■ ISO 7637-2(a): – Pulse 1: VS = -100 V – Pulse 2a: VS = +50 V – Pulse 3a: VS = -150 V – Pulse 3b: VS = +100 V This is information on a product in full production. The SM30TY Transil series has been designed to protect automotive sensitive circuits against surges defined in ISO 7637-2 and against electrostatic discharges according to ISO 10605. The Planar technology makes it compatible with high-end circuits where low leakage current and high junction temperature are required to provide reliability and stability over time. SM30TY are packaged in SMC (SMC footprint in accordance with IPC 7531 standard). a. Not applicable to parts with stand-off voltage lower than the average battery voltage (13.5 V) March 2012 Bidirectional SMC (JEDEC DO-214AB) Complies with the following standards ■ K TM: Transil is a trademark of STMicroelectronics Doc ID 022065 Rev 2 1/13 www.st.com 13 Characteristics SM30TY 1 Characteristics Table 1. Absolute maximum ratings (Tamb = 25 °C) Symbol VPP Parameter Value ISO10605 (C = 330 pF, R = 330 Ω) contact discharge air discharge IEC 61000-4-2 /ISO10605 (C = 150 pF, R = 330 Ω) contact discharge air discharge Peak pulse voltage PPP Peak pulse power dissipation(1) Tstg Unit 30 30 kV 30 30 Tj initial = Tamb 3000 W Storage temperature range -65 to + 150 °C Tj Operating junction temperature range -55 to + 150 °C TL Maximum lead temperature for soldering during 10 s. 260 °C 1. For a surge greater than the maximum values, the diode will fail in short-circuit. Figure 1. Electrical characteristics - definitions Symbol VRM VBR VCL IRM IPP αT VF RD Figure 2. Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current @ VRM Peak pulse current Voltage temperature coefficient Forward voltage drop Dynamic resistance Unidirectional I I IF IPP VF VCL VBR VRM V VCLVBR VRM IRM IR IPP IPP %IPP 100 0 Pulse waveform tr = rise time (µs) tp = pulse duration time (µs) 2/13 tr V IRM IR Pulse definition for electrical characteristics 50 IR IRM tp Doc ID 022065 Rev 2 t VRMVBR VCL Bidirectional SM30TY Table 2. Characteristics Electrical characteristics, parameter values (Tamb = 25 °C) Order code VCL @ IPP RD VCL @ IPP RD αT (2) 10/1000 µs 10/1000 µs 8/20 µs 8/20 µs VBR @ IR (1) IRM max @ VRM min typ max max max max Ω V(3) A(4) Ω 10-4/ °C 24.4 123.0 0.055 30.0 910 0.014 8.8 1 26.0 115.4 0.063 31.5 870 0.015 8.8 21.1 22.2 1 29.2 102.7 0.079 35.0 790 0.018 9.2 20 22.2 23.4 24.6 1 32.4 92.6 0.097 37.5 730 0.019 9.4 0.2 22 24.4 25.7 27.0 1 35.5 84.5 0.116 40.5 680 0.022 9.6 SM30T28AY/CAY 0.2 24 26.7 28.1 29.5 1 38.9 77.1 0.140 43.9 630 0.025 9.6 SM30T30AY/CAY 0.2 26 28.9 30.4 31.9 1 42.1 71.3 0.164 47.0 600 0.028 9.7 SM30T33AY/CAY 0.2 28 31.1 32.7 34.3 1 45.4 66.1 0.192 50.0 560 0.031 9.8 SM30T35AY/CAY 0.2 30 33.3 35.1 36.9 1 48.4 62.0 0.215 53.0 530 0.034 9.9 SM30T39AY/CAY 0.2 33 36.7 38.6 40.5 1 53.3 56.3 0.261 58.0 490 0.040 10 µA V V mA SM30T18AY/CAY 0.2 15 16.7 17.6 18.5 1 SM30T19AY/CAY 0.2 16 17.8 18.7 19.6 SM30T21AY/CAY 0.2 18 SM30T23AY/CAY 0.2 SM30T26AY/CAY 20 V(3) A(4) 1. Pulse test: tp < 50 ms 2. To calculate maximum clamping voltage at other surge level, use the following formula: VCLmax = VCL - RD x (IPP - IPPappli) where IPPappli is the surge current in the application 3. To calculate VBR or VCL versus junction temperature, use the following formulas: VBR @ TJ = VBR @ 25 °C x (1 + T x (TJ - 25)) VCL @ TJ = VCL @ 25 °C x (1 + T x (TJ - 25)) 4. Surge capability given for both directions for unidirectional and bidirectional types. Doc ID 022065 Rev 2 3/13 Characteristics Figure 3. SM30TY Peak pulse power dissipation versus initial junction temperature (typical value) 1000.0 PPP(W) 3500 Figure 4. Peak pulse power versus exponential pulse duration (Tj initial = 25 °C) PPP(kW) Tjinitial = 25 °C 10/1000 µs 3000 100.0 2500 2000 10.0 1500 1000 1.0 500 Tj(°C) 0 0 Figure 5. 1000.0 25 50 75 100 125 150 0.1 1.E-03 175 Clamping voltage versus peak pulse current (exponential waveform, maximum values) Figure 6. IPP(A) 10.0 Tjinitial = 25 °C tP(ms) 1.E-02 1.E-01 1.E+00 C(nF) F = 1 MHz VOSC = 30 mVRMS Tj = 25 °C 8/20 µs 10/1000 µs SM30T18AY 1.0 10.0 SM30T39AY/CAY SM30T26AY/CAY SM30T18AY/CAY VCL(V) 0.1 10 Figure 7. 