component

ESD5621W

Public Made by Adom

by adom

TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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ESD5621W

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOD-323

ESD5621W from TECH PUBLIC, in a SOD-323. 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 IO passive Protected data or power line connection of the unidirectional TVS, with 12V max reverse working voltage and 1300W peak pulse power (8/20µs).
2 GND power_in Ground connection of the TVS diode, the opposite terminal to IO in the SOD-323 pin configuration diagram.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOD-323
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: ESD5621W
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: esd5621w-etched.step / esd5621w-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd5621w.step / esd5621w.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 01f7f63fd6d6b29a, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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