component

BZT52C3V9T

Public Made by Adom

by adom

TECH PUBLIC Zener Diodes, 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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BZT52C3V9T

TECH PUBLIC · Zener Diodes · SOD-523

BZT52C3V9T 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 CATHODE passive Cathode of the Zener diode (marked with the band); Zener voltage 3.9 V min to 4.1 V max (3.7 V nominal) at IZT = 5 mA.
2 ANODE passive Anode of the Zener diode; power dissipation is 150 mW at Tamb = 25°C.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOD-523
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: BZT52C3V9T
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: bzt52c3v9t-etched.step / bzt52c3v9t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c3v9t.step / bzt52c3v9t.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (5 pp, sha256 c50a437425013d1e, 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