1.5SMC120CA
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AB(SMCJ). 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
markdown1.5SMC120CA
Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMCJ)
1.5SMC120CA from Littelfuse, in a DO-214AB(SMCJ). 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 | Littelfuse |
| Package | DO-214AB(SMCJ) |
| 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, minimum (bidirectional 1.5SMC120CA) | VBR | 114 | V | @ IT 1 mA | 2 | ||
| Breakdown voltage, maximum (bidirectional 1.5SMC120CA) | VBR | 126 | V | @ IT 1 mA | 2 | ||
| Reverse stand-off voltage | VR | 102 | V | 2 | |||
| Maximum clamping voltage | VC | 165 | V | @ Ipp 9.2 A | 2 | ||
| Maximum peak pulse current | Ipp | 9.2 | A | 2 | |||
| Maximum reverse leakage current | IR | 1 | µA | @ VR 102 V | 2 | ||
| Operating temperature range | TJ | -65 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -65 | 175 | °C | 1 | ||
| Peak pulse power dissipation (single die) | PPPM | 1500 | W | 10/1000 µs waveform (Fig. 4), single-die parts, Notes 1-2 | 1 | ||
| Power dissipation on infinite heat sink | PD | 6.5 | W | TL = 50 °C | 1 | ||
| Typical thermal resistance junction to lead | RƟJL | 15 | °C/W | 1 | |||
| Typical thermal resistance junction to ambient | RƟJA | 75 | °C/W | 1 | |||
| Temperature coefficient of breakdown voltage (αT) | αT | 0.1 | % | VBR@TJ = VBR@25°C x (1+αT x (TJ - 25)) | 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 | tin | • Matte tin lead-free plated • Halogen free and RoHS | 1 |
CAD (KiCad official)
- Symbol:
1.5SMC120CA - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMCJ) (KiCad packages3D, STEP)
- 3D model files:
1-5smc120ca-etched.step/1-5smc120ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smc120ca.step/1-5smc120ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
d65ddb10854080bb, 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).