CA2073 N-Channel Transistor 150V 1.5A

The CA2073 N-Channel Transistor 150V 1.5A is a high-performance general-purpose transistor designed for medium-power switching, amplification, and voltage regulation applications. With its strong collector-emitter voltage rating of 150V and a continuous current capability of 1.5A, this transistor is engineered for reliability in demanding electronic circuits. Whether used in power supplies, audio amplifiers, high-voltage driver circuits, or industrial control systems, the CA2073 N-Channel Transistor 150V 1.5A offers excellent durability, fast switching speed, and stable electrical characteristics suitable for both professional designers and hobbyists.

This transistor excels in circuits requiring clean switching, moderate power handling, and high voltage tolerance. Its NPN configuration allows efficient conduction and fast response times, making it ideal for pulse-width modulation (PWM), inverter stages, relay drivers, and voltage-boosting circuits. Because of its sturdy internal structure, it withstands voltage spikes and heat variations, ensuring safe and long-term operation even in heavy-duty conditions.

The CA2073 is commonly found in television boards, communication equipment, SMPS (switch-mode power supplies), CRT/LED monitor circuits, and high-frequency power drivers. Its ability to handle high voltage while maintaining low noise and low distortion also makes it suitable for audio and analog applications.

Key Features

• High-performance CA2073 N-Channel Transistor 150V 1.5A for medium-power electronics

• Excellent 150V voltage tolerance and 1.5A continuous current capability

• Fast switching characteristics for efficient digital and power control

• Low saturation voltage improves conduction and reduces heat loss

• Strong thermal stability and reliable high-voltage operation

• Suitable for high-frequency and high-voltage circuits

• Compatible with a wide range of consumer and industrial devices

• Easy PCB integration with standard through-hole packaging

Applications

The CA2073 N-Channel Transistor 150V 1.5A is ideal for:

• Power supply switching and regulation

• Inverter and converter circuits

• Relay and solenoid drivers

• Audio output stages and preamplifiers

• Television and monitor power boards

• Communication equipment and RF driver circuits

• Industrial control modules

• High-voltage general-purpose switching

Data Sheet (Technical Specifications)

• Model: CA2073

• Type: NPN (N-Channel Bipolar Junction Transistor)

• Package: TO-220 (variant dependent)

• Collector-Emitter Voltage (Vce): 150V

• Collector Current (Ic): 1.5A continuous

• Power Dissipation: 20–30W (with heatsink)

• DC Current Gain (hFE): 40–140 (depending on current and temperature)

• Transition Frequency (ft): ~4–10MHz typical

• Saturation Voltage (Vce(sat)): Very low for efficient switching

• Thermal Resistance: Low junction-to-case for better heat distribution

• Operating Temperature Range: –55°C to +150°C

• Pin Configuration (TO-220):

  • Pin 1: Base

  • Pin 2: Collector

  • Pin 3: Emitter

Benefits

• Handles high voltage conditions safely

• Fast switching enables efficient control in PWM and inverter circuits

• Strong current capability for medium-load operations

• Durable design ensures long-lasting reliability

• Ideal for both analog and digital electronic designs

• Perfect replacement part for TV boards, power circuits, and industrial modules

• Good for prototyping, repairs, and production-level designs

Why Choose This Model?

The CA2073 N-Channel Transistor 150V 1.5A stands out for its combination of voltage robustness, moderate current handling, and high switching efficiency. Whether you’re working on power electronics, industrial controllers, or communication circuits, this transistor delivers stable and reliable performance across a wide range of operating conditions. Its compatibility with both existing and modern designs makes it a versatile choice for engineers, repair specialists, and electronics enthusiasts seeking dependable transistor performance.