component
1SMA4754A
Public Made by Adomby adom
FOSAN 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
markdown1SMA4754A
FOSAN · Zener Diodes · SMA(DO-214AC)
1SMA4754A from FOSAN, 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 | FOSAN |
| 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 (nominal) | VZ | 37.2 | 39 | 41.5 | V | @IZT = 6.5 mA | 2 |
| Forward voltage | VF | 1.5 | V | @ IF=200mA | 1 | ||
| Power dissipation, Ta=25℃ | PD(Ta=25℃) | 500 | mW | Ta=25℃ | 1 | ||
| Power dissipation, TL=75℃ | PD(TL=75℃) | 1000 | mW | TL=75℃ | 1 | ||
| Junction and storage temperature | TJ,Tstg | -55 | 150 | ℃ | Printed as 150℃,-55to+150℃ (TJ max 150℃; Tstg -55 to +150℃) | 1 | |
| Thermal resistance junction-to-lead | RθJL | 50 | ℃/W | 1 | |||
| Thermal resistance junction-to-ambient | RθJA | 250 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
1SMA4754A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
1sma4754a-etched.step/1sma4754a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma4754a.step/1sma4754a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FOSAN datasheet (4 pp, sha256
f11b8999d6e9fd26, 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).