
Overview
The MJD340 is a bipolar made by onsemi in a DPAK package with 3 pins. -65℃~+150℃ 1.56W 100uA 30 300V 500mA NPN DPAK Bipolar (BJT).
PCBKit's library has its KiCad symbol (Transistors:NPN B1 E2 C3, from CERN's library) and its footprint (ICs And Semiconductors SMD:TO228P991X239-3N-R552X520, from CERN's library), ready for a KiCad board. JLCPCB lists it (part C3198538).
Symbol
Footprint
Parameters
8- Collector - Emitter Voltage VCEO
- 300V
- Current - Collector Cutoff
- 100uA
- Current - Collector(Ic)
- 500mA
- DC Current Gain
- 30
- Number
- 1 NPN
- Operating Temperature
- -65℃~+150℃
- Pd - Power Dissipation
- 1.56W
- type
- NPN
Order codes
1- MJD340LCSC C3198538
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Passive |
| 2 | E | Passive |
| 3 | C | Passive |
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<iframe src="https://pcbkit.io/embed/parts/onsemi/MJD340" title="MJD340 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/MJD340.jpg" alt="MJD340" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/MJD340)Questions
Is there a KiCad symbol and footprint for the MJD340?
Yes. The symbol is Transistors:NPN B1 E2 C3 and the footprint ICs And Semiconductors SMD:TO228P991X239-3N-R552X520, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MJD340?
DPAK, with 3 pins. Its footprint is drawn on this page.
Where is the MJD340 datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the MJD340?
JLCPCB lists it as part C3198538, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MJD340?
Parts like it in the library: the MJD2955 by onsemi, the MJD350 by Foshan Blue Rocket Elec, the MJD350 by Diodes Incorporated and the MJD340 by Foshan Blue Rocket Elec. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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