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MM5Z9V1

Public Made by Adom

by adom

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

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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

MM5Z9V1

ST(Semtech) · Zener Diodes · SOD-523

MM5Z9V1 from ST(Semtech), 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 terminal of the Zener diode, as listed in the datasheet PINNING table for the SOD-523 package.
2 Anode passive Anode terminal of the Zener diode, as shown in the SOD-523 top view and PINNING table.

Key specifications

Parameter Value
Manufacturer ST(Semtech)
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 8.5 9.1 9.6 V at IZT = 5 mA; tested with pulses tp = 20 ms 2
Zener impedance ZZT 15 Ω at IZT = 5 mA 2
Zener impedance ZZK 160 Ω at IZK = 1 mA 2
Leakage current IR 0.5 µA at VR = 6 V 2
Forward voltage VF 0.9 V at IF = 10 mA 1
Total device dissipation Ptot 200 mW Ta = 25 OC 1
Junction and storage temperature range Tj, Tstg -65 150 °C 1

CAD (KiCad official)

  • Symbol: MM5Z9V1
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: mm5z9v1-etched.step / mm5z9v1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm5z9v1.step / mm5z9v1.glb are the bare package body.

Provenance

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

  • Datasheet: ST(Semtech) datasheet (4 pp, sha256 35904b7235d682ae, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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