onsemi

FFB3904

FFB3904 Description

The FFB3904 is a dual NPN bipolar transistor array designed for high-frequency applications. Manufactured by onsemi, this device offers exceptional performance in a compact SC70-6 package. With a maximum collector-emitter breakdown voltage of 40V and a maximum collector current of 200mA, the FFB3904 is well-suited for a variety of electronic circuits.

FFB3904 Features

• High Frequency Performance: The FFB3904 boasts a transition frequency of 250MHz, making it ideal for high-speed switching and amplification applications.
• Low Saturation Voltage: With a maximum Vce saturation voltage of 300mV at 5mA and 50mA, this device offers low power dissipation and high efficiency.
• Dual NPN Configuration: The FFB3904's dual NPN transistors provide flexibility in circuit design, allowing for both common emitter and common base configurations.
• Surface Mount Packaging: The SC70-6 package enables easy integration into surface-mount printed circuit boards, reducing overall footprint and improving manufacturing efficiency.
• Robust DC Current Gain: With a minimum hFE of 100 at 10mA and 1V, the FFB3904 delivers consistent performance across a wide range of operating conditions.

FFB3904 Applications

The FFB3904 is well-suited for a variety of applications, including:

• RF and IF Amplifiers: The high transition frequency and low saturation voltage make this device ideal for use in radio frequency and intermediate frequency amplifiers.
• Switching Regulators: The FFB3904's low saturation voltage and high current handling capabilities make it suitable for use in switching power supply regulators.
• Automotive Electronics: This device's ability to handle high voltages and currents, combined with its robustness against moisture, makes it an excellent choice for automotive electronics applications.
• Industrial Control Systems: The FFB3904's high performance and reliability make it suitable for use in industrial control systems, where high-speed switching and amplification are required.

Conclusion of FFB3904

The FFB3904 is a versatile and high-performance dual NPN bipolar transistor array from onsemi. Its combination of high frequency performance, low saturation voltage, and dual NPN configuration make it an excellent choice for a wide range of applications, including RF and IF amplifiers, switching regulators, automotive electronics, and industrial control systems. While the FFB3904 is now considered obsolete, its unique features and advantages still make it a valuable component for many high-speed and high-voltage applications.