component

TPESD112-B1-02ELS

Public Made by Adom

by adom

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

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TPESD112-B1-02ELS

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-23-3

TPESD112-B1-02ELS from TECH PUBLIC, in a SOT-23-3. 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 1 passive Terminal 1 of the 1-line ESD protection diode, shown on the pin configuration diagram with a chamfered pad corner; protects against IEC 61000-4-2 ±18kV air and ±12kV contact discharge, with 5V reverse working voltage.
2 2 passive Terminal 2 of the 1-line ESD protection diode, connected through the diode symbol to terminal 1; 0.2 pF typical junction capacitance at VR = 0V, f = 1MHz.
3 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-23-3
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: TPESD112-B1-02ELS
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: tpesd112-b1-02els-etched.step / tpesd112-b1-02els-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tpesd112-b1-02els.step / tpesd112-b1-02els.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 2949402e9cdb2eb3, 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