main
History Download
Ray Publish 0.1.0 8c38bb6 13d ago

SMCJ24CA

Littelfuse · TVS · DO-214AB

SMCJ24CA from Littelfuse, in a 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 Littelfuse
Package 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 (min/max) at IT VBR 26.7 29.5 V @ IT = 1 mA 2
Reverse Stand-off Voltage VR 24 V Maximum voltage that can be applied without operation 2
Maximum Clamping Voltage VC 38.9 V @ Ipp 2
Maximum Peak Pulse Current Ipp 38.6 A 2
Maximum Reverse Leakage Current IR 1 µA @ VR 2
Peak Pulse Power Dissipation PPPM 1500 W TA=25°C, 10/1000 µs waveform 1
Power Dissipation on Infinite Heat Sink PD 6.5 W at TL=50°C 1
Operating Temperature Range TJ -65 150 °C 1
Storage Temperature Range TSTG -65 175 °C 1
Typical Thermal Resistance Junction to Lead RθJL 15 °C/W Typical 1
Typical Thermal Resistance Junction to Ambient RθJA 75 °C/W Typical 1
VBR Temperature Coefficient αT 0.1 % VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)); typical value 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 2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal. 1

CAD (KiCad official)

  • Symbol: SMCJ24CA
  • Footprint: Diode_SMD:D_SMC
  • 3D model: DO-214AB (KiCad packages3D, STEP)
  • 3D model files: smcj24ca-etched.step / smcj24ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smcj24ca.step / smcj24ca.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Littelfuse datasheet (6 pp, sha256 6e610db955ed8763, retrieved 2026-10-21, 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