Description
This listing is for 5 x BD140 high-performance PNP epitaxial planar transistors housed in a SOT-32 plastic package.
These transistors are widely used in audio amplifier circuits, signal switching, and driver stages in both complementary and quasi complementary configurations.
Reliable and versatile, the BD140 is ideal for general purpose power applications in hobbyist electronics, audio systems, and prototyping.
- Part Number: BD140
- Type: PNP Epitaxial Planar Transistor
- Package: SOT-32 (TO-126 equivalent) – Through Hole
- Application: Audio frequency amplifier & driver
- Mounting: Vertical, suitable for heatsinking
- Maximum Collector Current (Ic): 1.5A
- Maximum Collector-Emitter Voltage (Vce): 80V
- Maximum Power Dissipation (Ptot): ~12.5W (with proper heatsink)
What’s Included:
- 5x BD140 PNP Power Transistors (SOT-32)
Great For:
- Audio amplifier output and driver stages
- Switching power supplies
- Signal amplification and general-purpose switching
- DIY audio projects and electronic repair
- Educational kits and prototyping
Usage Tips:
- Pair with BD139 NPN for complementary amplifier circuits
- Mount with a heatsink for higher power applications
- Suitable for breadboard (with socket) or PCB soldering
