component
SMBJ8.5CA
Public Made by Adomby adom
Brightking Elec (TAIWAN) TVS, SMB(DO-214AA). 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 | 4h ago |
| viewers | 4h ago |
| package.json | 4h ago |
| page.json | 4h ago |
| README.md | 4h ago |
| smbj8-5ca-etched.glb | 4h ago |
| smbj8-5ca-etched.step | 4h ago |
| smbj8-5ca-hero.glb | 4h ago |
| smbj8-5ca-hero.overlay.json | 4h ago |
| smbj8-5ca.glb | 4h ago |
| smbj8-5ca.kicad_mod | 4h ago |
| smbj8-5ca.kicad_sym | 4h ago |
| smbj8-5ca.lbr | 4h ago |
| smbj8-5ca.step | 4h ago |
SMBJ8.5CA
Brightking Elec (TAIWAN) · TVS · SMB(DO-214AA)
SMBJ8.5CA from Brightking Elec (TAIWAN), in a SMB(DO-214AA). 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 | Brightking Elec (TAIWAN) |
| Package | SMB(DO-214AA) |
| 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 (bidirectional, SMBJ8.5CA) | VBR | 9.44 | 10.4 | V | @IT 1 mA | 2 | |
| Maximum clamping voltage (SMBJ8.5CA) | VC | 14.4 | V | @IPP 41.7 A | 2 | ||
| Reverse leakage (SMBJ8.5CA) | IR | 20 | μA | @VRWM 8.5 V | 2 | ||
| Reverse stand-off voltage (SMBJ8.5CA) | VRWM | 8.5 | V | 2 | |||
| Peak pulse power dissipation | PPPM | 600 | Watts | 10/1000μs waveform (Note1, Note2, Fig.1) | 1 | ||
| Steady state power dissipation | PM(AV) | 5 | Watts | TA=50℃ (Fig.5) | 1 | ||
| Peak forward surge current | IFSM | 100 | Amps | 8.3ms single half sine-wave, superimposed on rated load (JEDEC Method) (Note3, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -65 | 150 | ℃ | 1 | ||
| Thermal resistance junction to lead | RθJL | 20 | ℃/W | Typical | 1 | ||
| Thermal resistance junction to ambient | RθJA | 100 | ℃/W | Typical | 1 |
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 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMBJ8.5CA - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj8-5ca-etched.step/smbj8-5ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj8-5ca.step/smbj8-5ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Brightking Elec (TAIWAN) datasheet (6 pp, sha256
c2f69d8ae9408668, 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).