component
SMA3Z9.1A
Public Made by Adomby adom
ZHIDE Zener Diodes, SMA. 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
markdownSMA3Z9.1A
ZHIDE · Zener Diodes · SMA
SMA3Z9.1A from ZHIDE, in a SMA. 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 | ZHIDE |
| Package | SMA |
| 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 minimum (VZ MIN.) | VZ | 8.65 | V | @IZT = 2.5 mA | 3 | ||
| Zener voltage maximum (VZ MAX.) | VZ | 9.56 | V | @IZT = 2.5 mA | 3 | ||
| Maximum Zener impedance (ZZT MAX.) | ZZT | 82 | Ω | @IZT = 2.5 mA | 3 | ||
| Maximum Zener impedance (ZZK MAX.) | ZZK | 700 | Ω | @IZK = 0.50 mA | 3 | ||
| Maximum reverse leakage current (IR) | IR | 10 | uA | @VR = 7.0 V | 3 | ||
| Maximum DC Zener current (IZM) | IZM | 297 | mA | 3 | |||
| Maximum forward voltage | VF | 1.2 | V | if = 200mA | 1 | ||
| DC power dissipation | PD | 3 | W | TL = 75 °C (note 1), lead temperature at 3/8 in (9.5 mm) from body | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Junction temperature range | TJ | -55 | 150 | °C | 1 | ||
| Nominal Zener voltage (VZ AVE.) | VZ | 9.1 | V | @IZT = 2.5 mA | 3 |
CAD (KiCad official)
- Symbol:
SMA3Z9.1A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
sma3z9-1a-etched.step/sma3z9-1a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sma3z9-1a.step/sma3z9-1a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ZHIDE datasheet (3 pp, sha256
59b9f967a08f245f, retrieved 2026-10-21, 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).