component

PESD3V3S4UD

Public Made by Adom

by adom

TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PESD3V3S4UD

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-23-6

PESD3V3S4UD from TECH PUBLIC, in a SOT-23-6. 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 IO1 passive Protected uni-directional line 1 (steering-diode input), rated for 3.3V reverse working voltage and ±30kV IEC 61000-4-2 air/contact discharge.
2 GND power_in Ground reference for the TVS array, shown joined internally to pin 5 in the pin configuration drawing.
3 IO2 passive Protected uni-directional line 2 (steering-diode input), rated for 3.3V reverse working voltage and ±30kV IEC 61000-4-2 air/contact discharge.
4 IO3 passive Protected uni-directional line 3 (steering-diode input), rated for 3.3V reverse working voltage and ±30kV IEC 61000-4-2 air/contact discharge.
5 GND power_in Ground reference for the TVS array, shown joined internally to pin 2 in the pin configuration drawing.
6 IO4 passive Protected uni-directional line 4 (steering-diode input), rated for 3.3V reverse working voltage and ±30kV IEC 61000-4-2 air/contact discharge.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-23-6
Category Circuit Protection
Pins 6

CAD (KiCad official)

  • Symbol: PESD3V3S4UD
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: pesd3v3s4ud-etched.step / pesd3v3s4ud-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pesd3v3s4ud.step / pesd3v3s4ud.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 79b47d16189bc156, retrieved 2026-10-09, 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