component
MJD112
Public Made by Adomby adom
Changjing Darlington Transistors, TO-252-2L. Datasheet-verified pinout, 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
markdownMJD112
Changjing · Darlington Transistors · TO-252-2L
MJD112 from Changjing, in a TO-252-2L. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | BASE | input | Control input terminal for Darlington NPN transistor; maximum emitter-base voltage 5V, typical base-emitter voltage 2.8V at IC=2A VCE=3V, DC current gain minimum 500 at IC=500mA. |
| 2 | COLLECTOR | input | Main current terminal; maximum collector-emitter voltage 100V, maximum collector-base voltage 100V, maximum continuous collector current 2A, maximum power dissipation 1W. |
| 3 | EMITTER | output | Current return terminal; maximum emitter-base voltage 5V, typical emitter cut-off current 2mA at VEB=5V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | TO-252-2L |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
MJD112 - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252-2L (KiCad packages3D, STEP)
- 3D model files:
mjd112-etched.step/mjd112-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mjd112.step/mjd112.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
56a21527a3aeb20a, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).