SM6TY Datasheet Automotive 600 W TVS in SMB Features • AEC-Q101 qualified • Peak pulse power: 600 W (10/1000 μs) and 4 kW (8/20 μs) • Stand-off voltage range from 5 V to 188 V • Unidirectional and bidirectional types • Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C K • Operating Tj max: 150 °C • High power capability at T max.: up to 515 W (10/1000 µs) j • Lead finishing: matte tin plating Complies with the following standards A • UL94, V0 • J-STD-020 MSL level 1 Bidirectional Unidirectional • 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: Product status link – 4 kV • ISO10605, IEC 61000-4-2, C= 150 pF - R = 330 Ω exceeds level 4: SM6T6V8AY, SM6T6V8CAY, – 30 kV (air discharge) SM6T7V5AY, – 30 kV (contact discharge) SM6T7V5CAY, SM6T10AY, SM6T10CAY, • ISO10605 - C = 330 pF, R = 330 Ω exceeds level 4: SM6T12AY, SM6T12CAY, – 30 kV (air discharge) SM6T15AY, SM6T15CAY, – 30 kV (contact discharge) SM6T16V5AY, SM6T16V5CAY, • ISO7637-2 (Not applicable to parts with stand-off voltage lower than battery SM6T18AY, SM6T18CAY, voltage) SM6T22AY, SM6T22CAY, – Pulse1: V = -150 V SM6TY SM6T24AY, SM6T24CAY, S SM6T27AY, SM6T27CAY, – Pulse 2a: V = +112 V S SM6T30AY, SM6T30CAY, – Pulse 3a: V = -220 V SM6T33AY, SM6T33CAY, S SM6T36AY, SM6T36CAY, – Pulse 3b: V = +150 V S SM6T39AY, SM6T39CAY, SM6T42AY, SM6T42CAY, SM6T47AY, SM6T47CAY, Description SM6T56AY, SM6T56CAY, SM6T68AY, SM6T68CAY, The SM6TY series are designed to protect sensitive automotive circuits against SM6T75AY, SM6T75CAY, surges defined in ISO 7637-2 and against electrostatic discharges according to ISO SM6T82AY, SM6T82CAY 10605. 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. DS6905 - Rev 10 - May 2019 www.st.com For further information contact your local STMicroelectronics sales office.

SM6TY Characteristics 1 Characteristics Table 1. Absolute maximum ratings (T = 25 °C) amb Symbol Parameter Value Unit ISO10605 (C = 330 pF, R = 330 Ω): Contact discharge 30 Air discharge 30 VPP Peak pulse voltage kV ISO10605 / IEC 61000-4-2 (C = 150 pF, R = 330 Ω) Contact discharge 30 Air discharge 30 PPP Peak pulse power dissipation 10/1000 µs, Tj initial = Tamb 600 W Tstg 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 2. Electrical characteristics - parameter definitions Figure 3. Pulse definition for electrical characteristics DS6905 - Rev 10 page 2/15

SM6TY Characteristics Table 2. Electrical characteristics - parameter values (T = 25 °C, unless otherwise specified) amb 10 / 1000 µs 8 / 20µs IRM max at VRM VBR at IBR (1) αT VCL(2)(3) IPP(4) RD VCL(2)(3) IPP(4) RD Type 25 °C 85 °C Min. Typ. Max. Max. Max. Max. Max. Max. µA V V mA V A Ω V A Ω 10-4/°C SM6T6V8AY/CAY 20 50 5.80 6.45 6.8 7.14 10 10.5 57 0.059 14.4 275 0.027 5.7 SM6T7V5AY/CAY 20 50 6.40 7.13 7.5 7.88 10 11.3 53 0.065 15.2 266 0.027 6.1 SM6T10AY/CAY 20 50 8.55 9.5 10.0 10.5 1 14.5 41 0.098 18.6 215 0.038 7.3 SM6T12AY/CAY 0.2 1 10.2 11.4 12 12.6 1 16.7 36 0.114 21.7 184 0.049 7.8 SM6T15AY/CAY 0.2 1 12.8 14.3 15 15.8 1 21.2 28 0.193 27.2 147 0.078 8.4 SM6T16V5AY/CAY 0.2 1 14.1 15.7 16.5 17.3 1 23.1 26 0.254 29 136 0.092 8.6 SM6T18AY/CAY 0.2 1 15.3 17.1 18 18.9 1 25.2 24 0.263 32.5 123 0.111 8.8 SM6T22AY/CAY 0.2 1 18.8 20.9 22 23.1 1 30.6 20 0.375 39.3 102 0.159 9.2 SM6T24AY/CAY 0.2 1 20.5 22.8 24 25.2 1 33.2 18 0.444 42.8 93 0.189 9.4 SM6T27AY/CAY 0.2 1 23.1 25.7 27 28.4 1 37.5 16 0.569 48.3 83 0.240 9.6 SM6T30AY/CAY 0.2 1 25.6 28.5 30 31.5 1 41.5 14.5 0.690 53.5 75 0.293 9.7 SM6T33AY/CAY 0.2 1 28.2 31.4 33 34.7 1 45.7 13.1 0.840 59.0 68 0.357 9.8 SM6T36AY/CAY 0.2 1 30.8 34.2 36 37.8 1 49.9 12 1.01 64.3 62 0.427 9.9 SM6T39AY/CAY 0.2 1 33.3 37.1 39 41.0 1 53.9 11.1 1.16 69.7 57 0.504 10.0 SM6T42AY/CAY 0.2 1 36 40 42.1 44.2 1 58.1 10.3 1.35 76 52 0.611 10.0 SM6T47AY/CAY 0.2 1 40 44 46.7 49.0 1 64.5 9.7 1.59 84.0 48.0 0.728 10.1 SM6T56AY/CAY 0.2 1 47.6 53.2 56 58.8 1 76.6 7.8 2.28 100 40 1.030 10.0 SM6T68AY/CAY 0.2 1 58.1 64.6 68 71.4 1 92 6.5 3.17 121 33 1.503 10.4 SM6T75AY/CAY 0.2 1 64.1 71.3 75 78.8 1 103 5.8 4.17 134 30 1.84 10.5 SM6T82AY/CAY 0.2 1 70.0 77.8 81.9 86.0 1 113 5.5 4.91 146 27.0 2.22 10.5 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 DS6905 - Rev 10 page 3/15

