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Ray Publish 0.1.0 2a7fc55 20d ago

ATV02W280B-HF

Comchip · ESD And Surge Protection (TVS/ESD) · SOD-123

ATV02W280B-HF from Comchip, in a SOD-123. 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 A1 passive Bidirectional TVS terminal with no polarity (the B suffix denotes bidirectional, and no cathode band applies); VRWM 28.0 V, VBR 31.10-34.40 V at 1 mA, VC max 45.4 V at IPP 4.41 A.
2 A2 passive Second bidirectional TVS terminal with no polarity, interchangeable with the other terminal; VRWM 28.0 V, 200 W peak pulse power at 10/1000µs.

Key specifications

Parameter Value
Manufacturer Comchip
Package SOD-123
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: ATV02W280B-HF
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: atv02w280b-hf-etched.step / atv02w280b-hf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atv02w280b-hf.step / atv02w280b-hf.glb are the bare package body.

Provenance

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

  • Datasheet: Comchip datasheet (5 pp, sha256 2545290f04f4cdc2, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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