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Contents

README

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CJSMF24CA

Changjing · ESD And Surge Protection (TVS/ESD) · SOD-123FL

CJSMF24CA from Changjing, 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 A1 passive Bi-directional TVS terminal with no polarity (CJSMF24CA has no cathode band); VRWM 24V, breakdown 26.81-29.48V at 1mA, max clamping 38.5V at 5.2A.
2 A2 passive Second bi-directional TVS terminal, interchangeable with the other terminal; 200W peak pulse power with a 10/1000us waveform.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOD-123FL
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: CJSMF24CA
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: cjsmf24ca-etched.step / cjsmf24ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cjsmf24ca.step / cjsmf24ca.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 0e3445de771b166a, retrieved 2026-10-13, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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