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BZT52B4V3S

Public Made by Adom

by adom

Slkor SLKORMICRO Elec Zener Diodes, SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library 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
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BZT52B4V3S

Slkor SLKORMICRO Elec · Zener Diodes · SOD-323

BZT52B4V3S from Slkor SLKORMICRO Elec, in a SOD-323. 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 Slkor SLKORMICRO Elec
Package SOD-323
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 4.21 4.3 4.39 V @IZT = 5 mA, Ta=25℃ 2
Maximum Zener Impedance ZZT 90 Ω @IZT = 5 mA, f = 1kHz 2
Maximum Zener Impedance (knee) ZZK 600 Ω @IZK = 1.0 mA, f = 1kHz 2
Maximum Reverse Current IR 3 μA @VR = 1.0 V 2
Typical Temperature Coefficient -3.5 0 mV/°C @IZTC = 5 mA 2
Forward Voltage VF 0.9 V @ IF = 10mA 1
Power Dissipation Pd 200 mW Ta=25℃, Note 1 1
Thermal Resistance from Junction to Ambient RθJA 625 /W 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Zener Test Current IZT 5 mA Test current for VZ and ZZT 2

CAD (KiCad official)

  • Symbol: BZT52B4V3S
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: bzt52b4v3s-etched.step / bzt52b4v3s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52b4v3s.step / bzt52b4v3s.glb are the bare package body.

Provenance

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

  • Datasheet: Slkor SLKORMICRO Elec datasheet (4 pp, sha256 a5445129722ec12c, retrieved 2026-10-22, 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