component
SMAJ350A
Public Made by Adomby adom
BORN TVS, SMA(DO-214AC). 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 | 13d ago |
| viewers | 13d ago |
| package.json | 13d ago |
| page.json | 13d ago |
| README.md | 13d ago |
| smaj350a-etched.glb | 13d ago |
| smaj350a-etched.step | 13d ago |
| smaj350a-hero.glb | 13d ago |
| smaj350a-hero.overlay.json | 13d ago |
| smaj350a.glb | 13d ago |
| smaj350a.kicad_mod | 13d ago |
| smaj350a.kicad_sym | 13d ago |
| smaj350a.lbr | 13d ago |
| smaj350a.step | 13d ago |
SMAJ350A
BORN · TVS · SMA(DO-214AC)
SMAJ350A from BORN, in a SMA(DO-214AC). 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 | BORN |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (min) | VBR | 391 | V | @ IT = 1 mA (unidirectional SMAJ350A) | 4 | ||
| Breakdown Voltage (max) | VBR | 432 | V | @ IT = 1 mA (unidirectional SMAJ350A) | 4 | ||
| Maximum Clamping Voltage | VC | 567 | V | @ Ipp = 0.7 A | 4 | ||
| Maximum Peak Pulse Current | IPP | 0.7 | A | 4 | |||
| Maximum Reverse Leakage Current | IR | 1 | uA | @ VR = 350 V | 4 | ||
| Reverse Stand-Off Voltage | VR | 350 | V | Peak off-state voltage, maximum that can be applied while maintaining off state | 4 | ||
| Peak Pulse Power Dissipation | PPPM | 400 | W | Note1,2: non-repetitive 10/1000us waveform; mounted on 5x5mm copper pad per terminal | 2 | ||
| Steady State Power Dissipation | PD | 3.3 | W | Note3: infinite heatsink at TA = 50°C | 2 | ||
| Peak Forward Surge Current | IFSM | 40 | A | Note4: 8.3ms single half sine wave or equivalent square wave, duty cycle = 4 per minute maximum | 2 | ||
| Maximum Instantaneous Forward Voltage | VFM | 6.5 | V | at 50A, unidirectional only, VBR >= 201V (Note5) | 2 | ||
| Operating Temperature Range | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 2 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 30 | °C/W | 2 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 120 | °C/W | 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 | tin | • Lead Finish: Matte Tin • Case Material: Epoxy Molding Compound | 1 |
CAD (KiCad official)
- Symbol:
SMAJ350A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj350a-etched.step/smaj350a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj350a.step/smaj350a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BORN datasheet (7 pp, sha256
12b8d8927b041fa8, retrieved 2026-10-21, 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).