SM4T47CAY

SM4TxxAY, SM4TxxCAY Datasheet Automotive 400 W TVS in SMA Features • • • AEC-Q101 qualified Peak pulse power: – 400 W (10/1000 μs) – 2.3 kW (8/20 μs) Stand-off voltage range from 5 V to 70 V Unidirectional and bidirectional types Low leakage current: – 0.2 µA at 25 °C – 1 μA at 85 °C Operating Tj max: 150 °C • • JEDEC registered package outline Resin meets UL94, V0 • • • Product status link SM4T6V7AY, SM4T6V7CAY, Complies with the following standards SM4T7V6AY, SM4T7V6CAY, SM4T10AY, SM4T10CAY, • SM4T12AY, SM4T12CAY, SM4T14AY, SM4T14CAY, SM4T15AY, SM4T15CAY, • SM4T18AY, SM4T18CAY, SM4T21AY, SM4T21CAY, SM4T23AY, SM4T23CAY, SM4T26AY, SM4T26CAY, SM4T28AY, SM4T28CAY, SM4T30AY, SM4T30CAY, SM4T33AY, SM4T33CAY, SM4T35AY, SM4T35CAY, SM4T39AY, SM4T39CAY, SM4T47AY, SM4T47CAY, SM4T50AY, SM4T50CAY, SM4T56AY, SM4T56CAY, SM4T68AY, SM4T68CAY, SM4T82AY, SM4T82CAY • 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 (not applicable to parts with VRM lower than battery voltage 13.5 V): – Pulse 1: VS = -150 V – Pulse 2a: VS = +112 V – Pulse 3a: VS = -200 V – Pulse3b: VS = +150 V Description The SM4TY series are designed to protect sensitive automotive 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 long term reliability and stability. SM4TY devices are packaged in SMA (SMA footprint in accordance with IPC 7531 standard). DS6927 - Rev 5 - January 2022 For further information contact your local STMicroelectronics sales office. www.st.com SM4TxxAY, SM4TxxCAY Characteristics 1 Characteristics Table 1. Absolute maximum ratings (Tamb = 25 °C) Symbol Parameter Value Unit IEC 61000-4-2 (C = 150 pF, R = 330 Ω) VPP Peak pulse voltage Contact discharge 30 Air discharge 30 ISO10605 (C = 330 pF, R = 330 Ω) kV Contact discharge 30 Air discharge 30 Tj initial = Tamb 400 W PPP Peak pulse power dissipation 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 1. Electrical characteristics - parameter definitions Figure 2. Pulse definition for electrical characteristics DS6927 - Rev 5 page 2/14 SM4TxxAY, SM4TxxCAY Characteristics Table 2. Electrical characteristics - parameter values (Tamb = 25 °C, unless otherwise specified) Type 25 °C 85°C 10 / 1000 µs VBR at IR (1) IRM max at VRM VCL(2)(3) Min. Typ. Max. 8 / 20µs IPP(4) Max. RD VCL(2)(3) Max. Max. IPP(4) RD αT Max. Max. µA µA V V V V mA V A Ω V A Ω 10-4/°C SM4T6V7AY/CAY 20 50 5 6.4 6.74 7.1 10 9.2 43.5 0.049 13.4 174 0.036 5.7 SM4T7V6AY/CAY 20 50 6.5 7.2 7.58 8 10 11.2 35.7 0.091 14.5 160 0.041 6.1 SM4T10AY/CAY 20 50 8.5 9.4 9.9 10.4 1 14.4 27.7 0.145 19.5 124 0.073 7.3 SM4T12AY/CAY 0.2 1 10 11.1 11.7 12.3 1 17 23.5 0.201 21.7 106 0.089 7.8 SM4T14AY/CAY 0.2 1 12 13.3 14 14.7 1 19.9 20.1 0.259 25.3 91 0.116 8.3 SM4T15AY/CAY 0.2 1 13 14.4 15.2 16 1 21.5 18.6 0.298 27.2 85 0.132 8.4 SM4T18AY/CAY 0.2 1 15 16.7 17.6 18.5 1 24.4 16.4 0.361 32.5 71 0.197 8.8 SM4T21AY/CAY 0.2 1 18 20.0 21.1 22.2 1 29.2 13.7 0.514 39.3 59 0.291 9.2 SM4T23AY/CAY 0.2 1 20 22.2 23.4 24.6 1 32.4 12.3 0.637 42.8 54 0.338 9.4 SM4T26AY/CAY 0.2 