component
SMAZ12-MS
Public Made by Adomby adom
MSKSEMI Zener Diodes, SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownSMAZ12-MS
MSKSEMI · Zener Diodes · SMA(DO-214AC)
SMAZ12-MS from MSKSEMI, in a SMA(DO-214AC). 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 banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SMA(DO-214AC) |
| 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 (min) | VZ | 11.4 | V | @ IZT = 50 mA; short duration test pulse (Note 2) | 3 | ||
| Zener voltage (max) | VZ | 12.6 | V | @ IZT = 50 mA; short duration test pulse (Note 2) | 3 | ||
| Zener voltage nominal | VZ | 12 | V | Nom column; @ IZT = 50 mA | 3 | ||
| Standard VZ tolerance | -5 | 5 | % | Standard VZ tolerance per Features | 2 | ||
| Maximum zener impedance | ZZT | 7 | Ω | @ IZT = 50 mA | 3 | ||
| Maximum zener impedance at knee | ZZK | 150 | Ω | @ IZK = 1.0 mA | 3 | ||
| Maximum reverse leakage current | IR | 1 | μA | @ VR = 9.1 V | 3 | ||
| Maximum DC zener current | IZM | 83 | mA | P.C.B. mounted on 1.0" x 0.85" x 0.062" copper pads (Note 1) | 3 | ||
| DC power dissipation | PD | 1 | W | Ta = 50 °C (Note 1) | 2 | ||
| Maximum forward voltage | VF | 1.2 | V | IF = 200 mA | 2 | ||
| Junction and storage temperature range | TSTG | -65 | 150 | °C | 2 | ||
| Thermal resistance junction to ambient | RθJA | 125 | °C | Note 1: P.C.B. mounted on 1.0" x 0.85" x 0.062" copper pads | 2 |
CAD (KiCad official)
- Symbol:
SMAZ12-MS - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaz12-ms-etched.step/smaz12-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaz12-ms.step/smaz12-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (5 pp, sha256
75b1764359d5e887, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).