component
SMFJ30CA
Public Made by Adomby adom
FUXINSEMI ESD And Surge Protection (TVS/ESD), SOD-123. 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
markdownSMFJ30CA
FUXINSEMI · ESD And Surge Protection (TVS/ESD) · SOD-123
SMFJ30CA from FUXINSEMI, in a SOD-123. 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 | 1 | passive | Bi-directional TVS terminal with no polarity (no cathode band), interchangeable with the other terminal; SMFJ30CA has VRWM 30 V, VBR 33.3-36.8 V at 1.0 mA, and VC 48.4 V at IPP 4.2 A. |
| 2 | 2 | passive | Bi-directional TVS terminal with no polarity (no cathode band), interchangeable with the other terminal; peak pulse power is 200 W (10x1000us at TA=25C). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | SOD-123 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
SMFJ30CA - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
smfj30ca-etched.step/smfj30ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smfj30ca.step/smfj30ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FUXINSEMI datasheet (5 pp, sha256
eed1f33f3fcd93ef, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(vision), consensusclaude-opus-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).