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CJ3400

Public Made by Adom

by adom

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

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

markdown

CJ3400

Changjing · MOSFETs · SOT-23

CJ3400 from Changjing, in a SOT-23. 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, rated for a gate-source voltage VGS of ±12 V maximum.
2 SOURCE passive Source of the N-channel MOSFET; the datasheet gives no separate pin-level limit, and the 30 V drain-source voltage rating (VDS) applies between drain and source.
3 DRAIN passive Drain of the N-channel MOSFET, rated for a drain-source voltage VDS of 30 V and a continuous drain current ID of 5.8 A.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23
Category Transistors/Thyristors
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 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID 5.8 A 1
Drain Current-Pulsed IDM 30 A 1
Power Dissipation PD 350 mW 1
Junction Temperature TJ 150 ℃ 1
Storage Temperature TSTG -55 150 ℃ 1
Thermal Resistance from Junction to Ambient RθJA 357 ℃/W Surface mounted on FR4 board, t < 5 sec (note 2) 1
Drain-source breakdown voltage V(BR)DSS 30 V VGS = 0V, ID =250µA 2
Zero gate voltage drain current IDSS 1 µA VDS =24V,VGS = 0V 2
Gate-source leakage current IGSS -100 100 nA VGS =±12V, VDS = 0V 2
Drain-source on-resistance RDS(on) 35 mΩ VGS =10V, ID =5.8A 2
Drain-source on-resistance RDS(on) 40 mΩ VGS =4.5V, ID =5A 2
Drain-source on-resistance RDS(on) 52 mΩ VGS =2.5V,ID=4A 2
Forward transconductance gFS 8 S VDS =5V, ID =5A 2
Gate threshold voltage VGS(th) 0.7 1.4 V VDS =VGS, ID =250µA 2
Diode forward voltage VSD 1 V IS=1A,VGS=0V 2
Input capacitance Ciss 1050 pF 2
Output capacitance Coss 99 pF 2
Reverse transfer capacitance Crss 77 pF VDS =15V,VGS =0V,f =1MHz 2
Gate resistance Rg 3.6 Ω VDS =0V,VGS =0V,f =1MHz 2
Turn-on delay time td(on) 5 ns VGS=10V,VDS=15V, RL=2.7Ω,RGEN=3Ω 2
Turn-on rise time tr 7 ns VGS=10V,VDS=15V, RL=2.7Ω,RGEN=3Ω 2
Turn-off delay time td(off) 40 ns VGS=10V,VDS=15V, RL=2.7Ω,RGEN=3Ω 2
Turn-off fall time tf 6 ns VGS=10V,VDS=15V, RL=2.7Ω,RGEN=3Ω 2

CAD (KiCad official)

  • Symbol: CJ3400
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: cj3400-etched.step / cj3400-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj3400.step / cj3400.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (3 pp, sha256 f9216dcf9e46204c, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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