component

TPRCLAMP0503F

Public Made by Adom

by adom

TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOT353. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPRCLAMP0503F

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT353

TPRCLAMP0503F from TECH PUBLIC, in a SOT353. 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 ESD-protected I/O line 1 (steering diode pair to pin 5 and GND), with I/O-to-GND capacitance of 1.0 pF max and I/O-to-I/O 0.5 pF typ.
2 GND power_in Ground reference of the TVS array, connected to the cathode side of the lower steering diodes and the TVS diode.
3 IO2 passive ESD-protected I/O line 2 (steering diode pair to pin 5 and GND), protected to IEC 61000-4-2 ±25kV air and ±20kV contact.
4 IO3 passive ESD-protected I/O line 3 (steering diode pair to pin 5 and GND), clamping at 15V max at 1A (8/20µs).
5 VCC power_in Positive rail of the steering diodes and TVS cathode, with reverse working voltage of 5V max and breakdown of 6V min at 1mA.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT353
Category Circuit Protection
Pins 5

CAD (KiCad official)

  • Symbol: TPRCLAMP0503F
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT353 (KiCad packages3D, STEP)
  • 3D model files: tprclamp0503f-etched.step / tprclamp0503f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tprclamp0503f.step / tprclamp0503f.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 29940a4e5ab7b136, 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