SM6TY Characteristics (curves) 1.1 Characteristics (curves) Figure 4. Maximum peak power dissipation versus initial Figure 5. Maximum peak pulse power versus exponential junction temperature pulse duration P (W) 700 pp PPP(kW) 100.0 10/1000µs Tjinitial=25°C 600 500 10.0 400 300 1.0 200 100 0 Tj(°C) 0.1 tP(ms) 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+011 0 25 50 75 100 125 150 175 Figure 6. Maximum peak pulse current versus clamping Figure 7. Junction capacitance versus reverse applied voltage voltage (unidirectional types) IPP(A) C(pF) 1000.0 10000 Tjinitial=25°C f =1 MHz V =30mV OSC RMS T=25°C j 100.0 SM6T6V8AY 1000 8/20µs 10.0 10/1000µs SM6T30AY Y CA AY AY 100 1.0 AY/ Y/C Y/C SM6T82AY T6V8 3AT0 T82A 0.1 SM6 SM6 SM6 VCL(V) 10 VR(V) 1 10 100 1000 1 10 100 1000 DS6905 - Rev 10 page 4/15

SM6TY Characteristics (curves) Figure 8. Junction capacitance versus applied voltage Figure 9. Leakage current versus junction temperature (bidirectional type) I (nA) R C(pF) 1.E+03 10000 VOSfC==130MmHVzRMS VRVMR=<V1R0MV Tj=25°C 1.E+02 SM6T6V8CAY 1.E+01 1000 SM6T30CAY 1.E+00 VRVMR=≥V1R0MV Tj(°C) 100 SM6T82CAY VR(V) 1.E-0125 50 75 100 125 150 1 10 100 1000 Figure 10. Peak forward voltage drop versus peak forward Figure 11. Thermal impedance junction to ambient versus current pulse duration Z (°C/W) I (A) 1000 th(j-a) 1.0E+02 FM Single pulse on recommended footprint. Epoxy printed circuit board FR4, 70 µm Cu thickness 1.0E+01 Tj=125°C 100 1.0E+00 Tj=25°C 10 1.0E-01 VFM(V) 1.0E-02 tp (s) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1 0.01 0.1 1 10 100 1000 Figure 12. Thermal resistance junction to ambient versus Figure 13. ISO7637-2 pulse 1: Vs = -150 V with 12 V copper area under each lead (SMB) battery R (°C/W) th(j-a) 150 Single pulse on recommended footprint .Epoxy printed circuit board FR4, 70 µm Cu thickness 120 90 60 30 S (cm²) Cu 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 DS6905 - Rev 10 page 5/15

SM6TY Characteristics (curves) Figure 14. ISO7637-2 pulse 2a: Vs = +112 V with 12 V Figure 15. ISO7637-2 pulse 3a: Vs = -220 V with 12 V battery battery Figure 16. ISO7637-2 pulse 3b: Vs = +150 V with 12 V battery DS6905 - Rev 10 page 6/15

SM6TY 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 SMB package information Figure 17. SMB package outline E1 D E A1 C A2 L b Table 3. SMB package mechanical data Dimensions Ref. Millimeters Inches(1) Min. Max. Min. Max. A1 1.90 2.45 0.0748 0.0965 A2 0.05 0.20 0.0020 0.0079 b 1.95 2.20 0.0768 0.0867 c 0.15 0.40 0.0059 0.0157 D 3.30 3.95 0.1299 0.1556 E 5.10 5.60 0.2008 0.2205 E1 4.05 4.60 0.1594 0.1811 L 0.75 1.50 0.0295 0.0591 1. Values in inches are converted from mm DS6905 - Rev 10 page 7/15

