SMCJ40CA-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) TVS, SMC(DO-214AB). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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README
markdownSMCJ40CA-TP
MCC(Micro Commercial Components) · TVS · SMC(DO-214AB)
SMCJ40CA-TP from MCC(Micro Commercial Components), in a SMC(DO-214AB). 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 | SMC(DO-214AB) |
| 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), SMCJ40CA | VBR | 44.4 | 49.1 | V | IT = 1 mA | 2 | |
| Reverse stand-off voltage | VWM | 40 | V | 2 | |||
| Maximum clamping voltage | VC | 64.5 | V | At IPP = 23.3 A | 2 | ||
| Peak pulse current | IPP | 23.3 | A | Non-repetitive pulse, per Fig.3 and Note 2 | 2 | ||
| Reverse leakage current | ID | 1 | µA | At VWM | 2 | ||
| Peak pulse power dissipation | PPPM | 1500 | W | 10/1000 µs waveform, Notes 2,3, Fig.1 | 1 | ||
| Power dissipation on infinite heat sink | PD | 6.5 | W | Infinite heat sink, TL = 75 °C | 1 | ||
| Operating junction temperature range | TJ | -55 | 175 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | °C | 1 | ||
| Thermal resistance, junction to lead | RθJL | 15 | °C/W | Junction to lead, typical | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 75 | °C/W | Junction to ambient, typical | 1 | ||
| ESD immunity, air discharge (IEC-61000-4-2) | 15 | kV | Air discharge, IEC-61000-4-2 | 1 | |||
| ESD immunity, contact discharge (IEC-61000-4-2) | 8 | kV | Contact discharge, IEC-61000-4-2 | 1 | |||
| Temperature coefficient | 0.1 | % | Typical value, per Features list | 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 | 3. Mounted on 8.0mm2copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMCJ40CA-TP - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
smcj40ca-tp-etched.step/smcj40ca-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smcj40ca-tp.step/smcj40ca-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC(Micro Commercial Components) datasheet (5 pp, sha256
a76a853658b1986a, retrieved 2026-10-22, 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).