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CJ3144KW

Public Made by Adom

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Changjing MOSFETs, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Datasheet

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Contents

README

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CJ3144KW

Changjing · MOSFETs · SOT-323

CJ3144KW from Changjing, in a SOT-323. 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 terminal of the N-channel MOSFET, with VGS rated ±12 V maximum and threshold voltage 0.5 V min, 1.0 V typ, 1.5 V max at ID = 250 µA.
2 SOURCE passive Source terminal of the N-channel MOSFET, with continuous drain current rated 0.6 A and RDS(on) of 500 mΩ max at VGS = 4 V.
3 DRAIN passive Drain terminal of the N-channel MOSFET, with drain-source voltage rated 30 V maximum and continuous drain current 0.6 A.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-323
Category Triode/MOS Tube/Transistor
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source voltage VDS 30 V Ta = 25°C 1
Gate-Source Voltage VGS -12 12 V Ta = 25°C 1
Continuous Drain Current ID 0.6 A Ta = 25°C 1
Power Dissipation PD 0.2 W Ta = 25°C 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Thermal Resistance from Junction to Ambient RθJA 625 ℃/W 1
Drain-source breakdown voltage V(BR)DSS 30 V VGS = 0V, ID =250µA 2
Zero gate voltage drain current IDSS 1 µA VDS =30V,VGS = 0V 2
Gate-body leakage current IGSS -3 3 µA VGS =±10V, VDS = 0V 2
Gate threshold voltage VGS(th) 0.5 1 1.5 V VDS =VGS, ID =250µA 2
Drain-source on-resistance RDS(on) 320 500 mΩ VGS =4.5V, ID =0.6A 2
Drain-source on-resistance RDS(on) 410 600 mΩ VGS =2.5V, ID =0.3A 2
Diode Forward voltage VDS 0.87 1.2 V IS=0.6A, VGS = 0V 2
Forward tranconductance gFS 0.1 S VDS =5V, ID =0.5A 2
Input Capacitance Ciss 44 pF VDS=10V,VGS=0V,f=1MHz 2
Output Capacitance Coss 15 pF VDS=10V,VGS=0V,f=1MHz 2
Reverse Transfer Capacitance Crss 8 pF VDS=10V,VGS=0V,f=1MHz 2
Total gate charge Qg 1.2 nC VDS =15V,VGS =4.5V,ID =0.8A 2
Gate-source charge Qgs 0.28 nC VDS =15V,VGS =4.5V,ID =0.8A 2
Gate-drain charge Qgd 0.3 nC VDS =15V,VGS =4.5V,ID =0.8A 2
Turn-on delay time td(on) 5 ns VDS=15V,ID=0.7A,VGS=4.5V,RG=51Ω 2
Turn-on rise time tr 8.2 ns VDS=15V,ID=0.7A,VGS=4.5V,RG=51Ω 2
Turn-off delay time td(off) 23 ns VDS=15V,ID=0.7A,VGS=4.5V,RG=51Ω 2
Turn-off fall time tf 41 ns VDS=15V,ID=0.7A,VGS=4.5V,RG=51Ω 2

CAD (KiCad official)

  • Symbol: CJ3144KW
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: cj3144kw-etched.step / cj3144kw-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj3144kw.step / cj3144kw.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 fd0e1c0d0858729f, 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