SM6TY SMB package information Figure 18. SMB recommended footprint Figure 19. Marking layout 1.62 2.60 1.62 0.064 (0.102) 0.064 2.18 (0.086) 5.84 (0.230) millimeters (inches) Figure 20. Package orientation in reel Figure 21. Tape and reel orientation Bidirectional Unidirectional Taped according to EIA-481 Pocket dimensions are not on scale. Pocket shape may vary depending on package On bidirectional devices, marking and logo may not be always in the same direction. Figure 23. Inner box dimensions (mm) Figure 22. Reel dimensions (mm) DS6905 - Rev 10 page 8/15

SM6TY SMB package information Figure 24. Tape and reel outline Table 4. Tape and reel mechanical data Dimensions Ref. Millimeters Min. Typ. Max. ØD0 1.5 1.55 1.6 ØD1 1.5 F 5.4 5.5 5.6 K0 2.64 2.74 2.84 P0 3.9 4.0 4.1 P1 7.9 8.0 8.1 P2 1.9 2.0 2.1 W 11.7 12.0 12.3 DS6905 - Rev 10 page 9/15

SM6TY Reflow profile 2.2 Reflow profile Figure 25. ST ECOPACK® recommended soldering reflow profile for PCB mounting 240-245 °C Temperature (°C) 250 -2°C/s 2 - 3 °C/s 200 60sec (90max) -3°C/s 150 -6°C/s 100 0.9 °C/s 50 Time (s) 0 30 60 90 120 150 180 210 240 270 300 Note: Minimize air convection currents in the reflow oven to avoid component movement. Maximum soldering profile corresponds to the latest IPC/JEDEC J-STD-020. DS6905 - Rev 10 page 10/15

SM6TY 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”. DS6905 - Rev 10 page 11/15

SM6TY SM6TY Ordering information 4 Ordering information Figure 26. Ordering information scheme SM 6 T XX CA Y Surface mount Peak pulse power 6 = 600 W Transil in SMB 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 SM6TxxxAY / CAY See Table 6. Marking SMB 0.11 g 2500 Tape and reel DS6905 - Rev 10 page 12/15

SM6TY SM6TY Ordering information Table 6. Marking Order code Marking Order code Marking SM6T6V8AY DEY SM6T6V8CAY LEY SM6T7V5AY DGY SM6T7V5CAY LGY SM6T10AY DPY SM6T10CAY LPY SM6T12AY DTY SM6T12CAY LTY SM6T15AY DXY SM6T15CAY LXY SM6T16V5AY DZY SM6T16V5CAY LZY SM6T18AY EEY SM6T18CAY MEY SM6T22AY EKY SM6T22CAY MKY SM6T24AY EMY SM6T24CAY MMY SM6T27AY EPY SM6T27CAY MPY SM6T30AY ERY SM6T30CAY MRY SM6T33AY ETY SM6T33CAY MTY SM6T36AY EVY SM6T36CAY MVY SM6T39AY EXY SM6T39CAY MXY SM6T42AY FBY SM6T42CAY NAY SM6T47AY FAY SM6T47CAY NBY SM6T56AY FLY SM6T56CAY NLY SM6T68AY FQY SM6T68CAY NQY SM6T75AY FSY SM6T75CAY NSY SM6T82AY FWY SM6T82CAY NWY DS6905 - Rev 10 page 13/15

SM6TY Revision history Table 7. Document revision history Date Version Changes 15-Sep-2010 1 Initial release. Deleted old Table 2. Thermal parameter. Updated Table 2 and added order 18-Oct-2011 2 codes in Table 4. Updated Figure 5, Figure 10 and Figure 11. Updated Complies with the following standards on page 1. 27-Mar-2012 3 Added footnote on page 1. 26-Sep-2014 4 Updated Table 2 and Table 4. Reformatted to current standard. 19-Nov-2014 5 Updated Figure 7 and Figure 8. 05-Oct-2015 6 Updated Figure 17. Updated Table 2: "Electrical characteristics parameter values (Tamb = 25 °C, 09-Jan-2018 7 unless otherwise specified)". 16-Mar-2018 8 Updated revision numbering. 20-Mar-2018 9 Updated order code SM6T16V5AY/SM6T16V5CAY. Updated Section 1.1 Characteristics (curves) and Table 6. Marking. 02-May-2019 10 Added Section 2.2 Reflow profile and Section 3 Application and design guidelines. DS6905 - Rev 10 page 14/15

SM6TY 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. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2019 STMicroelectronics – All rights reserved DS6905 - Rev 10 page 15/15