The ON Semiconductor 2SA1256 is a high-performance PNP bipolar junction transistor (BJT) designed for use in a wide range of electronic applications. This semiconductor device is known for its high current capacity and low voltage operation, making it an ideal choice for power amplification and switching applications.

Key Features:

• High Current Capability: The 2SA1256 is capable of handling high current throughput, which is essential for applications requiring significant power handling capabilities.
• Low Saturation Voltage: It offers low collector-emitter saturation voltage, ensuring efficient operation with minimal power loss, which is particularly advantageous in power-sensitive designs.
• Complementary Design: This transistor is designed to be complementary to ON Semiconductor's 2SC3179 NPN transistor, providing designers with a balanced solution for push-pull configurations.
• Wide Range of Applications: Suitable for audio frequency amplifier and high-speed switching applications, the 2SA1256 is versatile for use in consumer electronics, industrial systems, and commercial devices.

Specifications:

Parameter Value Collector-Base Voltage (VCBO) -120 V Collector-Emitter Voltage (VCEO) -80 V Emitter-Base Voltage (VEBO) -5 V Collector Current (IC) -1 A Power Dissipation (PD) 25 W Operating Junction Temperature (Tj) -55 to +150 °C

The 2SA1256 from ON Semiconductor is a reliable choice for designers looking for a robust PNP transistor with excellent performance characteristics. Its ability to operate at low voltages while handling significant current loads makes it a versatile component for a broad spectrum of electronic products.