SM15T18AY

SM15TxxAY, SM15TxxCAY Datasheet Automotive 1500 W TVS in SMC Features K • • • • • • AEC-Q101 qualified Peak pulse power: 1500 W (10/1000 μs) and 10 kW (8/20 μs) Stand-off voltage range from 5.8 V to 70 V Unidirectional and bidirectional types Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C Operating Tj max: 150 °C • High power capability at Tj max.: up to 1250 W (10/1000 µs) • Lead finishing: matte tin plating Complies with the following standards • • • SM15T24AY, SM15T24CAY, UL94, V0 J-STD-020 MSL level 1 J-STD-002, JESD 22-B102 E3 and MIL-STD-750, method 2026 solderable matte tin plated leads JESD-201 class 2 whisker test IPC7531 footprint JEDEC registered package outline IEC 61000-4-4 level 4: – 4 kV ISO10605, IEC 61000-4-2, C= 150 pF - R = 330 Ω exceeds level 4: – 30 kV (air discharge) – 30 kV (contact discharge) ISO10605 - C = 330 pF, R = 330 Ω exceeds level 4: – 30 kV (air discharge) – 30 kV (contact discharge) ISO7637-2 (Not applicable to parts with stand-off voltage lower than battery voltage) – Pulse1: VS = -150 V SM15T27AY, SM5T27CAY, – Pulse 2a: VS = +112 V SM15T30AY, SM15T30CAY, – Pulse 3a: VS = -220 V SM15T33AY, SM15T33CAY, – Pulse 3b: VS = +150 V A Bidirectional Unidirectional • • • • Product status link SM15T6V8AY, SM15T6V8CAY, • SM15T7V5AY, SM15T7V5CAY, SM15T10AY, SM15T10CAY, SM15T12AY, SM15T12CAY, • SM15T15AY, SM15T15CAY, SM15T18AY, SM15T18CAY, SM15T22AY, SM15T22CAY, • SM15T36AY, SM15T36CAY, SM15T39AY, SM15T39CAY, Description SM15T47AY, SM15T47CAY, The SM15TY series are designed to protect sensitive automotive circuits against surges defined in ISO 7637-2 and against electrostatic discharges according to ISO 10605. SM15T56AY, SM15T56CAY, SM15T58AY, SM15T68CAY, SM15T75AY, SM15T75CAY, SM15T82AY, SM15T82CAY The Planar technology makes it compatible with high-end circuits where low leakage current and high junction temperature are required to provide long term reliability and stability. DS6928 - Rev 6 - December 2021 For further information contact your local STMicroelectronics sales office. www.st.com SM15TxxAY, SM15TxxCAY Characteristics 1 Characteristics Table 1. Absolute maximum ratings (Tamb = 25 °C) Symbol Parameter Value Unit ISO10605 (C = 330 pF, R = 330 Ω): VPP Peak pulse voltage Contact discharge 30 Air discharge 30 kV ISO10605 / IEC 61000-4-2 (C = 150 pF, R = 330 Ω) PPP Peak pulse power dissipation Tstg Contact discharge 30 Air discharge 30 10/1000 µs, Tj initial = Tamb 1500 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 Figure 1. Electrical characteristics - parameter definitions Figure 2. Pulse definition for electrical characteristics DS6928 - Rev 6 page 2/15 SM15TxxAY, SM15TxxCAY Characteristics Table 2. Electrical characteristics - parameter values (Tamb = 25 °C, unless otherwise specified) Type 25 °C 85 °C µA 10 / 1000 µs VBR at IBR (1) IRM max at VRM VCL Min. Typ. Max. V V (2)(3) (4) IPP Max. 8 / 20µs RD VCL (2)(3) Max. Max. IPP(4) RD αT Max. Max. mA V A Ω V A Ω 10-4/°C SM15T6V8AY/CAY 500 2000 5.80 6.45 6.8 7.14 10 10.5 143 0.023 13.4 746 0.008 5.7 SM15T7V5AY/CAY 250 1000 6.40 7.13 7.5 7.88 10 11.3 132 0.026 14.5 690 0.01 6.1 SM15T10AY/CAY 10 50 8.55 9.5 10 10.5 1 14.5 103 0.039 18.6 538 0.015 7.3 SM15T12AY/CAY 0.2 1 10.2 11.4 12 12.6 1 16.7 90 0.046 21.7 461 0.02 7.8 SM15T15AY/CAY 0.2 1 12.8 14.3 15 15.8 1 21.2 71 0.076 27.2 368 0.031 8.4 SM15T18AY/CAY 0.2 1 15.3 17.1 18 18.9 1 25.2 59.5 0.106 32.5 308 0.044 8.8 SM15T22AY/CAY 0.2 1 18.8 20.9 22 23.1 1 30.6 49 0.153 39.3 254 0.064 9.2 SM15T24AY/CAY 