component
CJ2309A
Public Made by Adomby adom
Changjing MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownCJ2309A
Changjing · MOSFETs · SOT-23
CJ2309A 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 terminal of the P-channel MOSFET, with gate-source voltage rated at ±20 V. |
| 2 | SOURCE | passive | Source terminal, the reference for VGS and VDS, with continuous drain-source diode forward current rated at -1.6 A. |
| 3 | DRAIN | passive | Drain terminal, rated for a drain-source voltage of -60 V and a continuous drain current of -2 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23 |
| 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 | -60 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | -2 | A | 1 | |||
| Pulsed Drain Current | IDM | -8 | A | 1 | |||
| Power Dissipation | PD | 0.35 | W | 1 | |||
| Operation Junction and Storage Temperature Range | TJ,Tstg | -55 | 150 | ℃ | 1 | ||
| Power Dissipation (Tc=25℃) | PD | 2.5 | W | Tc=25℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 357 | ℃/W | 1 | |||
| Thermal Resistance from Junction to Case | RθJC | 50 | ℃/W | Tc=25℃ | 1 | ||
| Drain-source breakdown voltage | V(BR)DSS | -60 | V | VGS = 0V, ID =-250µA | 2 | ||
| Zero gate voltage drain current | IDSS | -1 | µA | VDS =-60V,VGS = 0V,TJ=25℃ | 2 | ||
| Zero gate voltage drain current | IDSS | -1 | mA | VDS =-60V,VGS = 0V,TJ=125℃ | 2 | ||
| Gate-source leakage current | IGSS | -100 | 100 | nA | VGS =±20V, VDS = 0V | 2 | |
| Drain-source on-resistance | RDS(on) | 190 | mΩ | VGS =-10V, ID =-2A | 2 | ||
| Drain-source on-resistance | RDS(on) | 240 | mΩ | VGS =-4.5V, ID =-1.5A | 2 | ||
| Forward transconductance | gFS | 3.1 | S | VDS =-10V, ID =-2A | 2 | ||
| Gate threshold voltage | VGS(th) | -1 | -2.5 | V | VDS =VGS, ID =-250µA | 2 | |
| Diode forward voltage | VSD | -1 | V | IS=-1A,VGS=0V | 2 | ||
| Continuous drain-source diode forward current | IS | -1.6 | A | 2 | |||
| Pulsed drain-source diode forward current | ISM | -8 | A | 2 |
CAD (KiCad official)
- Symbol:
CJ2309A - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
cj2309a-etched.step/cj2309a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cj2309a.step/cj2309a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (6 pp, sha256
2b51c21b8e5a5959, retrieved 2026-10-28, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).