10.0 1.E+02 Junction capacitance versus reverse applied voltage for unidirectional types (typical values) 100.0 1.0 1.E+01 100 Junction capacitance versus reverse applied voltage for bidirectional types (typical values) C(nF) SM30T39AY VR(V) 0.1 1 10 Figure 8. 1.E+03 100 Leakage current versus junction temperature (typical values) IR(nA) VR = VRM F = 1 MHz VOSC = 30 mVRMS Tj = 25 °C 1.E+02 SM30T18CAY 1.0 SM30T39CAY 1.E+01 VR(V) 0.1 1 4/13 10 100 1.E+00 25 Doc ID 022065 Rev 2 Tj(°C) 50 75 100 125 150 SM30TY Characteristics Figure 9. 100.0 Peak forward voltage drop versus peak forward current (typical values) Figure 10. Relative variation of thermal impedance, junction to ambient, versus pulse duration IFM(A) 1.00 Zth(j-a)/Rth(j-a) Recommended pad layout 10.0 Tj = 150 °C 0.10 Tj = 25 °C Single pulse 1.0 epoxy printed board, FR4 copper thickness = 35 µm 0.1 0.0 VFM(V) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 tp(s) 0.01 1.E-03 1.8 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 Figure 11. Thermal resistance junction to ambient versus copper surface under each lead 100 Rth(j-a)(°C/W) epoxy printed board, FR4 copper thickness = 35 µm 90 80 70 60 50 40 30 20 10 2 SCu(cm ) 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Doc ID 022065 Rev 2 4.0 4.5 5.0 5/13 Characteristics SM30TY Figure 12. ISO7637-2 pulse 1 response (VS = -100 V) Figure 13. ISO7637-2 pulse 2 response (VS = 50 V) 6/13 Doc ID 022065 Rev 2 SM30TY Characteristics Figure 14. ISO7637-2 pulse 3a response (VS = -150 V) Figure 15. ISO7637-2 pulse 3b response (VS = 100 V) Note: ISO7637-2 pulses responses are not applicable for product with a stand off voltage lower than the average battery voltage (13.5 V). Doc ID 022065 Rev 2 7/13 Application and design guidelines 2 SM30TY Application and design guidelines More information is available in the Application note AN2689 “Protection of automotive electronics from electrical hazards, guidelines for design and component selection”. 8/13 Doc ID 022065 Rev 2 SM30TY 3 Ordering information scheme Ordering information scheme Figure 16. Ordering information scheme SM 30T xx CA Y Surface mount Surge rating 30 = 3000 W Transil in SMC Breakdown voltage Type A = Unidirectinal CA = Bidirectional Automotive grade Doc ID 022065 Rev 2 9/13 Package information 4 SM30TY 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. Table 3. SMC dimensions Dimensions Ref. E1 D Max. Min. Max. A1 1.90 2.45 0.075 0.096 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 D 5.55 6.25 0.218 0.246 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 L 0.75 1.50 0.030 0.059 A1 A2 E2 L b Inches Min. E C Millimeters Figure 17. SMC footprint dimensions in Figure 18. Marking layout(1) mm (inches) 1.54 (0.061) 5.11 (0.201) 1.54 (0.061) Cathode bar (unidirectional devices only ) 3.14 (0.124) 8.19 (0.322) 1. Marking layout can vary according to assembly location. 10/13 Doc ID 022065 Rev 2 x x x z y ww ECOPACK compliance XXX: Marking Z: Manufacturing location Y: Year WW: week SM30TY Package information Table 4. Marking Order code Marking Order code Marking SM30T18AY 3AAHY SM30T18CAY 3BAHY SM30T19AY 3AAIY SM30T19CAY 3BAIY SM30T21AY 3AAJY SM30T21CAY 3BAJY SM30T23AY 3AAKY SM30T23CAY 3BAKY SM30T26AY 3AALY SM30T26CAY 3BALY SM30T28AY 3AAEY SM30T28CAY 3BAEY SM30T30AY 3AAMY SM30T30CAY 3BAMY SM30T33AY 3AANY SM30T33CAY 3BANY SM30T35AY 3AAOY SM30T35CAY 3BAOY SM30T39AY 3AAPY SM30T39CAY 3BAPY Doc ID 022065 Rev 2 11/13 Ordering information 5 SM30TY Ordering information Table 5. Ordering information Order code Marking Package Weight Base qty Delivery mode SM30TxxAY/CAY(1) See Table 4 on page 11 SMC 0.25 g 2500 Tape and reel 1. Where xxx is nominal value of VBR and A or CA indicates unidirectional or bidirectional version. See Table 2 for list of available devices and their order codes 6 Revision history Table 6. 12/13 Document revision history Date Revision Changes 28-Jul-2011 1 Initial release. 27-Mar-2012 2 Updated footnote on page 1. Removed Table 2. Thermal parameter. 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