

Overview
The MJD112 is a darlington Transistor made by Jiangsu Changjing Electronics Technology (CJ) in a TO-252-2L package with 3 pins. 100V 12000 1W 20uA 25MHz 2A 3V@4A,40mA 5V NPN TO-252-2L Darlington Transistors ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MJD112, from EasyEDA) and its footprint (EasyEDA_Cloud:TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL, from EasyEDA), ready for a KiCad board. 2,876 are in stock at JLCPCB (part C69605). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
9- Collector - Emitter Voltage VCEO
- 100V
- Current - Collector Cutoff
- 20uA
- Current - Collector(Ic)
- 2A
- DC Current Gain
- 12000
- Emitter-Base Voltage VEBO
- 5V
- Pd - Power Dissipation
- 1W
- Transition frequency(fT)
- 25MHz
- Type
- NPN
- Vce Saturation(VCE(sat))
- 3V@4A,40mA
Order codes
1- MJD112LCSC C69605
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Unspecified |
| 3 | E | Unspecified |
| 4 | C | Unspecified |
Open-source boards using it
All 1- 2 layers88.4 × 25.4 mm

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Is there a KiCad symbol and footprint for the MJD112?
Yes. The symbol is EasyEDA_Cloud:MJD112 and the footprint EasyEDA_Cloud:TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MJD112?
TO-252-2L, with 3 pins. Its footprint is drawn on this page.
Where is the MJD112 datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the MJD112?
JLCPCB lists it as part C69605, with 2,876 in stock; the sellers' links on this page open their listings.
Which open-source boards use the MJD112?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.