SMDJ350CA
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AB(SMCJ). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
| Name | Last updated |
|---|---|
| docs | 17d ago |
| viewers | 17d ago |
| package.json | 17d ago |
| page.json | 17d ago |
| README.md | 17d ago |
| smdj350ca-etched.glb | 17d ago |
| smdj350ca-etched.step | 17d ago |
| smdj350ca-hero.glb | 17d ago |
| smdj350ca-hero.overlay.json | 17d ago |
| smdj350ca.glb | 17d ago |
| smdj350ca.kicad_mod | 17d ago |
| smdj350ca.kicad_sym | 17d ago |
| smdj350ca.lbr | 17d ago |
| smdj350ca.step | 17d ago |
SMDJ350CA
Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMCJ)
SMDJ350CA from Littelfuse, in a DO-214AB(SMCJ). 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 | Littelfuse |
| Package | DO-214AB(SMCJ) |
| Category | Circuit 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation, 10/1000us, single die parts | PPPM | 3000 | W | 10/1000us test waveform (Fig.4) (Note 1),(Note 2); Single Die Parts | 1 | ||
| Peak Pulse Power Dissipation, 10/1000us, stacked die parts | PPPM | 4000 | W | 10/1000us test waveform (Fig.4) (Note 1), (Note 2); Stacked Die Parts (Note 5) | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 6.5 | W | at TL = 50°C | 1 | ||
| Peak Forward Surge Current | IFSM | 300 | A | 8.3ms single half sine wave (Note 3) | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 15 | °C/W | 1 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 75 | °C/W | 1 | |||
| Reverse Stand-off Voltage | VR | 350 | V | 2 | |||
| Breakdown Voltage | VBR | 391 | 432 | V | Test current IT = 1 mA | 2 | |
| Maximum Clamping Voltage at Ipp(10/1000us) | VC | 567 | V | @ Ipp(10/1000μs) 7.1 A | 2 | ||
| Maximum Peak Pulse Current, 10/1000us | Ipp | 7.1 | A | 10/1000μs waveform | 2 | ||
| Maximum Clamping Voltage at Ipp(8/20us) | VC | 732.56 | V | @ Ipp(8/20μs) 26.5 A | 2 | ||
| Maximum Peak Pulse Current, 8/20us | Ipp | 26.5 | A | 8/20μs waveform | 2 | ||
| Maximum Reverse Leakage Current | IR | 2 | μA | @ VR = 350 V | 2 | ||
| Maximum Temperature Coefficient of VBR | 0.112 | %/C | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | 2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMDJ350CA - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMCJ) (KiCad packages3D, STEP)
- 3D model files:
smdj350ca-etched.step/smdj350ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smdj350ca.step/smdj350ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
ce0f83e04ec5de82, retrieved 2026-10-16, 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).