ON Semiconductor 2SD1667 NPN Bipolar Transistor

The 2SD1667 is a powerful NPN bipolar junction transistor (BJT) designed and manufactured by ON Semiconductor, a leading provider in the semiconductor industry. This transistor is well-suited for a variety of applications that require high-speed switching and amplification, making it a versatile component for both hobbyist and commercial electronic projects.

Key Features

• Voltage Ratings: The 2SD1667 boasts a collector-base voltage (VCBO) of 60V, a collector-emitter voltage (VCEO) of 50V, and an emitter-base voltage (VEBO) of 5V. These ratings ensure that the transistor can handle moderate voltage applications with ease.
• Current Handling: With a continuous collector current (IC) of up to 3A, this transistor can drive a significant amount of current, making it suitable for power switching applications.
• High Power Dissipation: The device can dissipate up to 25W of power, allowing it to manage considerable thermal loads during operation.
• High Gain Bandwidth Product: It features a transition frequency (fT) of 100MHz, indicative of its ability to operate effectively at high frequencies, which is beneficial for RF and high-speed signal processing circuits.

Applications

The 2SD1667 is commonly used in a variety of applications, including:

• Power regulators
• DC-DC converters
• Motor control circuits
• Audio amplifiers
• Switching power supplies
• Driver stages in hi-fi amplifiers and television circuits

Package and Quality

ON Semiconductor has packaged the 2SD1667 in a TO-220AB package, which is widely used for medium power devices. The TO-220AB package ensures easy mounting on printed circuit boards and provides excellent thermal performance. Additionally, ON Semiconductor's commitment to quality means that each 2SD1667 transistor is built to the highest standards, ensuring reliability and performance in your electronic designs.

Whether you're designing a new power supply, upgrading an audio amplifier, or working on motor control, the 2SD1667 from ON Semiconductor is a solid choice that offers robust performance and reliability.