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Contents

README

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MMBZ5232B

Slkor SLKORMICRO Elec · Zener Diodes · SOT-23

MMBZ5232B from Slkor SLKORMICRO Elec, in a SOT-23. 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 A passive Anode of the zener diode, per the connection diagram on page 1; VZ is 5.6V nominal (5.32V to 5.88V) at IZT=20mA.
2 NC unconnected No connection, marked 2 NC in the connection diagram on page 1.
3 K passive Cathode of the zener diode, per the connection diagram on page 1; power dissipation is 350mW maximum.

Key specifications

Parameter Value
Manufacturer Slkor SLKORMICRO Elec
Package SOT-23
Category Diodes
Pins 3

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 (nominal 5.6 V, Min/Max at IZT) VZ 5.32 5.6 5.88 V IZT=20 mA 2
Maximum Zener impedance ZZT 11 Ω IZT=20 mA 2
Maximum Zener impedance (knee) ZZK 1600 Ω IZK=0.25 mA 2
Maximum reverse leakage current IR 5 μA VR=3.0 V 2
Power dissipation Pd 350 mW Terminals kept at ambient temperature (note 1) 1
Operating and storage temperature range Tj, Tstg -65 150 ℃ 1
Thermal resistance, junction to ambient air RθjA 357 ℃/W Junction to ambient air 1

CAD (KiCad official)

  • Symbol: MMBZ5232B
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbz5232b-etched.step / mmbz5232b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbz5232b.step / mmbz5232b.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 8096af577e1c32df, retrieved 2026-10-18, 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