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Contents

README

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CJSMF64CA

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

CJSMF64CA 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 (no polarity, no cathode band) with 64 V reverse standoff, 71.39-78.54 V breakdown at 1 mA, and 102 V max clamping at 2 A peak pulse current.
2 A2 passive Second bi-directional TVS terminal, interchangeable with the other, with 64 V reverse standoff, max 5 uA leakage at VRWM, and 200 W peak pulse power (10/1000us).

Key specifications

Parameter Value
Manufacturer Changjing
Package SOD-123FL
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 71.39 78.54 V @IT = 1 mA 2
Max reverse leakage IR 5 uA @VRWM 2
Max clamping voltage VC 102 V @IPP 2
Max peak pulse current IPP 2 A 10/1000us waveform 2
Peak pulse power dissipation PPPM 200 W with a 10/1000us waveform 1
Power dissipation PD 1 W On infinite heat sink at TL=75℃ 1
Operating junction and storage temperature range TJ,TSTG -55 150 ℃ 1
Thermal resistance junction to lead RθJL 100 ℃/W junction to lead TL=50℃ 1
Thermal resistance junction to ambient RθJA 200 ℃/W junction to ambient TA=25℃ 1
Reverse standoff voltage VRWM 64 V 2

CAD (KiCad official)

  • Symbol: CJSMF64CA
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: cjsmf64ca-etched.step / cjsmf64ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cjsmf64ca.step / cjsmf64ca.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 2026-10-22, 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