component

BZT52B18

Public Made by Adom

by adom

XZT Zener Diodes, SOD-123. 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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docs Publish 0.1.0 · Ray 15d ago
viewers bzt52b18: viewers · Ray 15d ago
bzt52b18-etched.glb bzt52b18: factory component page (tier=lcsc) · Ray 15d ago
bzt52b18-etched.step bzt52b18: factory component page (tier=lcsc) · Ray 15d ago
bzt52b18-hero.glb bzt52b18: hero GLB from the etched model (keeps the MPN mark) · Ray 15d ago
bzt52b18-hero.overlay.json Publish 0.1.0 · Ray 15d ago
bzt52b18.glb Publish 0.1.0 · Ray 15d ago
bzt52b18.kicad_mod Publish 0.1.0 · Ray 15d ago
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bzt52b18.lbr Publish 0.1.0 · Ray 15d ago
bzt52b18.step Publish 0.1.0 · Ray 15d ago
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README.md Publish 0.1.0 · Ray 15d ago

BZT52B18

XZT · Zener Diodes · SOD-123

BZT52B18 from XZT, in a SOD-123. 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 (marked '−', end with the band on the package); the Zener is reverse-biased here with VZ = 17.64 V min to 18.36 V max at IZT = 5 mA for BZT52B18.
2 A passive Anode (marked '+' on the package outline); forward voltage VF is 0.9 V at IF = 10 mA, and power dissipation is limited to 500 mW.

Key specifications

Parameter Value
Manufacturer XZT
Package SOD-123
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: BZT52B18
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52b18-etched.step / bzt52b18-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52b18.step / bzt52b18.glb are the bare package body.

Provenance

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

  • Datasheet: XZT datasheet (4 pp, sha256 4aff1c4c63b365df, 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