component

SM30T6.8CAY

Public Made by Adom

by adom

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

componentcircuit protectionsm30t6.8cayfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
sm30t6-8cay / README.md
History Download
Ray Publish 0.1.0 d5d10cc 17d ago

SM30T6.8CAY

STMicroelectronics · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)

SM30T6.8CAY from STMicroelectronics, in a SMC(DO-214AB). 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SMC(DO-214AB)
Category Circuit 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 (25 °C) IRM 20 µA at VRM = 5 V, 25 °C 3
Reverse leakage current (85 °C) IRM 50 µA at VRM = 5 V, 85 °C 3
Breakdown voltage VBR 6.4 6.8 7.1 V at IBR = 10 mA 3
Clamping voltage, 10/1000 µs surge VCL 9.2 V 10/1000 µs 3
Peak pulse current, 10/1000 µs surge IPP 327 A 10/1000 µs 3
Dynamic resistance, 10/1000 µs surge RD 6.42 mΩ 10/1000 µs 3
Clamping voltage, 8/20 µs surge VCL 14.4 V 8/20 µs 3
Peak pulse current, 8/20 µs surge IPP 1610 A 8/20 µs 3
Dynamic resistance, 8/20 µs surge RD 4.53 mΩ 8/20 µs 3
Peak pulse voltage, contact discharge VPP -30 30 kV ISO10605, C = 330 pF, R = 330 Ω, contact discharge 2
Peak pulse voltage, air discharge VPP -30 30 kV ISO10605, C = 330 pF, R = 330 Ω, air discharge 2
Peak pulse power dissipation PPP 3000 W Tj initial = Tamb 2
Storage temperature range Tstg -65 175 °C 2
Operating junction temperature range Tj -55 175 °C 2
Maximum lead temperature for soldering TL 260 °C during 10 s 2
Voltage temperature coefficient αT 5.7 10-4/°C 3

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: SM30T6.8CAY
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
  • 3D model files: sm30t6-8cay-etched.step / sm30t6-8cay-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sm30t6-8cay.step / sm30t6-8cay.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (16 pp, sha256 f6d47dc33b5be94c, retrieved 2026-10-16, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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