component

SM4T10CAY

Public Made by Adom

by adom

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

componenttvs-fuse-board level protectionsm4t10cayfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
sm4t10cay / README.md
History Download
Ray Publish 0.1.0 99c9ccb 12d ago

SM4T10CAY

STMicroelectronics · TVS · SMA(DO-214AC)

SM4T10CAY from STMicroelectronics, in a SMA(DO-214AC). 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 SMA(DO-214AC)
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 max at VRM, 25 °C IRM 20 µA at VRM, 25 °C 3
Reverse leakage current max at VRM, 85 °C IRM 50 µA at VRM, 85 °C 3
Breakdown voltage VBR 9.4 9.9 10.4 V at IBR = 1 mA 3
Clamping voltage max, 10/1000 µs VCL 14.4 V 10/1000 µs, IPP = 27.7 A 3
Peak pulse current max, 10/1000 µs IPP 27.7 A 10/1000 µs, both directions 3
Dynamic resistance max, 10/1000 µs RD 0.145 Ω 10/1000 µs 3
Clamping voltage max, 8/20 µs VCL 19.5 V 8/20 µs, IPP = 124 A 3
Peak pulse current max, 8/20 µs IPP 124 A 8/20 µs, both directions 3
Dynamic resistance max, 8/20 µs RD 0.073 Ω 8/20 µs 3
Peak pulse voltage, IEC 61000-4-2 contact discharge VPP 30 kV IEC 61000-4-2, C = 150 pF, R = 330 Ω, contact discharge 2
Peak pulse voltage, IEC 61000-4-2 air discharge VPP 30 kV IEC 61000-4-2, C = 150 pF, R = 330 Ω, air discharge 2
Peak pulse voltage, ISO10605 contact discharge VPP 30 kV ISO10605, C = 330 pF, R = 330 Ω, contact discharge 2
Peakye ISO10605 air discharge VPP 30 kV ISO10605, C = 330 pF, R = 330 Ω, air discharge 2
Peak pulse power dissipation PPP 400 W 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

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 copper copper area under each lead 5

CAD (KiCad official)

  • Symbol: SM4T10CAY
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: STMicroelectronics datasheet (14 pp, sha256 84e42de0a72418e4, retrieved 2026-10-29, 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