BC640 High Current PNP Transistor – TO-92 Package

The BC640 is a high-current PNP bipolar junction transistor (BJT) designed for switching and amplification applications requiring higher collector current capability. Its compact TO-92 package and robust electrical characteristics make it suitable for relay drivers, motor control circuits, power switching applications, audio amplifiers, and general-purpose electronic designs.

Key Features -

• High-current PNP transistor

• Suitable for switching and amplification applications

• Compact TO-92 through-hole package

• High collector current capability

• Low saturation voltage characteristics

• Reliable and stable performance

• Ideal for driver and power control circuits

Specifications -

• Product type - Bipolar Junction Transistor (BJT)

• Part number - BC640

• Transistor polarity - PNP

• Package type - TO-92

• Mounting type - Through Hole

• Number of pins - 3

• Collector-Emitter Voltage (VCEO) - 80V

• Collector-Base Voltage (VCBO) - 100V

• Emitter-Base Voltage (VEBO) - 5V

• Maximum Collector Current (IC) - 1A

• Power Dissipation - 625mW

• Transition Frequency (fT) - 100MHz

• Operating Temperature Range - -55°C to +150°C

Applications -

• Relay and solenoid driver circuits

• Motor control applications

• Power switching circuits

• Audio amplifier stages

• Industrial control systems

• Battery-powered devices

• Educational and DIY electronics projects