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SM6T220A-E3

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Vishay Intertech TVS, DO-214AA(SMBJ). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SM6T220A-E3

Vishay Intertech · TVS · DO-214AA(SMBJ)

SM6T220A-E3 from Vishay Intertech, in a DO-214AA(SMBJ). 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 Cathode passive Cathode terminal of the unidirectional TVS, marked by the cathode band; the device is unidirectional with VWM 188 V and VBR 209 V to 231 V for SM6T220A.
2 Anode passive Anode terminal of the unidirectional TVS, at the end opposite the cathode band; clamps at max 328 V at 2.00 A (10/1000 μs).

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package DO-214AA(SMBJ)
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
Breakdown voltage VBR 209 231 V at IT = 1.0 mA 2
Test current IT 1 mA 2
Stand-off voltage VWM 188 V 2
Maximum reverse leakage ID 1 μA at VWM 2
Maximum clamping voltage 10/1000 μs VC 328 V at IPPM = 2.00 A (10/1000 μs) 2
Maximum clamping voltage 8/20 μs VC 388 V at IPPM = 10.3 A (8/20 μs) 2
Temperature coefficient of breakdown voltage αT 10.8 10-4/°C 2
Peak power dissipation PPPM 600 W 10/1000 μs waveform, TA = 25 °C 1
Power dissipation on infinite heatsink PD 5 W TA = 50 °C 1
Peak forward surge current IFSM 100 A 10 ms single half sine-wave, unidirectional only 1
Operating junction and storage temperature range TJ, TSTG -65 150 °C 1
Thermal resistance, junction to ambient RθJA 100 °C/W Mounted on minimum recommended pad layout 2
Thermal resistance, junction to lead RθJL 20 °C/W Mounted on minimum recommended pad layout 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 Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 1

CAD (KiCad official)

  • Symbol: SM6T220A-E3
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA(SMBJ) (KiCad packages3D, STEP)
  • 3D model files: sm6t220a-e3-etched.step / sm6t220a-e3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sm6t220a-e3.step / sm6t220a-e3.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (5 pp, sha256 d61f5d933238dda6, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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