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Contents

README

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MM3Z5V1

Shandong Jingdao Microelectronics · Zener Diodes · SOD-323

MM3Z5V1 from Shandong Jingdao Microelectronics, in a SOD-323. 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; MM3Z5V1 has 5.1V nominal zener voltage (4.8V to 5.4V at IZT = 5 mA) and 200 mW maximum power dissipation.
2 Anode passive Anode of the zener diode; forward voltage is 0.9 V at IF = 10 mA and operating and storage temperature range is -55 to +150 °C.

Key specifications

Parameter Value
Manufacturer Shandong Jingdao Microelectronics
Package SOD-323
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 4.8 5.1 5.4 V at IZT = 5 mA, pulse 20 ms 2
Test Current IZT 5 mA 2
Dynamic Impedance ZZT 130 Ω at IZT 2
Reverse Current IR 2 μA at VR = 1.5 V 2
Forward Voltage VF 0.9 V IF = 10 mA 1
Power Dissipation Ptot 200 mW Ta = 25 °C 1
Operating and Storage Temperature Range Tj, Tstg -55 150 °C 1
Thermal Resistance Junction to Ambient RθJA 417 °C/W PCB mounted, 2.0" x 2.0" copper pads 1
Zener Voltage Tolerance -5 5 % approximately 1

CAD (KiCad official)

  • Symbol: MM3Z5V1
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: mm3z5v1-etched.step / mm3z5v1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm3z5v1.step / mm3z5v1.glb are the bare package body.

Provenance

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

  • Datasheet: Shandong Jingdao Microelectronics datasheet (3 pp, sha256 a2a64f5f00e4182f, 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