SMLJ78CA-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
markdownSMLJ78CA-TP
MCC(Micro Commercial Components) · TVS · SMC(DO-214AB)
SMLJ78CA-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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Dissipation on 10/1000μs Waveform | PPPM | 3000 | W | 10/1000μs waveform, Note 3,4, Fig.1 | 1 | ||
| Breakdown Voltage (SMLJ78CA) | VBR | 86.7 | 95.8 | V | IT = 1 mA | 3 | |
| Max Clamping Voltage (SMLJ78CA) | VC | 126 | V | @ IPP = 22.8 A | 3 | ||
| Reverse Leakage Current (SMLJ78CA) | ID | 2 | µA | @ VWM = 78 V | 3 | ||
| Reverse Stand-Off Voltage (SMLJ78CA) | VWM | 78 | V | 3 | |||
| Operating Junction Temperature Range | -55 | 175 | °C | 1 | |||
| Storage Temperature Range | -55 | 175 | °C | 1 | |||
| Thermal Resistance Junction to Lead | 17.5 | °C/W | 1 | ||||
| Thermal Resistance Junction to Ambient | 75 | °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:
SMLJ78CA-TP - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
smlj78ca-tp-etched.step/smlj78ca-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smlj78ca-tp.step/smlj78ca-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
bf49ac7e2607542d, retrieved 2026-10-30, 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).