component
SMF18CA 18CA
Public Made by Adomby adom
Shenzhen Jinkaisheng Elec TVS, SOD-123F. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 11d ago |
| viewers | 11d ago |
| package.json | 11d ago |
| page.json | 11d ago |
| README.md | 11d ago |
| smf18ca-18ca-etched.glb | 11d ago |
| smf18ca-18ca-etched.step | 11d ago |
| smf18ca-18ca-hero.glb | 11d ago |
| smf18ca-18ca-hero.overlay.json | 11d ago |
| smf18ca-18ca.glb | 11d ago |
| smf18ca-18ca.kicad_mod | 11d ago |
| smf18ca-18ca.kicad_sym | 11d ago |
| smf18ca-18ca.lbr | 11d ago |
| smf18ca-18ca.step | 11d ago |
SMF18CA 18CA
Shenzhen Jinkaisheng Elec · TVS · SOD-123F
SMF18CA 18CA from Shenzhen Jinkaisheng Elec, in a SOD-123F. 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Jinkaisheng Elec |
| Package | SOD-123F |
| Category | TVS/Fuse/Board Level Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage | VR | 18 | V | 2 | |||
| Breakdown voltage | VBR | 20 | 22.1 | V | @IT = 1 mA | 2 | |
| Reverse leakage current | IR | 1 | μA | @VR | 2 | ||
| Clamping voltage | VC | 29.2 | V | @IPP = 6.8 A, 10/1000μs | 2 | ||
| Peak pulse current | IPP | 6.8 | A | 10/1000μs | 2 | ||
| Peak pulse power dissipation | PPP | 200 | W | 10/1000μs waveform | 1 | ||
| Steady state power dissipation | PM(AV) | 2.8 | W | TL=75℃ | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 20A for unidirectional | 1 | ||
| Storage and operating junction temperature range | TSTG/TJ | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to lead | RθJL | 100 | ℃/W | Typical | 1 | ||
| Thermal resistance junction to ambient | RθJA | 220 | ℃/W | Typical | 1 |
CAD (KiCad official)
- Symbol:
SMF18CA 18CA - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files:
smf18ca-18ca-etched.step/smf18ca-18ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf18ca-18ca.step/smf18ca-18ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Jinkaisheng Elec datasheet (6 pp, sha256
9e5131723862d17a, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).