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Ray Publish 0.1.0 ca1f9f5 12d ago

AUSMCJ24CA-HF

Comchip · TVS · DO-214AB(SMC)

AUSMCJ24CA-HF from Comchip, in a DO-214AB(SMC). 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 A1 passive Bi-directional TVS terminal (no polarity band on CA types) with VRWM 24.0 V, VBR 26.70 to 29.50 V at 1 mA and VC 38.9 V max at IPP 38.6 A.
2 A2 passive Second bi-directional TVS terminal (interchangeable with the other, no polarity band) rated for 1500 W peak pulse power at 10/1000 µs.

Key specifications

Parameter Value
Manufacturer Comchip
Package DO-214AB(SMC)
Category TVS/Fuse/Board Level 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 26.7 29.5 V @ IT = 1 mA 2
Working peak reverse voltage VRWM 24 V 2
Maximum clamping voltage VC 38.9 V @ IPP 2
Maximum surge current IPP 38.6 A 10/1000µs waveform 2
Test current IT 1 mA 2
Peak power dissipation PPPM 1500 W 10/1000µs waveform (Note 1, 2) 1
Power dissipation on infinite heat sink PD 6.5 W TL = 75°C (Note 2) 1
Operating junction and storage temperature range TJ,TSTG -55 150 °C 1
Thermal resistance, junction to ambient RθJA 75 °C/W Typical, Note 5 1
Thermal resistance, junction to lead RθJL 15 °C/W Typical 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 - Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102. 1

CAD (KiCad official)

  • Symbol: AUSMCJ24CA-HF
  • Footprint: Diode_SMD:D_SMC
  • 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
  • 3D model files: ausmcj24ca-hf-etched.step / ausmcj24ca-hf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ausmcj24ca-hf.step / ausmcj24ca-hf.glb are the bare package body.

Provenance

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

  • Datasheet: Comchip datasheet (5 pp, sha256 ab3d0004002fff17, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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