0.2 1 20.5 22.8 24 25.2 1 33.2 45 0.178 42.8 234 0.075 9.4 SM15T27AY/CAY 0.2 1 23.1 25.7 27 28.4 1 37.5 40 0.228 48.3 207 0.076 9.6 SM15T30AY/CAY 0.2 1 25.6 28.5 30 31.5 1 41.5 36 0.278 53.5 187 0.12 9.7 SM15T33AY/CAY 0.2 1 28.2 31.4 33 34.7 1 45.7 33 0.333 59 169 0.14 9.8 SM15T36AY/CAY 0.2 1 30.8 34.2 36 37.8 1 49.9 30 0.403 64.3 156 0.17 9.9 SM15T39AY/CAY 0.2 1 33.3 37.1 39 41.0 1 53.9 28 0.461 69.7 143 0.2 10 SM15T47AY/CAY 0.2 1 40.2 44.7 47 49.4 1 64.5 84 119 0.291 10.1 SM15T56AY/CAY 0.2 1 53.3 56 58.9 1 77.4 20 0.925 100 100 0.411 10.3 SM15T68AY/CAY 0.2 1 58.1 64.6 68 71.4 1 92 16.3 1.26 121 83 0.6 10.4 SM15T75AY/CAY 0.2 1 64.1 71.3 75 78.8 1 103 14.6 1.66 134 75 0.74 10.5 SM15T82AY/CAY 0.2 1 82 86 1 113 13.9 1.94 146 69 0.87 10.5 48 70 77.8 23.2 0.653 1. To calculate VBR versus Tj : VBR at Tj = VBR at 25 °C x (1 + αT x (Tj - 25)) 2. To calculate VCL versus Tj : VCL at Tj = VCL at 25 °C x (1 + αT x (Tj - 25)) 3. To calculate VCL max versus IPPappli: VCLmax = VBR max + RD x IPPappli 4. Surge capability given for both directions for unidirectional and bidirectional devices DS6928 - Rev 6 page 3/15 SM15TxxAY, SM15TxxCAY Characteristics (curves) 1.1 Characteristics (curves) Figure 3. Maximum peak power dissipation versus initial junction temperature Ppp (W) 2000 Figure 4. Maximum peak pulse power versus exponential pulse duration 100000 PPP (W) Tj initial = 25 °C 10/1000 µs 1500 10000 1000 1000 500 Tj (°C) 0 0 25 50 75 100 125 150 175 Figure 5. Maximum peak pulse current versus clamping voltage 10000 0.01 0.1 1 10 100 Figure 6. Dynamic resistance versus pulse duration 100 Ipp (A) tp (ms) 100 0.001 RD (Ω) 8/20 µs 10 10/1000 µs 1000 1 SM15T82AY/CAY 100 0.1 SM15T30AY/CAY 10 SM15T82AY/CAY 1 SM15T30AY/CAY 0.1 SM15T15AY/CAY SM15T6V8AY/CAY 1 SM15T15AY/CAY 10 0.01 VCL (V) 100 tp (ms) 0.001 0.01 0.1 1 10 100 1000 Figure 7. Junction capacitance versus reverse applied voltage (unidirectional type) 10000 SM15T6V8AY/CAY C (pF) Figure 8. Junction capacitance versus applied voltage (bidirectional type) 10000 C (pF) f=1MHz Vosc=30mVRMS Tj=25°C f=1MHz Vosc=30mVRMS Tj=25°C SM15T6V8AY SM15T6V8CAY SM15T15AY SM15T15CAY 1000 1000 SM15T30AY SM15T30CAY SM15T82CAY SM15T82AY VR (V) 100 1 DS6928 - Rev 6 10 100 1000 VR (V) 100 1 10 100 1000 page 4/15 SM15TxxAY, SM15TxxCAY Characteristics (curves) Figure 9. Leakage current versus junction temperature 10000 IR (nA) Figure 10. Peak forward voltage drop versus peak forward current IF (A) 100 VR=VRM single pulse 1000 VRM < 10V 10 Tj=125 °C 100 Tj=25 °C VRM ≥ 10V 1 10 Tj (°C) 1 25 50 75 100 125 150 Figure 11. Thermal impedance junction to ambient versus pulse duration 0.5 1 1.5 2 2.5 3 Figure 12. Thermal resistance junction to ambient versus copper area under each lead Rth(j-a) (°C/W) Zth(j-a) (°C/W) 1000 VF (V) 0 0 120 Single pulse on recommended footprint. Epoxy printed circuit board FR4, 70 µm Cu thickness Single pulse on recommended footprint. Epoxy printed circuit board FR4, 70 µm Cu thickness 100 80 100 60 40 10 20 tp (s) 1 0.1 1 10 100 Figure 13. ISO7637-2 pulse 1: Vs = -150 V with 12 V battery DS6928 - Rev 6 SCu (cm²) 0 1000 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Figure 14. ISO7637-2 pulse 2a: Vs = +112 V with 12 V battery page 5/15 SM15TxxAY, SM15TxxCAY Characteristics (curves) Figure 15. ISO7637-2 pulse 3a: Vs = -220 V with 12 V battery DS6928 - Rev 6 Figure 16. ISO7637-2 pulse 3b: Vs = +150 V with 12 V battery page 6/15 SM15TxxAY, SM15TxxCAY Package information 2 Package information 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. 