component

1.5SMC120CA

Public Made by Adom

by 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.

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1.5SMC120CA

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1-5smc120ca.step / 1-5smc120ca.glb are 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, primary cathode-band convention (convention), consensus off (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).

Datasheet PDF