1 22 24.4 25.7 27 1 35.5 11.2 0.760 48.3 48 0.444 9.6 SM4T28AY/CAY 0.2 1 24 26.7 28.1 29.5 1 38.9 10.3 0.912 50 46 0.446 9.6 SM4T30AY/CAY 0.2 1 26 28.9 30.4 31.9 1 42.1 9.5 1.07 53.5 43 0.502 9.7 SM4T33AY/CAY 0.2 1 28 31.1 32.7 34.3 1 45.4 8.8 1.26 59 39 0.632 9.8 SM4T35AY/CAY 0.2 1 30 33.3 35.1 36.9 1 48.4 8.3 1.39 64.3 36 0.762 9.9 SM4T39AY/CAY 0.2 1 33 36.7 38.6 40.5 1 53.3 7.5 1.70 69.7 33 0.884 10 SM4T47AY/CAY 0.2 1 40 44.4 46.7 49 1 64.5 6.2 2.49 84 27 1.30 10.1 SM4T50AY/CAY 0.2 1 43 47.8 50.3 52.8 1 69.4 5.7 2.91 91 25 1.53 10.2 SM4T56AY/CAY 0.2 1 48 53.3 56.1 58.9 1 77.4 5.2 3.56 100 23 1.79 10.3 SM4T68AY/CAY 0.2 1 58 64.4 67.8 71.2 1 93.6 4.3 5.21 121 19 2.62 10.4 SM4T82AY/CAY 0.2 1 70 77.8 81.9 86 1 113 3.5 7.72 146 16 3.75 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 = VCL - RD x (IPP - IPPappli) where IPP appli is the surge current in the application 4. Surge capability given for both directions for unidirectional and bidirectional devices DS6927 - Rev 5 page 3/14 SM4TxxAY, SM4TxxCAY Characteristics (curves) 1.1 Characteristics (curves) Figure 3. Maximum peak power dissipation versus initial junction temperature PPP (W) 500 Figure 4. Maximum peak pulse power versus exponential pulse duration 10 PPP (kW) Tj initial = 25 °C 10/1000 µs 400 300 1 200 100 Tj (°C) 0 0 25 50 75 100 125 150 175 Figure 5. Maximum peak pulse current versus clamping voltage IPP (A) 1000 t p (ms) 0.1 0.01 0.1 1 10 Figure 6. Dynamic resistance versus pulse duration RD (Ω) 100 8/20 µs 10/1000 µs 10 100 SM4T82AY/CAY 1 SM4T30AY/CAY 10 0.1 SM4T6V7AY/CAY SM4T82A/CAY SM4T30A/CAY SM4T6V7A/CAY 1 0.01 VCL (V) 0.1 1 10 100 0.001 0.01 t p (ms) 0.1 1 10 1000 Figure 7. Junction capacitance versus reverse applied voltage (unidirectional type) Figure 8. Junction capacitance versus applied voltage (bidirectional type) C (pF) C (pF) 10000 10000 f = 1 MHz Vosc = 30 mV RMS Tj = 25 °C f = 1 MHz Vosc = 30 mV RMS Tj = 25 °C SM4T6V7AY 1000 SM4T6V7AY 1000 SM4T30AY SM4T30AY 100 100 SM4T82AY SM4T82AY VR (V) 10 1 DS6927 - Rev 5 10 100 VR (V) 10 1000 1 10 100 1000 page 4/14 SM4TxxAY, SM4TxxCAY Characteristics (curves) Figure 9. Leakage current versus junction temperature Figure 10. Peak forward voltage drop versus peak forward current IR (nA) IF (A) 1000 100.0 VR = VRM single pulse 100 10.0 VRM < 10 V 10 Tj = 125 °C VRM ≥ 10 V 1 Tj = 25 °C 1.0 T j (°C) 0 25 50 75 100 125 VF (V) 150 0.1 0 Figure 11. Thermal impedance junction to ambient versus pulse duration 0.5 1.5 2 2.5 3 3.5 Figure 12. Thermal resistance junction to ambient versus copper area under each lead Rth(j-a) (°C/W) Zth(j-a) (°C/W) 160 1000 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 140 120 100 100 80 60 10 40 20 t p (s) 1 0.01 0.1 1 10 100 1000 Figure 13. ISO7637-2 pulse 1: Vs = -150 V with 12 V battery DS6927 - Rev 5 SCu (cm²) 0 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 5/14 SM4TxxAY, SM4TxxCAY Characteristics (curves) Figure 15. ISO7637-2 pulse 3a: Vs = -220 V with 12 V battery DS6927 - Rev 5 Figure 