component
MM5Z12VT5GF
Public Made by Adomby adom
Nexperia Zener Diodes, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownMM5Z12VT5GF
Nexperia · Zener Diodes · SOD-523
MM5Z12VT5GF from Nexperia, in a SOD-523. 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; the marking bar on the package indicates the cathode. |
| 2 | A | passive | Anode of the Zener diode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage (nominal 12 V) | VZ | 11.76 | 12.24 | V | Tj = 25 °C unless otherwise specified | 4 | |
| Series tolerance (working voltage) | -2 | 2 | % | Tolerance series ±2 % (Features) | 1 | ||
| Differential resistance | rdiff | 0.1 | Ω | 4 | |||
| Reverse current, IZ = 1 mA column | IR | 150 | µA | VR = 8.0 V; Tj = 25 °C unless otherwise specified | 4 | ||
| Reverse current, IZ = 5 mA column | IR | 10 | µA | VR = 8.0 V; Tj = 25 °C unless otherwise specified | 4 | ||
| Temperature coefficient | SZ | 6 | 10 | mV/K | IZ = 5 mA; Tj = 25 °C to 150 °C (Fig. 4/5 note) | 4 | |
| Diode capacitance | Cd | 105 | pF | f = 1 MHz; VR = 0 V | 4 | ||
| Forward voltage | VF | 0.9 | V | IF = 10 mA; pulse test tp ≤ 300 µs; δ ≤ 0.02 | 3 | ||
| Forward voltage | VF | 1.1 | V | IF = 100 mA; pulse test tp ≤ 300 µs; δ ≤ 0.02 | 3 | ||
| Forward current | IF | 200 | mA | 3 | |||
| Non-repetitive peak reverse power dissipation | PZSM | 40 | W | tp = 100 µs; square wave; Tamb = 25 °C; prior to surge | 3 | ||
| Total power dissipation | Ptot | 300 | mW | Tamb = 25 °C; FR4 PCB with ~35 mm² Cu area at cathode tab | 3 | ||
| Junction temperature | Tj | 150 | °C | 3 | |||
| Ambient temperature | Tamb | -55 | 150 | °C | 3 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Thermal resistance, junction to ambient | Rth(j-a) | 350 | K/W | In free air; FR4 PCB with ~35 mm² Cu area at cathode tab | 3 | ||
| Thermal resistance, junction to solder point | Rth(j-sp) | 65 | K/W | Soldering point of cathode tab | 3 |
CAD (KiCad official)
- Symbol:
MM5Z12VT5GF - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
mm5z12vt5gf-etched.step/mm5z12vt5gf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm5z12vt5gf.step/mm5z12vt5gf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (10 pp, sha256
08b4a2eadc28621c, retrieved 2026-10-16, 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).