component
CJ2302 S2
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
markdownCJ2302 S2
Changjing · MOSFETs · SOT-23
CJ2302 S2 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 N-channel MOSFET, with the datasheet's gate-source voltage limit VGS of ±8 V. |
| 2 | SOURCE | passive | Source terminal of the MOSFET, with the datasheet's continuous source-drain (diode conduction) current rating IS of 0.6 A. |
| 3 | DRAIN | passive | Drain terminal of the MOSFET, with the datasheet's drain-source voltage rating VDS of 20 V and continuous drain current ID of 2.1 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 |
|---|---|---|---|---|---|---|---|
| Gate-threshold voltage | VGS(th) | 0.65 | 0.95 | 1.2 | V | VDS =VGS, ID =50µA | 2 |
| Gate-body leakage | IGSS | -100 | 100 | nA | VDS =0V, VGS =±8V | 2 | |
| Drain-source on-resistance | rDS(on) | 0.045 | 0.06 | Ω | VGS =4.5V, ID =3.6A | 2 | |
| Drain-source on-resistance | rDS(on) | 0.07 | 0.115 | Ω | VGS =2.5V, ID =3.1A | 2 | |
| Diode forward voltage | VSD | 0.76 | 1.2 | V | IS=0.94A,VGS=0V | 2 | |
| Total gate charge | Qg | 4 | 10 | nC | VDS =10V,VGS =4.5V,ID =3.6A | 2 | |
| Turn-on delay time | td(on) | 7 | 15 | ns | VDD=10V, RL=5.5Ω, ID ≈3.6A, VGEN=4.5V,Rg=6Ω | 2 | |
| Rise time | tr | 55 | 80 | ns | VDD=10V, RL=5.5Ω, ID ≈3.6A, VGEN=4.5V,Rg=6Ω | 2 | |
| Turn-off delay time | td(off) | 16 | 60 | ns | VDD=10V, RL=5.5Ω, ID ≈3.6A, VGEN=4.5V,Rg=6Ω | 2 | |
| Fall time | tf | 10 | 25 | ns | VDD=10V, RL=5.5Ω, ID ≈3.6A, VGEN=4.5V,Rg=6Ω | 2 | |
| Drain-source voltage | VDS | 20 | V | 1 | |||
| Gate-source voltage | VGS | -8 | 8 | V | 1 | ||
| Continuous drain current | ID | 2.1 | A | 1 | |||
| Continuous source-drain current (diode conduction) | IS | 0.6 | A | 1 | |||
| Power dissipation | PD | 0.35 | W | 1 | |||
| Operating junction temperature | TJ | 150 | ℃ | 1 | |||
| Storage temperature | TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 357 | ℃/W | t≤5s | 1 |
CAD (KiCad official)
- Symbol:
CJ2302 S2 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
cj2302-s2-etched.step/cj2302-s2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cj2302-s2.step/cj2302-s2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (3 pp, sha256
45572d4a22e3ef85, retrieved 2026-10-09, 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).