component
MM3Z4V7B
Public Made by Adomby adom
onsemi Zener Diodes, SOD-323F. 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
markdownMM3Z4V7B
onsemi · Zener Diodes · SOD-323F
MM3Z4V7B from onsemi, in a SOD-323F. 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 | K | passive | Cathode, marked by the band on the SOD-323F package; the Zener voltage of the MM3Z4V7B is 4.61 V min, 4.7 V typ, 4.79 V max at IZT = 5 mA. |
| 2 | A | passive | Anode of the Zener diode; forward voltage is 1.0 V max at IF = 10 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-323F |
| 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 | VZ | 4.61 | 4.7 | 4.79 | V | @ IZT = 5 mA, pulse 10 ms | 2 |
| Zener Impedance | ZZT | 75 | Ω | @ IZT = 5 mA | 2 | ||
| Zener Impedance (knee) | ZZK | 470 | Ω | @ IZK = 1 mA | 2 | ||
| Reverse Current | IR | 2.7 | μA | @ VR = 2 V | 2 | ||
| Forward Voltage | VF | 1 | V | IF=10mA | 1 | ||
| VZ Tolerance | -2 | 2 | % | B Series | 1 | ||
| Power Dissipation | PD | 200 | mW | TA = 25°C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 150 | °C | TA = 25°C | 1 | |
| Maximum Junction Temperature | TJ | 150 | °C | TA = 25°C | 1 | ||
| Thermal Resistance, Junction to Ambient | RθJA | 595 | °C/W | Device mounted on FR-4 PCB minimum land pad | 1 |
CAD (KiCad official)
- Symbol:
MM3Z4V7B - Footprint:
Diode_SMD:D_SOD-323F - 3D model: SOD-323F (KiCad packages3D, STEP)
- 3D model files:
mm3z4v7b-etched.step/mm3z4v7b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm3z4v7b.step/mm3z4v7b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (6 pp, sha256
afd28b6e089c4074, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).