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2N4403BU

2N4403BU Description

The 2N4403BU is a PNP Bipolar Junction Transistor (BJT) manufactured by Fairchild Semiconductor. With a maximum collector-emitter breakdown voltage of 40V and a maximum collector current of 600mA, this device is designed for high-frequency applications, boasting a transition frequency of 200MHz. The 2N4403BU is available in a through-hole TO-92-3 package and is currently an active product. It is classified under the EAR99 export control classification number and falls under the category of Single Bipolar Transistors.

2N4403BU Features

• High-Frequency Performance: The 2N4403BU's transition frequency of 200MHz makes it suitable for high-speed switching applications.
• Power Handling: Capable of handling a maximum power dissipation of 625mW, this transistor is ideal for applications requiring moderate power levels.
• Low Saturation Voltage: The low Vce saturation voltage of 750mV at 50mA and 500mA ensures efficient operation in low-voltage circuits.
• High Current Gain: With a minimum DC current gain (hFE) of 100 at 150mA and 2V, the 2N4403BU offers reliable current amplification.
• Robust Construction: The through-hole mounting type provides a sturdy connection, making it suitable for a variety of electronic devices.

2N4403BU Applications

The 2N4403BU's combination of high-frequency performance and moderate power handling makes it an excellent choice for a variety of applications, including:

• Audio Amplifiers: Its high transition frequency and moderate power rating make it suitable for use in audio amplifiers.
• Switching Circuits: The low saturation voltage and high current gain make it ideal for use in switching circuits.
• RF Amplifiers: The 2N4403BU's high-frequency capabilities make it suitable for use in RF amplifiers.
• General-purpose Amplification: Its moderate power rating and high current gain make it suitable for general-purpose amplification tasks.

Conclusion of 2N4403BU

The 2N4403BU is a versatile PNP Bipolar Junction Transistor that offers a combination of high-frequency performance, moderate power handling, and low saturation voltage. Its robust construction and reliable current gain make it an ideal choice for a variety of applications, including audio amplifiers, switching circuits, RF amplifiers, and general-purpose amplification. With its active product status and Fairchild Semiconductor's reputation for quality, the 2N4403BU is a reliable choice for your electronic design needs.