component

PESD2ETH-AXR

Public Made by Adom

by adom

TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOT-143. 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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PESD2ETH-AXR

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-143

PESD2ETH-AXR from TECH PUBLIC, in a SOT-143. 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 GND power_in Common ground/anode node of the TVS array, the reference for the IO-to-GND junction capacitance (0.8 pF typ, 0.9 pF max at VR=0V, 1MHz).
2 IO1 bidirectional Protected data line steered by the diode bridge, with 5V max reverse working voltage and 0.3 pF typ IO-to-IO capacitance.
3 IO2 bidirectional Protected data line steered by the diode bridge, with 5V max reverse working voltage and 0.3 pF typ IO-to-IO capacitance.
4 VCC power_in Upper rail of the diode bridge, connected to the cathode of the internal TVS (VRWM 5V max, VBR 6.5V min at 1mA).

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-143
Category Circuit Protection
Pins 4

CAD (KiCad official)

  • Symbol: PESD2ETH-AXR
  • Footprint: Package_TO_SOT_SMD:SOT-143
  • 3D model: SOT-143 (KiCad packages3D, STEP)
  • 3D model files: pesd2eth-axr-etched.step / pesd2eth-axr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pesd2eth-axr.step / pesd2eth-axr.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 2ef3f00ffeb85a13, 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