component
SZMM3Z12VT1G
Public Made by Adomby adom
onsemi Zener Diodes, SOD-323. 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 | 9h ago |
| viewers | 9h ago |
| package.json | 9h ago |
| page.json | 9h ago |
| README.md | 9h ago |
| szmm3z12vt1g-etched.glb | 9h ago |
| szmm3z12vt1g-etched.step | 9h ago |
| szmm3z12vt1g-hero.glb | 9h ago |
| szmm3z12vt1g-hero.overlay.json | 9h ago |
| szmm3z12vt1g.glb | 9h ago |
| szmm3z12vt1g.kicad_mod | 9h ago |
| szmm3z12vt1g.kicad_sym | 9h ago |
| szmm3z12vt1g.lbr | 9h ago |
| szmm3z12vt1g.step | 9h ago |
SZMM3Z12VT1G
onsemi · Zener Diodes · SOD-323
SZMM3Z12VT1G from onsemi, 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, identified by the polarity band on the SOD-323 package. |
| 2 | Anode | passive | Anode terminal of the Zener diode, opposite the cathode in the SOD-323 package. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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 | VZ | 11.4 | 12 | 12.7 | V | @ IZT = 5 mA, pulse test, TA = 25°C | 2 |
| Maximum Zener Impedance | ZZT | 25 | Ω | @ IZT = 5 mA | 2 | ||
| Maximum Zener Impedance | ZZK | 80 | Ω | @ IZK = 0.5 mA | 2 | ||
| Reverse Leakage Current | IR | 0.1 | µA | @ VR = 8.0 V | 2 | ||
| Maximum Temperature Coefficient of VZ | VZ | 6 | 10 | mV/K | 2 | ||
| Max. Capacitance | C | 130 | pF | @ VR = 0 and f = 1 MHz | 2 | ||
| Forward Voltage | VF | 0.9 | V | @ IF = 10 mA | 2 | ||
| Total Device Dissipation FR-4 Board | PD | 300 | mW | @ TA = 25°C (Note 1, FR-4 board, 1 cm2 pad) | 1 | ||
| Derate above 25°C | PD | 2.4 | mW/°C | above 25°C | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 416 | °C/W | 1 | |||
| Junction and Storage Temperature Range | TJ, Tstg | -65 | 150 | °C | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | LEADS: Plated with Pb−Sn or Sn Only (Pb−Free) POLARITY: Cathode Indicated by Polarity Band | 1 |
CAD (KiCad official)
- Symbol:
SZMM3Z12VT1G - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
szmm3z12vt1g-etched.step/szmm3z12vt1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);szmm3z12vt1g.step/szmm3z12vt1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (5 pp, sha256
c3256d6f49d685e2, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusoff(skipped (clean text read)), 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).