component
CJ3400A
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
markdownCJ3400A
Changjing · MOSFETs · SOT-23
CJ3400A 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 | MOSFET gate terminal; the gate-source voltage is rated at VGS ±12 V maximum. |
| 2 | SOURCE | passive | MOSFET source terminal, the reference for VGS; the device is rated for 5.8 A continuous drain current and 30 A pulsed drain current. |
| 3 | DRAIN | passive | MOSFET drain terminal; the drain-source voltage is rated at VDS 30 V maximum. |
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 | note 1 | 1 | ||
| Power Dissipation | PD | 400 | mW | 1 | |||
| Junction Temperature | TJ | 150 | ℃ | 1 | |||
| Storage Temperature | TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 313 | ℃/W | note 2: Surface Mounted on FR4 Board, t < 5 sec | 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) | 29 | 32 | mΩ | VGS =10V, ID =5.8A | 2 | |
| Drain-source on-resistance | RDS(on) | 32 | 38 | mΩ | VGS =4.5V, ID=5A | 2 | |
| Drain-source on-resistance | RDS(on) | 40 | 45 | mΩ | VGS =2.5V,ID=4A | 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 |
CAD (KiCad official)
- Symbol:
CJ3400A - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
cj3400a-etched.step/cj3400a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cj3400a.step/cj3400a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (5 pp, sha256
27836f4d68a7883e, 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).