component
SMBJ8.0A
Public Made by Adomby adom
BORN TVS, DO-214AA(SMB). 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 |
| smbj8-0a-etched.glb | 13d ago |
| smbj8-0a-etched.step | 13d ago |
| smbj8-0a-hero.glb | 13d ago |
| smbj8-0a-hero.overlay.json | 13d ago |
| smbj8-0a.glb | 13d ago |
| smbj8-0a.kicad_mod | 13d ago |
| smbj8-0a.kicad_sym | 13d ago |
| smbj8-0a.lbr | 13d ago |
| smbj8-0a.step | 13d ago |
SMBJ8.0A
BORN · TVS · DO-214AA(SMB)
SMBJ8.0A from BORN, in a DO-214AA(SMB). 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 | DO-214AA(SMB) |
| 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 (VBR@IT), SMBJ8.0A unidirectional | VBR | 8.89 | 9.83 | V | IT = 1 mA | 3 | |
| Maximum Clamping Voltage (VC @ Ipp), SMBJ8.0A | VC | 13.6 | V | @ Ipp = 44.2 A | 3 | ||
| Maximum Peak Pulse Current (Ipp), SMBJ8.0A | Ipp | 44.2 | A | 3 | |||
| Maximum Reverse Leakage Current, SMBJ8.0A | IR | 50 | uA | @ VR = 8 V | 3 | ||
| Peak Pulse Power Dissipation | PPPM | 600 | W | 10/1000us waveform, non-repetitive current pulse (Note 1,2) | 2 | ||
| Steady State Power Dissipation | PD | 5 | W | Infinite heatsink at TA = 50°C (Note 3) | 2 | ||
| Peak Forward Surge Current | IFSM | 100 | A | 8.3 ms single half sine wave or equivalent square wave, duty cycle 4 per minute max (Note 4) | 2 | ||
| Maximum Instantaneous Forward Voltage (unidirectional) | VFM | 3.5 | V | at 50 A, unidirectional only (Note 5): 3.5 V applies for VBR ≤ 200 V; printed as 3.5/5 V, 5.0 V applies for VBR ≥ 201 V | 2 | ||
| Operating Temperature Range | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 2 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 20 | °C/W | 2 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 100 | °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:
SMBJ8.0A - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
smbj8-0a-etched.step/smbj8-0a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj8-0a.step/smbj8-0a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BORN datasheet (7 pp, sha256
714b9a8b6a4ec525, 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).