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ESD3.3V52D-C

Public Made by Adom

by adom

TECH PUBLIC Electrostatic And Surge Protection (TVS/ESD), SOD-523. 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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ESD3.3V52D-C

TECH PUBLIC · Electrostatic And Surge Protection (TVS/ESD) · SOD-523

ESD3.3V52D-C from TECH PUBLIC, in a SOD-523. 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 K passive Cathode of the uni-directional TVS diode, connected to the protected power or I/O line (VRWM 3.3V max, breakdown 5V min at 1mA).
2 A passive Anode of the uni-directional TVS diode, connected to ground/return of the protected line.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOD-523
Category TVS/Fuse/Board Level Protection
Pins 2

CAD (KiCad official)

  • Symbol: ESD3.3V52D-C
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: esd3-3v52d-c-etched.step / esd3-3v52d-c-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd3-3v52d-c.step / esd3-3v52d-c.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 69e4c419253fbfe4, retrieved 2026-10-22, 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