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MM5Z22

Public Made by Adom

by adom

Slkor(SLKORMICRO Elec.) Zener Diodes, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MM5Z22

Slkor(SLKORMICRO Elec.) · Zener Diodes · SOD-523

MM5Z22 from Slkor(SLKORMICRO Elec.), 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; MM5Z22 has a nominal Zener voltage of 22 V (20.8 to 23.3 V) at IZT = 2 mA and leakage of 0.1 µA max at VR = 17 V.
2 Anode passive Anode of the zener diode; forward voltage is 0.9 V max at IF = 10 mA and total device dissipation is 200 mW.

Key specifications

Parameter Value
Manufacturer Slkor(SLKORMICRO Elec.)
Package SOD-523
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 VZT 20.8 22 23.3 V at IZT = 2 mA, tested with pulses tp = 20 ms 2
Zener Impedance ZZT 55 Ω at IZT = 2 mA 2
Zener Impedance (knee) ZZK 100 Ω at IZK = 1 mA 2
Leakage Current IR 0.1 µA at VR = 17 V 2
Forward Voltage VF 0.9 V at IF = 10 mA, Ta = 25 °C 1
Total Device Dissipation Ptot 200 mW Ta = 25 °C 1
Junction and Storage Temperature Range Tj, Tstg -65 150 °C Ta = 25 °C 1

CAD (KiCad official)

  • Symbol: MM5Z22
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: mm5z22-etched.step / mm5z22-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm5z22.step / mm5z22.glb are the bare package body.

Provenance

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

  • Datasheet: Slkor(SLKORMICRO Elec.) datasheet (3 pp, sha256 dd7ed6552ebefaa6, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-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