BD241 N-Channel Transistor 55V 3A

The BD241 N-Channel Transistor 55V 3A is a highly dependable NPN power transistor designed for medium-power switching, amplification, and general-purpose electronic applications. Although it is widely recognized for its strong performance and thermal stability, original versions of this transistor have become increasingly difficult to find. Consequently, the BD241 is now considered both new and rare, making it especially valuable for technicians, engineers, and hobbyists who require reliable and authentic semiconductor components for their projects.

Additionally, this transistor is supplied in brand-new condition, ensuring excellent electrical consistency and long operational lifespan. Its robust TO-220 package allows efficient heat dissipation, while its stable gain characteristics make it suitable for use in audio amplifiers, voltage regulators, motor drivers, and power switching circuits. Moreover, the BD241 provides smooth switching performance even under moderate current loads, which enhances circuit reliability.

Key Features

• Medium-power NPN transistor for switching and amplification

• Supports collector current up to 3A

• Strong thermal stability with TO-220 packaging

• Smooth and reliable switching characteristics

• Rare and original part supplied in new condition

Typical Applications

• Audio amplifier output and driver stages

• DC motor control and medium-power switching

• Voltage regulation and power supply circuits

• Industrial equipment repair and restoration

• General-purpose electronics and DIY projects

Furthermore, the BD241 N-Channel Transistor 55V 3A offers stable hFE gain, low saturation voltage, and consistent performance across a wide operating temperature range. Therefore, it is highly preferred by technicians who demand durable semiconductors capable of operating under moderate power stress. Its balanced design ensures excellent performance without excessive heat buildup, making it ideal for both new builds and replacement tasks.

Datasheet Specifications

• Transistor Type: NPN Power Transistor

• Collector–Emitter Voltage (Vceo): 55 V

• Collector–Base Voltage (Vcbo): 60 V

• Emitter–Base Voltage (Vebo): 5 V

• Collector Current (Ic): 3 A

• Power Dissipation: 40–65 W (with heatsink)

• DC Current Gain (hFE): 40–250 (depending on model)

• Package: TO-220

• Pinout:

  1. Base

  2. Collector

  3. Emitter

Why This Component Is Highly Valued

• Reliable medium-power switching capability

• Low heat generation and consistent gain stability

• Ideal for both modern and vintage electronic designs

• Difficult to find in genuine new condition

BD241 N-Channel Transistor 55V 3A Selection Notes

For more compatible parts, explore the components category at Electrolik. In addition, you can read more about transistor to understand the circuit concept before choosing replacements.