component
FM403
Public Made by Adomby adom
LRC Diodes - General Purpose, 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
markdownFM403
LRC · Diodes - General Purpose · DO-214AC(SMA)
FM403 from LRC, 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 | LRC |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | VRRM | 200 | V | FM403 column | 1 | ||
| Maximum RMS voltage | VRSM | 140 | V | FM403 column | 1 | ||
| Maximum DC blocking voltage | VDC | 200 | V | FM403 column | 1 | ||
| Maximum average forward rectified current | IF(AV) | 1 | A | 0.375" (9.5mm) lead length at TA = 75°C | 1 | ||
| Peak forward surge current | IFSM | 30 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -50 | 150 | °C | 1 | ||
| Maximum instantaneous forward voltage | VF | 0.7 | 1.1 | V | at 1.0A | 1 | |
| Maximum DC reverse current | IR | 5 | µA | TA = 25°C, at rated DC blocking voltage | 1 | ||
| Maximum DC reverse current | IR | 50 | µA | TA = 125°C, at rated DC blocking voltage | 1 | ||
| Typical thermal resistance | RθJA(C.T) | 75 | °C/W | Note 1: 8.0mm² (.013mm thick) land areas | 1 |
CAD (KiCad official)
- Symbol:
FM403 - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
fm403-etched.step/fm403-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fm403.step/fm403.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LRC datasheet (9 pp, sha256
dc33ef59cb97393e, retrieved 2026-10-15, 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).