ON Semiconductor 2SA1781 PNP Transistor
The ON Semiconductor 2SA1781 is a high-quality PNP transistor that is designed to meet the needs of various electronic applications requiring efficient amplification and switching. This semiconductor device is a crucial component for designers and engineers who demand reliability and performance in their circuit designs.
Key Features
- High Current Capacity: The 2SA1781 is capable of handling a continuous collector current (Ic) of up to 500mA, making it suitable for moderate power applications.
- Low Voltage Operation: With a collector-emitter voltage (Vceo) of -50V, it is optimized for low voltage operations, ensuring stability and energy efficiency.
- High Gain Bandwidth Product: It offers a transition frequency (fT) of 120MHz, which is indicative of its ability to handle high-speed signals, making it ideal for amplification in radio frequency applications.
- Complementary NPN Type: The 2SA1781 is designed to work in conjunction with its complementary NPN type transistor, providing a complete solution for push-pull, differential, or complementary amplifier configurations.
Applications
- Audio frequency amplifier stages
- Signal processing circuits
- Power management solutions
- Driver stages in hi-fi amplifiers and television circuits
Product Specifications
Parameter
Value
Transistor Polarity
PNP
Collector-Emitter Voltage Vceo
-50V
Collector Current Ic
500mA
Transition Frequency fT
120MHz
Power Dissipation Pd
400mW
The ON Semiconductor 2SA1781 is a robust and versatile PNP transistor that offers excellent performance for a wide range of electronic applications. Its low voltage operation, high current capacity, and high-frequency response make it a preferred choice for professionals seeking efficient and reliable semiconductor components.