component

CJK3400A

Public Made by Adom

by adom

Changjing MOSFETs, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 17d ago
viewers cjk3400a: viewers · Ray 17d ago
cjk3400a-etched.glb Publish 0.1.0 · Ray 17d ago
cjk3400a-etched.step cjk3400a: factory component page (tier=lcsc) · Ray 17d ago
cjk3400a-hero.glb cjk3400a: hero GLB from the etched model (keeps the MPN mark) · Ray 17d ago
cjk3400a-hero.overlay.json Publish 0.1.0 · Ray 17d ago
cjk3400a.glb Publish 0.1.0 · Ray 17d ago
cjk3400a.kicad_mod Publish 0.1.0 · Ray 17d ago
cjk3400a.kicad_sym Publish 0.1.0 · Ray 17d ago
cjk3400a.lbr Publish 0.1.0 · Ray 17d ago
cjk3400a.step Publish 0.1.0 · Ray 17d ago
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CJK3400A

Changjing · MOSFETs · SOT-23-3L

CJK3400A from Changjing, in a SOT-23-3L. 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 GATE input Gate of the N-channel MOSFET; gate-source voltage limit is ±12 V, with threshold VGS(th) 0.7 V min, 0.9 V typ, 1.4 V max at ID=250µA.
2 SOURCE passive Source of the N-channel MOSFET, connected to the body diode anode; continuous drain current is 5.8 A and pulsed 30 A.
3 DRAIN passive Drain of the N-channel MOSFET; drain-source voltage rated at 30 V, with RDS(on) max 32 mΩ at VGS=10 V.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23-3L
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: CJK3400A
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: cjk3400a-etched.step / cjk3400a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cjk3400a.step / cjk3400a.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 1aaac7d1f4558ead, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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