component

BZT52B43

Public Made by Adom

by adom

XZT Zener Diodes, SOD-123. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint convention, 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
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers bzt52b43: symbol repaired (D_Zener, cathode pad 1) · Ray
bzt52b43-etched.glb Publish 0.1.0 · Ray
bzt52b43-etched.step bzt52b43: factory component page (tier=lcsc) · Ray
bzt52b43-hero.glb bzt52b43: hero GLB from the etched model (keeps the MPN mark) · Ray
bzt52b43-hero.overlay.json Publish 0.1.0 · Ray
bzt52b43.glb Publish 0.1.0 · Ray
bzt52b43.kicad_mod Publish 0.1.0 · Ray
bzt52b43.kicad_sym bzt52b43: symbol repaired (D_Zener, cathode pad 1) · Ray
bzt52b43.lbr bzt52b43: symbol repaired (D_Zener, cathode pad 1) · Ray
bzt52b43.step Publish 0.1.0 · Ray
package.json Brief: a diode is polarised (pin 1 = cathode); the "Unpolarised two-terminal part" sentence was wrong · Ray
page.json brief: polarity sentence corrected · Ray
README.md Publish 0.1.0 · Ray

BZT52B43

XZT · Zener Diodes · SOD-123

BZT52B43 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Zener voltage VZ 41.16 43 43.84 V @IZT 2 mA, nominal 43 V 2
Maximum zener impedance ZZT 130 Ω @IZT 2 mA 2
Maximum zener impedance at knee ZZK 350 Ω @IZK 0.5 mA 2
Maximum reverse current IR 0.1 μA @VR 29.4 V 2
Typical temperature coefficient 36.4 45.2 mV/°C @IZTC 2 mA 2
Forward voltage VF 0.9 V @ IF = 10mA 1
Power dissipation Pd 500 mW Mounted on 1 in2 FR-4 board, still air, Ta=25 ℃ 1
Operating junction and storage temperature range TJ,Tstg -55 150 ℃ 1
Thermal resistance junction to ambient RθJA 250 /W 1

CAD (KiCad official)

  • Symbol: BZT52B43
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52b43-etched.step / bzt52b43-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52b43.step / bzt52b43.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 2026-10-28, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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