component
1SMAZ5931B
Public Made by Adomby adom
Suzhou Good-Ark Elec 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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Contents
README
markdown1SMAZ5931B
Suzhou Good-Ark Elec · Zener Diodes · SMA
1SMAZ5931B from Suzhou Good-Ark Elec, 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 | Suzhou Good-Ark Elec |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum zener impedance ZZT at IZT | ZZT | 12 | Ω | at IZT 20.8 mA | 2 | ||
| Maximum zener impedance ZZK at IZK | ZZK | 650 | Ω | at IZK 0.25 | 2 | ||
| Maximum reverse leakage current | IR | 1 | uA | at VR 13.7 V | 2 | ||
| Maximum regulator current | IZM | 83 | mA | 2 | |||
| Power dissipation | Ptot | 1.5 | W | TL=75 | 1 | ||
| Junction temperature | Tj | 150 | °C | 1 | |||
| Storage temperature range | TS | -55 | 150 | °C | 1 | ||
| Nominal zener voltage tolerance (suffix B) | Vz | -5 | 5 | % | suffix B (±5%) | 2 | |
| Nominal zener voltage | Vz | 18 | V | at IZT 20.8 mA | 2 |
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 | • Terminal:Matte tin plated leads, solderable per J-STD-002 and JESD22B-106 • Polarity:Indicated by cathode band | 1 |
CAD (KiCad official)
- Symbol:
1SMAZ5931B - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
1smaz5931b-etched.step/1smaz5931b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1smaz5931b.step/1smaz5931b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Suzhou Good-Ark Elec datasheet (4 pp, sha256
58d6fed6c6b0dde4, 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).