2.1 SMC package information Figure 17. SMC package outline E1 D E A1 A2 b C L E2 Table 3. SMC package mechanical data Dimensions Millimeters Ref. DS6928 - Rev 6 Inches (for reference only) Min. 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 0.060 page 7/15 SM15TxxAY, SM15TxxCAY SMC package information Figure 18. Footprint recommendation Figure 19. Marking layout 1.54 (0.061) 5.11 (0.201) 1.54 (0.061) 3.14 (0.124) 8.19 (0.323) millimeters (inches) Figure 20. Package orientation in reel Figure 22. 13'' reel dimension values (mm) DS6928 - Rev 6 Figure 21. Tape and reel orientation Figure 23. Inner box dimension values (mm) page 8/15 SM15TxxAY, SM15TxxCAY SMC package information Figure 24. Tape outline Table 4. Tape dimension values Dimensions Millimeters Ref. DS6928 - Rev 6 Min. Typ. Max. D0 1.4 1.5 1.6 D1 1.5 F 7.4 7.5 7.6 K0 2.39 2.49 2.59 P0 3.9 4.0 4.1 P1 7.9 8.0 8.1 P2 1.9 2.0 2.1 W 15.7 16 16.3 page 9/15 SM15TxxAY, SM15TxxCAY Reflow profile 2.2 Reflow profile Figure 25. ST ECOPACK recommended soldering reflow profile for PCB mounting 250 240-245 °C Temperature (°C) -2 °C/s 2 - 3 °C/s 60 sec (90 max) 200 -3 °C/s 150 -6 °C/s 100 0.9 °C/s 50 Time (s) 0 Note: DS6928 - Rev 6 30 60 90 120 150 180 210 240 270 300 Minimize air convection currents in the reflow oven to avoid component movement. Maximum soldering profile corresponds to the latest IPC/JEDEC J-STD-020. page 10/15 SM15TxxAY, SM15TxxCAY Application and design guidelines 3 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”. DS6928 - Rev 6 page 11/15 SM15TxxAY, SM15TxxCAY Ordering information 4 Ordering information Figure 26. Ordering information scheme SM 15 T XX CA Y Surface mount Peak pulse power 15 =1500 W TVS in SMC Breakdown voltage 30 = 30 V Types CA = Bidirectional A = Unidirectional Automotive grade Table 5. Ordering information Order code Marking Package Weight Base qty. Delivery mode SM15TxxxAY / CAY(1) See Table 6. Marking SMC 0.25 g 2500 Tape and reel 1. Where xx is a nominal value of VBR and A or CA indicates unidirectional or bidirectional type. DS6928 - Rev 6 page 12/15 SM15TxxAY, SM15TxxCAY Ordering information Table 6. Marking Order code DS6928 - Rev 6 Marking Order code Marking SM15T6V8AY MDEY SM15T6V8CAY BDEY SM15T7V5AY MDGY SM15T7V5CAY BDGY SM15T10AY MDPY SM15T10CAY BDPY SM15T12AY MDTY SM15T12CAY BDTY SM15T15AY MDXY SM15T15CAY BDXY SM15T18AY MEEY SM15T18CAY BEEY SM15T22AY MEKY SM15T22CAY BEKY SM15T24AY MEMY SM15T24CAY BEMY SM15T27AY MEPY SM15T27CAY BEPY SM15T30AY MERY SM15T30CAY BERY SM15T33AY METY SM15T33CAY BETY SM15T36AY MEVY SM15T36CAY BEVY SM15T39AY MEXY SM15T39CAY BEXY SM15T47AY MFAY SM15T47CAY BFAY SM15T56AY MFBY SM15T56CAY BFBY SM15T68AY MFPY SM15T68CAY BFPY SM15T75AY MFOY SM15T75CAY BFOY SM15T82AY MFRY SM15T82CAY BFRY page 13/15 SM15TxxAY, SM15TxxCAY Revision history Table 7. Document revision history Date Revision Changes 15-Sep-2010 1 Initial release. 18-Oct-2011 2 Deleted old Table 2. Thermal parameter. Updated Table 2 and added order codes in Table 4. Updated Figure 5, Figure 10 and Figure 11. Updated Complies with the following standards on page 1. DS6928 - Rev 6 27-Mar-2012 3 Added footnote on page 1. 06-Oct-2021 4 08-Oct-2021 5 Updated SM15T18AY product link. 22-Dec-2021 6 Updated Figure 11 and Table 2. Updated Section 1.1 Characteristics (curves). Minor text changes. page 14/15 SM15TxxAY, SM15TxxCAY IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. 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