ON Semiconductor 2SA1688 PNP Transistor

The ON Semiconductor 2SA1688 is a high-voltage PNP bipolar transistor designed for use in a wide array of electronic applications. This transistor is known for its reliability and efficiency, making it a popular choice among professionals in the electronics industry. The 2SA1688 is particularly well-suited for power amplification and switching applications where high voltage is required.

Key Features

• Voltage Capabilities: The 2SA1688 boasts a collector-emitter voltage (Vceo) of -120V, which enables it to handle high-voltage applications with ease.
• Current Handling: With a continuous collector current (Ic) of -1A, this transistor can drive moderate loads, making it versatile for various circuit designs.
• Power Dissipation: It has a power dissipation (Pc) of 20W, ensuring that it can manage significant levels of power without overheating.
• Gain Bandwidth Product: Featuring a transition frequency (fT) of 100MHz, the 2SA1688 is capable of operating effectively at high frequencies.
• High hFE: The high DC current gain (hFE) ranges from 55 to 320 at -500mA, which indicates efficient current amplification in the active region.

Applications

• Audio Power Amplifiers
• Power Management Circuits
• DC-DC Converters
• Switching Regulators
• Driver Stages in Hi-Fi Amplifiers
• Charge Pumps

The 2SA1688 PNP transistor from ON Semiconductor is presented in a TO-220AB package, which is widely recognized for its ease of mounting and excellent thermal properties. This packaging allows the transistor to be easily integrated into a variety of PCB layouts while providing robust performance. Whether you are designing a new audio amplifier or looking to improve the efficiency of a power management system, the 2SA1688 provides the reliability and performance needed for demanding applications.

For detailed specifications, application notes, and additional resources, designers and engineers are encouraged to consult the official ON Semiconductor datasheets and product guides. The 2SA1688 is a testament to ON Semiconductor's commitment to providing high-quality components that drive innovation and performance in electronics design.