component
SMCJ350A
Public Made by Adomby adom
Liown Electrostatic And Surge Protection (TVS/ESD), SMC(DO-214AB). 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 |
| smcj350a-etched.glb | 11d ago |
| smcj350a-etched.step | 11d ago |
| smcj350a-hero.glb | 11d ago |
| smcj350a-hero.overlay.json | 11d ago |
| smcj350a.glb | 11d ago |
| smcj350a.kicad_mod | 11d ago |
| smcj350a.kicad_sym | 11d ago |
| smcj350a.lbr | 11d ago |
| smcj350a.step | 11d ago |
SMCJ350A
Liown · Electrostatic And Surge Protection (TVS/ESD) · SMC(DO-214AB)
SMCJ350A from Liown, in a SMC(DO-214AB). 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 | Liown |
| Package | SMC(DO-214AB) |
| 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 | 350 | V | 3 | |||
| Breakdown Voltage | VB | 391 | 432 | V | @IT=1mA | 3 | |
| Maximum Clamping Voltage | VC | 567 | V | @IPP=2.6A | 3 | ||
| Peak Pulse Current | IPP | 2.6 | A | 10/1000μs waveform | 3 | ||
| Reverse Leakage Current | IR | 1 | μA | @VR | 3 | ||
| Peak pulse power dissipation | PPPM | 1500 | W | 10/1000μs waveform, TA=25℃ | 1 | ||
| Steady state power dissipation | PM(AV) | 6.5 | W | TA=50℃ | 1 | ||
| Peak forward surge current | IFSM | 200 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) | 1 | ||
| Maximum Instantaneous Forward Voltage | VF | 3.5 | V | at 100A, unidirectional only; 3.5V single die / 5.0V stacked-die | 1 | ||
| Operating junction and storage temperature | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to lead | RθJL | 15 | ℃/W | Typical | 1 | ||
| Thermal resistance junction to ambient | RθJA | 75 | ℃/W | Typical | 1 |
CAD (KiCad official)
- Symbol:
SMCJ350A - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
smcj350a-etched.step/smcj350a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smcj350a.step/smcj350a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Liown datasheet (6 pp, sha256
5aab551fa23e27ab, 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).