SMBJ18A-TP
Public Made by Adomby adom
MCC Micro Commercial Components ESD And Surge Protection (TVS/ESD), 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.
| Name | Last updated |
|---|---|
| docs | 22d ago |
| viewers | 2d ago |
| package.json | 22d ago |
| page.json | 22d ago |
| README.md | 22d ago |
| smbj18a-tp-etched.glb | 22d ago |
| smbj18a-tp-etched.step | 22d ago |
| smbj18a-tp-hero.glb | 22d ago |
| smbj18a-tp-hero.overlay.json | 22d ago |
| smbj18a-tp.glb | 22d ago |
| smbj18a-tp.kicad_mod | 22d ago |
| smbj18a-tp.kicad_sym | 2d ago |
| smbj18a-tp.lbr | 2d ago |
| smbj18a-tp.step | 22d ago |
SMBJ18A-TP
MCC Micro Commercial Components · ESD And Surge Protection (TVS/ESD) · SMB(DO-214AA)
SMBJ18A-TP from MCC Micro Commercial Components, 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 | MCC Micro Commercial Components |
| 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 V(BR) @IT, min | V(BR) | 20 | V | @ IT = 1 mA | 2 | ||
| Breakdown voltage V(BR) @IT, max | V(BR) | 22.1 | V | @ IT = 1 mA | 2 | ||
| Maximum clamping voltage | 29.2 | V | @ IPP | 2 | |||
| Peak pulse current IPP | IPP | 20.5 | A | 2 | |||
| Maximum reverse leakage | ID | 1 | μA | @ VWM | 2 | ||
| Peak Pulse Power Dissipation | PPP | 600 | W | Note 2,3,4 | 1 | ||
| Steady State Power Dissipation | PM(AV) | 5 | W | Note 5: infinite heat sink at TL=75°C | 1 | ||
| Operating Junction Temperature Range | -55 | 175 | °C | 1 | |||
| Storage Temperature Range | -55 | 175 | °C | 1 | |||
| Maximum Soldering Temperature | 260 | °C | for 10 seconds | 1 | |||
| Thermal Resistance Junction to Lead | 20 | °C/W | 1 | ||||
| Thermal Resistance Junction to Case | 25 | °C/W | 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 | copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMBJ18A-TP - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj18a-tp-etched.step/smbj18a-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj18a-tp.step/smbj18a-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC Micro Commercial Components datasheet (8 pp, sha256
01214abe0af87258, 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).