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MMSZ4715

Public Made by Adom

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Changjing Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMSZ4715

Changjing · Zener Diodes · SOD-123

MMSZ4715 from Changjing, 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 lead marked "−" on the package outline drawing and on the banded end of the body; the zener reverse voltage VZ is specified at IZT with this pin positive relative to the anode.
2 A passive Anode, the lead marked "+" on the package outline drawing; forward voltage VF is 0.9 V at IF = 10 mA.

Key specifications

Parameter Value
Manufacturer Changjing
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
Power Dissipation PD 500 mW Mounted on 1 in2 FR-4 board with 2oz. Copper, still air, Ta=25℃ (note 1) 1
Thermal Resistance, Junction to Ambient Air RθJA 250 ℃/W 1
Forward voltage VF 0.9 V IF=10mA, tested with pulses Tp≤1.0ms (note 2) 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: MMSZ4715
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: mmsz4715-etched.step / mmsz4715-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz4715.step / mmsz4715.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (4 pp, sha256 68ead5ee34de6d65, retrieved 2026-10-17, 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