MJE340 NPN Power Transistor 300V 0.5A TO-126
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | MJE340 NPN BJT Transistor 300V 500mA TO-126 | 7.5 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 7.5 EGP
About this product
MJE340 is a general-purpose NPN bipolar power transistor rated 300 V collector-emitter and 0.5 A collector current, supplied in a TO-126 package with a mounting tab. It is used in medium-voltage switching stages, driver circuits and small amplifier designs.
Specifications
- Type
- NPN BJT
- VCEO (Collector-Emitter)
- 300 V
- Collector current (IC)
- 0.5 A
- Package
- TO-126
Frequently asked questions
What is the price of MJE340 NPN Power Transistor 300V 0.5A TO-126 in Egypt?
MJE340 NPN Power Transistor 300V 0.5A TO-126 currently costs 7.5 EGP in Egypt.
Where can I buy MJE340 NPN Power Transistor 300V 0.5A TO-126 in Egypt?
MJE340 NPN Power Transistor 300V 0.5A TO-126 is available from Makers Electronics. Compare the offers above to find the best price.
Can MJE340 switch an inductive load such as a relay coil?
Yes, within its 0.5 A rating, but add a flyback diode across the coil to protect the transistor from the voltage spike when the coil turns off.
How do I wire MJE340 as a low-side switch for an LED or small load?
Connect the emitter to ground, the load between the positive supply and the collector, and the base to the microcontroller pin through a current-limiting resistor. Confirm the pin order in the datasheet before wiring.
