BC338 (45V, 0.8A)

Overview

The BC338 is a versatile NPN bipolar junction transistor (BJT) designed for general-purpose switching and amplification tasks. With a collector-emitter voltage rating of 45V and a continuous collector current capability of 0.8A, it strikes an excellent balance between performance and practicality. Whether you're a hobbyist, student, or professional engineer, this transistor is a reliable building block for countless electronic circuits.

Key Features

• High Voltage Capability: Handles up to 45V, making it suitable for a variety of medium-voltage applications.
• Current Handling: Supports up to 0.8A continuous collector current, ideal for driving loads like relays, small motors, and LEDs.
• NPN Configuration: Standard NPN design, compatible with most common circuit topologies.
• Low Saturation Voltage: Ensures efficient operation when used as a switch.
• Wide Operating Temperature Range: Reliable performance from -55°C to +150°C.
• TO-92 Package: Compact, through-hole package that's easy to breadboard and solder.

Technical Specifications

• Type: NPN Bipolar Junction Transistor
• Collector-Emitter Voltage (Vceo): 45V
• Collector-Base Voltage (Vcbo): 60V
• Emitter-Base Voltage (Vebo): 5V
• Collector Current (Ic): 0.8A (continuous)
• Power Dissipation (Pd): 625mW
• DC Current Gain (hFE): 100-630 (at Ic=100mA, Vce=1V)
• Transition Frequency (ft): 100MHz minimum
• Operating Temperature Range: -55°C to +150°C
• Package: TO-92

Applications & Use Cases

• Signal Amplification: Use in audio preamplifiers and sensor signal conditioning.
• Switching Circuits: Drive relays, solenoids, and small DC motors.
• LED Drivers: Control high-brightness LEDs with PWM or constant current.
• Logic Level Conversion: Interface between 3.3V/5V microcontrollers and higher-voltage peripherals.
• Education: Perfect for learning transistor biasing and circuit design in classroom labs.

What's Included

• 1 x BC338 NPN Transistor (TO-92 package)

Compatibility

• Microcontrollers: Works with Arduino, Raspberry Pi, ESP32, and other development boards (with appropriate base resistor).
• Sensors: Compatible with most analog sensors as a buffer or driver.
• Power Supplies: Suitable for low-power regulation and protection circuits.

MOKWN Recommendation

The BC338 is an essential component for any electronics enthusiast. Its robust 45V/0.8A rating makes it a dependable choice for a wide range of projects, from simple LED blinkers to more complex control systems. Stock up on this versatile transistor to keep your prototyping bench ready for any challenge. Order today and experience fast delivery across Egypt!