component
MM3Z3V3
Public Made by Adomby adom
ST Semtech Zener Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMM3Z3V3
ST Semtech · Zener Diodes · SOD-323
MM3Z3V3 from ST Semtech, 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 terminal of the Zener diode, listed as pin 1 'Cathode' in the datasheet PINNING table. |
| 2 | Anode | passive | Anode terminal of the Zener diode, labelled '2 Anode' in the top view of the SC-76 outline. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ST Semtech |
| 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 (nominal 3.3 V) | VZT | 3.1 | 3.3 | 3.5 | V | at IZT 5 mA; VZT tested with pulses (20 ms) | 2 |
| Zener voltage tolerance | -5 | 5 | % | Features: tolerance approximately ±5% | 1 | ||
| Dynamic impedance | ZZT | 130 | Ω | at IZT 5 mA | 2 | ||
| Reverse leakage current | IR | 20 | μA | at VR 1 V | 2 | ||
| Forward voltage | VF | 0.9 | V | at IF 10 mA | 1 | ||
| Total power dissipation | Ptot | 300 | mW | 1 | |||
| Junction temperature | Tj | 150 | °C | 1 | |||
| Storage temperature range | Tstg | -55 | 150 | °C | 1 | ||
| Thermal resistance junction to ambient air | RθJA | 417 | °C/W | 1 |
CAD (KiCad official)
- Symbol:
MM3Z3V3 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
mm3z3v3-etched.step/mm3z3v3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm3z3v3.step/mm3z3v3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ST Semtech datasheet (4 pp, sha256
72319316ef11804c, retrieved 2026-10-23, 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).