component
MM1W4V3
Public Made by Adomby adom
Shandong Jingdao Microelectronics Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 9d ago |
| viewers | 9d ago |
| mm1w4v3-etched.glb | 9d ago |
| mm1w4v3-etched.step | 9d ago |
| mm1w4v3-hero.glb | 9d ago |
| mm1w4v3-hero.overlay.json | 9d ago |
| mm1w4v3.glb | 9d ago |
| mm1w4v3.kicad_mod | 9d ago |
| mm1w4v3.kicad_sym | 9d ago |
| mm1w4v3.lbr | 9d ago |
| mm1w4v3.step | 9d ago |
| package.json | 9d ago |
| page.json | 9d ago |
| README.md | 9d ago |
MM1W4V3
Shandong Jingdao Microelectronics · Zener Diodes · SOD-123
MM1W4V3 from Shandong Jingdao Microelectronics, 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 terminal of the planar Zener diode, marked on the SOD-123 package as pin 1 in the datasheet PINNING table. |
| 2 | Anode | passive | Anode terminal of the planar Zener diode, marked on the SOD-123 package as pin 2 in the datasheet PINNING table. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shandong Jingdao Microelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (MM1W4V3) | VZT | 4.06 | 4.3 | 4.56 | V | at IZT; VZT tested with pulses (20 ms); IZT value not legible in extracted text | 2 |
| Dynamic impedance | ZZT | 9 | Ω | at IZT | 2 | ||
| Reverse current | IR | 25 | μA | at VR = 1 V | 2 | ||
| Admissible zener current | IZM | 58 | mA | 2 | |||
| Power dissipation | PD | 1 | W | at TL=75°C | 1 | ||
| Operating and storage temperature range | Tj, Tstg | -55 | 150 | °C | 1 | ||
| Forward voltage | VF | 1.2 | V | at IF = 200 mA | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 300 | °C/W | junction to ambient, PCB mounted with 2.0" X 2.0" (5 X 5 cm) copper area pads | 1 |
CAD (KiCad official)
- Symbol:
MM1W4V3 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mm1w4v3-etched.step/mm1w4v3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm1w4v3.step/mm1w4v3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shandong Jingdao Microelectronics datasheet (3 pp, sha256
013135782e49243c, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).