16. ISO7637-2 pulse 3b: Vs = +150 V with 12 V battery page 6/14 SM4TxxAY, SM4TxxCAY 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 SMA package information Figure 17. SMA package outline E1 D E A1 C A2 L b Table 3. SMA package mechanical data Dimensions Millimeters Ref. Inches Min. Max. Min. Max. A1 1.90 2.45 0.074 0.097 A2 0.05 0.20 0.001 0.008 b 1.25 1.65 0.049 0.065 c 0.15 0.40 0.005 0.016 D 2.25 2.90 0.088 0.115 E 4.80 5.35 0.188 0.211 E1 3.95 4.60 0.155 0.182 L 0.75 1.50 0.029 0.060 DS6927 - Rev 5 page 7/14 SM4TxxAY, SM4TxxCAY SMA package information Figure 18. SMA recommended footprint in mm (inches) 1.40 (0.055) 2.63 (0.104) Figure 19. SMA marking 1.40 (0.055) 1.64 (0.065) 5.43 (0.214) Figure 20. Package orientation in reel Figure 21. Tape and reel orientation Figure 22. 13'' reel dimension values Figure 23. Inner box dimension values DS6927 - Rev 5 page 8/14 SM4TxxAY, SM4TxxCAY SMA package information Figure 24. Tape outline Table 4. Tape dimension values Dimensions Millimeters Ref. DS6927 - Rev 5 Min. Typ. Max. D0 1.40 1.50 1.60 D1 1.50 F 5.40 5.50 5.60 K0 2.26 2.36 2.46 P0 3.90 4.00 4.10 P1 3.90 4.00 4.10 P2 1.95 2.00 2.05 W 11.70 12.00 12.30 page 9/14 SM4TxxAY, SM4TxxCAY 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: DS6927 - Rev 5 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 10/14 SM4TxxAY, SM4TxxCAY 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”. DS6927 - Rev 5 page 11/14 SM4TxxAY, SM4TxxCAY Ordering information 4 Ordering information Table 5. Ordering information Order code Marking Package Weight Base qty. Delivery mode SM4TxxAY/CAY(1) See Table 6. Marking. SMA 72 mg 5000 Tape and reel 1. Where xx is nominal value of VBR and A or CA indicates unidirectional or bidirectional version. Table 6. Marking Order code Note: DS6927 - Rev 5 Marking Order code Marking SM4T6V7AY AEY SM4T6V7CAY AAY SM4T7V6AY DUCY SM4T7V6CAY DBCY SM4T10AY DUHY SM4T10CAY DBHY SM4T12AY AXY SM4T12CAY ACY SM4T14AY DUKY SM4T14CAY DBKY SM4T15AY BGY SM4T15CAY BHY SM4T18AY BMY SM4T18CAY AJY SM4T21AY DUQY SM4T21CAY DBQY SM4T23AY DURY SM4T23CAY DBRY SM4T26AY DUSY SM4T26CAY DBSY SM4T28AY DUTY SM4T28CAY DBTY SM4T30AY DUUY SM4T30CAY DBUY SM4T33AY CGY SM4T33CAY CHY SM4T35AY CKY SM4T35CAY CLY SM4T39AY CMY SM4T39CAY CNY SM4T47AY DUZY SM4T47CAY DBZY SM4T50AY EUAY SM4T50CAY EBAY SM4T56AY CXY SM4T56CAY CYY SM4T68AY EUFY SM4T68CAY EBFY SM4T82AY EUIY SM4T82CAY EBIY Marking differentiation between unidirectional and bidirectional devices is done with cathode bar. page 12/14 SM4TxxAY, SM4TxxCAY Revision history Table 7. Document revision history DS6927 - Rev 5 Date Version Changes 08-Sep-2010 1 Initial release. 09-Nov-2011 2 Added order codes in Table 2 and Table 4. Updated Figure 5, 6 and 7. 27-Mar-2012 3 Added footnote on page 1. 05-Oct-2015 4 Updated Table 1. 26-Jan-2022 5 Minor text changes. page 13/14 SM4TxxAY, SM4TxxCAY 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. © 2022 STMicroelectronics – All rights reserved DS6927 - Rev 5 page 14/14