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MMSZ4700T1G

Public Made by Adom

by adom

onsemi Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, 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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MMSZ4700T1G

onsemi · Zener Diodes · SOD-123

MMSZ4700T1G from onsemi, 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 Cathode passive Cathode of the Zener diode, identified by the polarity band on the SOD-123 package; the datasheet gives no separate electrical limit for this pin.
2 Anode passive Anode of the Zener diode; the datasheet specifies VF = 0.9 V max at IF = 10 mA for the device.

Key specifications

Parameter Value
Manufacturer onsemi
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
Reverse Zener Voltage @ IZT VZ 12.35 13 13.65 V @ IZT 3
Reverse Leakage Current @ VR IR 0.05 µA @ VR = 9.8 V 3
Total Power Dissipation on FR-5 Board PD 500 mW FR-5 board (Note 1) @ TL = 75°C 1
Junction and Storage Temperature Range TJ, Tstg -55 150 °C 1
Thermal Resistance, Junction-to-Ambient RJA 340 °C/W Note 2 1
Thermal Resistance, Junction-to-Lead RJL 150 °C/W Note 2 1

CAD (KiCad official)

  • Symbol: MMSZ4700T1G
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: mmsz4700t1g-etched.step / mmsz4700t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz4700t1g.step / mmsz4700t1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (7 pp, sha256 641826f72dd5abd1, retrieved 2026-10-18, 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