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Contents

README

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MM1W15L

Shandong Jingdao Microelectronics · Zener Diodes · SOD-123FL

MM1W15L from Shandong Jingdao Microelectronics, in a SOD-123FL. 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, shown as pin 1 in the PINNING table and on the symbol for the SOD-123FL package.
2 Anode passive Anode terminal of the zener diode, shown as pin 2 in the PINNING table and on the symbol for the SOD-123FL package.

Key specifications

Parameter Value
Manufacturer Shandong Jingdao Microelectronics
Package SOD-123FL
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 (min) VZT 13.8 V at IZT = 5 mA; VZT tested with pulses (20 ms) 2
Zener voltage (nominal) VZT 15 V at IZT = 5 mA; VZT tested with pulses (20 ms) 2
Zener voltage (max) VZT 15.8 V at IZT = 5 mA; VZT tested with pulses (20 ms) 2
Dynamic impedance ZZT 14 Ω at IZT = 5 mA 2
Reverse current IR 5 μA at VR = 11 V 2
Admissible zener current IZM 17 mA 2
Total power dissipation PD 1 W at TL = 75°C 1
Operating and storage temperature range Tj, Tstg -55 150 °C 1
Thermal resistance, junction to ambient RθJA 55 °C/W junction to ambient, PCB mounted with 2.0" x 2.0" (5 x 5 cm) copper pads 1
Forward voltage VF 1.2 V at IF = 200 mA 1

CAD (KiCad official)

  • Symbol: MM1W15L
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: mm1w15l-etched.step / mm1w15l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm1w15l.step / mm1w15l.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 770c2f89557b65a4, 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