component

TPD3V3F4U6S

Public Made by Adom

by adom

TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPD3V3F4U6S

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-363

TPD3V3F4U6S from TECH PUBLIC, in a SOT-363. 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 I/O1 passive ESD-protected I/O line with steering diodes to the VCC and GND rails, rated for 3.3V reverse working voltage and 0.8pF max capacitance to GND.
2 GND power_in Ground pin connected to the anode of the internal TVS zener and the lower steering-diode rail, used as the reference for I/O clamping.
3 I/O2 passive ESD-protected I/O line with steering diodes to the VCC and GND rails, rated for 3.3V reverse working voltage and 0.8pF max capacitance to GND.
4 I/O3 passive ESD-protected I/O line with steering diodes to the VCC and GND rails, rated for 3.3V reverse working voltage and 0.8pF max capacitance to GND.
5 VCC power_in Positive rail pin connected to the upper steering-diode rail and TVS zener cathode, with a clamping voltage of 12V typ at Ipp=8A (VCC pin to ground).
6 I/O4 passive ESD-protected I/O line with steering diodes to the VCC and GND rails, rated for 3.3V reverse working voltage and 0.8pF max capacitance to GND.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-363
Category Circuit Protection
Pins 6

CAD (KiCad official)

  • Symbol: TPD3V3F4U6S
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: tpd3v3f4u6s-etched.step / tpd3v3f4u6s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tpd3v3f4u6s.step / tpd3v3f4u6s.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 5edaf860f3ce2afd, retrieved 2026-10-17, 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