The BD140 PNP Transistor is a PNP Epitaxial Planar Transistor that is mounted in the SOT-32 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits. The NPN complement is BD139 and this transistor comes with a VCE of -80V and a continuous collector current of -1.5A. It can be used as a small signal-switching transistor. Moreover, it has a low base voltage of -5V.

Features and Specifications:

• Bi-Polar PNP Transistor
• Continuous Collector current (IC) is -1.5A
• Collector-Emitter voltage (VCE) is- 80 V
• Collector-Base voltage (VCB) is- 80V
• Base Current (Ib) is -0.5A
• Emitter Base Breakdown Voltage (VBE) is -5V
• DC current gain (hfe) is 40 to 160
• Available in To-225 and SOT-32 Package
• Collector Dissipation: 12.5 W
• Operating Junction Temperature Max (Tj): 150°C

Applications:

• Moderate Current switching applications
• High Current Relay Driver
• Microphone preamplifiers
• Lighting systems
• Audio Amplifiers
• Medium Power Linear and switching
• Signal Amplifiers