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SM6T56CAY

Public Made by Adom

by adom

STMicroelectronics TVS, SMB(DO-214AA). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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SM6T56CAY

STMicroelectronics · TVS · SMB(DO-214AA)

SM6T56CAY from STMicroelectronics, in a SMB(DO-214AA). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SMB(DO-214AA)
Category TVS/Fuse/Board Level Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse leakage current at VRM IRM 0.2 µA 25 °C, at VRM 3
Reverse leakage current at VRM IRM 1 µA 85 °C, at VRM 3
Breakdown voltage VBR 47.6 56 58.8 V at IBR = 1 mA, Tamb = 25 °C 3
Clamping voltage 10/1000 µs VCL 76.6 V 10/1000 µs 3
Peak pulse current 10/1000 µs IPP 7.8 A 10/1000 µs 3
Dynamic resistance 10/1000 µs RD 2.28 Ω 10/1000 µs 3
Clamping voltage 8/20 µs VCL 100 V 8/20 µs 3
Peak pulse current 8/20 µs IPP 40 A 8/20 µs 3
Dynamic resistance 8/20 µs RD 1.03 Ω 8/20 µs 3
Voltage temperature coefficient αT 10 10-4/°C 3
Peak pulse power dissipation PPP 600 W 10/1000 µs, Tj initial = Tamb 2
Storage temperature range Tstg -65 150 °C 2
Operating junction temperature range Tj -55 150 °C 2
Maximum lead temperature for soldering TL 260 °C during 10 s 2
Peak pulse voltage ISO10605 contact discharge VPP 30 kV C = 330 pF, R = 330 Ω; contact discharge 2
Peak pulse voltage ISO10605 air discharge VPP 30 kV C = 330 pF, R = 330 Ω; air discharge 2
Peak pulse voltage ISO10605 / IEC 61000-4-2 contact discharge VPP 30 kV C = 150 pF, R = 330 Ω; contact discharge 2
Peak pulse voltage ISO10605 / IEC 61000-4-2 air discharge VPP 30 kV C = 150 pF, R = 330 Ω; air discharge 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Lead finishing: matte tin plating Complies with the following standards 1

CAD (KiCad official)

  • Symbol: SM6T56CAY
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: sm6t56cay-etched.step / sm6t56cay-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sm6t56cay.step / sm6t56cay.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (15 pp, sha256 a139eecdd64ba8b1, retrieved 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF