component
1SMA5929A
Public Made by Adomby adom
hongjiacheng Zener Diodes, DO-214AC(SMA). Pinout cross-checked by two models against the datasheet, 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
markdown1SMA5929A
hongjiacheng · Zener Diodes · DO-214AC(SMA)
1SMA5929A from hongjiacheng, 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, marked by the cathode line on the package; positive terminal for reverse zener operation (VZ 14.25V min to 15.75V max at IZT=25mA for the 1SMA5929A). |
| 2 | A | passive | Anode terminal of the zener diode; forward voltage VF is 1.5V at IF=200mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal Zener voltage (VZ), min | VZ | 14.25 | V | IZT=25 mA | 2 | ||
| Nominal Zener voltage (VZ), max | VZ | 15.75 | V | IZT=25 mA | 2 | ||
| Nominal Zener voltage (VZ) | VZ | 15 | V | IZT=25 mA | 2 | ||
| Maximum Zener impedance | ZZT | 9 | Ω | @ IZT=25 mA | 2 | ||
| Maximum Zener impedance | ZZK | 600 | Ω | @ IZK=0.25 mA | 2 | ||
| Reverse leakage current | IR | 1 | μA | @ VR=11.4 V | 2 | ||
| Admissible Zener current | IZM | 100 | mA | 2 | |||
| Power dissipation | PD | 1500 | mW | Tc=75℃ | 1 | ||
| Forward voltage | VF | 1.5 | V | IF=200mA | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Junction temperature | Tj | -55 | 150 | ℃ | 1 | ||
| Typical thermal resistance, junction to ambient | RθJ-A | 250 | ℃ /W | 1 |
CAD (KiCad official)
- Symbol:
1SMA5929A - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
1sma5929a-etched.step/1sma5929a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma5929a.step/1sma5929a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (4 pp, sha256
1e55beed7cd7d4fa, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).