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Contents

README

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SMFJ24CA

MSKSEMI · TVS · SOD-123FL

SMFJ24CA from MSKSEMI, in a SOD-123FL. 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 1 passive Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation.
2 2 passive Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOD-123FL
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 VBR 26.7 V @ IT = 1.0 mA 3
Breakdown Voltage Max VBR 29.5 V @ IT = 1.0 mA 3
Reverse Leakage IR 1 uA @ VRWM 3
Maximum Clamping Voltage VC 38.9 V @ IPP = 5.1 A 3
Peak Pulse Current IPP 5.1 A 3
Reverse Stand-Off Voltage VRWM 24 V 3
Test Current IT 1 mA 3
Maximum Peak Pulse Power Dissipation PPK 200 W PW 10/1000 μs, TA = 25℃ 2
Maximum Peak Pulse Power Dissipation PPK 1000 W PW 8/10 μs, TA = 25℃ (Note 2) 2
DC Power Dissipation PD 385 W TA = 25℃ (Note 3) 2
Derate above 25℃ 4 mW/℃ 2
Thermal Resistance, Junction to Ambient RθJA 325 ℃/W Note 3 2
Thermal Resistance, Junction to Lead RθJL 26 ℃/W Note 3 2
Operating Junction and Storage Temperature Range TJ, TSTG -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: SMFJ24CA
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: smfj24ca-etched.step / smfj24ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smfj24ca.step / smfj24ca.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (6 pp, sha256 f4b19fb53e662eab, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal 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