Transistors BD...

 BD Transistors ? Bipolar Transistors...

BD Transistors ? Bipolar Transistors for Versatile Electronic Applications


In this category, you will find a selection of BD transistors for various applications in electronics. The BD series includes numerous high-performance bipolar transistors suitable for switching tasks, signal amplification, and use in power supply units.

Whether for repairs, personal electronics projects, or building new circuits, BD transistors offer versatile application possibilities in both analog and digital electronics.

Typical examples from the BD series include:

  • BD135, BD137, BD139: NPN transistors for switching and amplifier circuits.
  • BD136, BD138, BD140: Complementary PNP types for various circuit applications.
  • BD241, BD243: Higher-power NPN transistors.
  • BD242, BD244: Corresponding PNP power transistors.
The various types differ in terms of current-carrying capacity, voltage rating, gain, and power dissipation. When making your selection, please refer to the specific technical data and pinout configurations.

Explore our range of BD transistors at electronic-studio today ? perfect for repairs, development, and electronic construction.
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Items 1 - 20 of 102

3,75 € *
In stock!

BD111 NPN 60V 10A 15W TO3

3,25 € *
In stock!
0,25 € *
In stock!

BD137 Transistor NPN 60V 1A 12W

0,40 € *
In stock!

BD139-10 NPN 80V 1,5A 12W TO126

0,40 € *
In stock!

BD139-16 NPN 80V 1,5A 12W TO126

0,40 € *
In stock!
0,35 € *
In stock!

BD142 NPN 40V 15A 117W TO3

3,75 € *
In stock!
0,50 € *
In stock!

BD176 PNP 45V 3A TO126

0,40 € *
In stock!

BD186 PNP 40V 4A 40W TO126

0,85 € *
Currently unavailable or sold out!

BD189 NPN 60V 4A 40W TO126

0,55 € *
In stock!

BD190 PNP 60V 4A 40W TO126

0,35 € *
In stock!

BD208 PNP 60V 10A 90W TO127

2,95 € *
In stock!
3,75 € *
In stock!
1,75 € *
In stock!

BD237 NPN 100V 2A 25W TO126

0,30 € *
In stock!

BD238 PNP 80V 2A 25W TO126

0,30 € *
In stock!

BD240B PNP 90V 2A 30W TO220

1,25 € *
In stock!

BD241 NPN 55V 3A 40W TO220

0,35 € *
In stock!