component
1SMA4736A
Public Made by Adomby adom
HUXN Zener Diodes, DO-214AC(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
markdown1SMA4736A
HUXN · Zener Diodes · DO-214AC(SMA)
1SMA4736A from HUXN, in a DO-214AC(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 | HUXN |
| Package | DO-214AC(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 tolerance (standard, suffix A) | VZ | -5 | 5 | % | Standard tolerance on nominal zener voltage (note 1) | 2 | |
| Maximum zener impedance | ZZT | 3.5 | Ω | @ IZT 37 mA | 2 | ||
| Maximum zener impedance at knee | ZZK | 700 | Ω | @ IZK 1.0 mA | 2 | ||
| Maximum reverse leakage current | IR | 50 | µA | @ VR 4.0 V | 2 | ||
| Maximum zener current | IZM | 133 | mA | 2 | |||
| Maximum DC surge current | IRM | 660 | mApk | Non-repetitive 8.3 ms square-wave pulse (note 2) | 2 | ||
| DC power dissipation | PD | 1 | W | TL = 75 °C (note 1) | 1 | ||
| Maximum forward voltage | VF | 1.2 | V | IF = 200 mA | 1 | ||
| Junction temperature range | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | Ts | -55 | 150 | °C | 1 | ||
| Nominal zener voltage | VZ | 6.8 | V | @ IZT 37 mA | 2 |
CAD (KiCad official)
- Symbol:
1SMA4736A - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
1sma4736a-etched.step/1sma4736a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma4736a.step/1sma4736a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HUXN datasheet (3 pp, sha256
9cb3cc6f73b905a1, 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).