Transistor BUT11AF NPN 5A 450V

Description:Transistor BUT11AF NPN 5A 450V

The BUT11AF Transistor is a high-voltage NPN bipolar junction transistor (BJT) designed for switching, amplification, and power control applications. Known for its high efficiency, durability, and superior voltage handling, the BUT11AF Transistor is ideal for use in television circuits, power regulators, inverters, and SMPS (Switched Mode Power Supply) systems.

With a collector-emitter voltage rating of 450V and a collector current capability of 5A, the BUT11AF Transistor ensures reliable operation in circuits that demand high power and fast switching performance. Furthermore, its low collector-emitter saturation voltage minimizes energy loss and improves overall system efficiency. Because of its epitaxial planar construction, it provides excellent thermal stability and consistent operation even under high-temperature conditions.

Additionally, the BUT11AF Transistor offers high DC current gain (hFE) and fast switching capability, which make it suitable for horizontal deflection stages in CRT televisions, power amplifiers, and motor control circuits. The fully insulated TO-3PF or TO-218 package allows for enhanced electrical isolation and efficient heat dissipation, making it highly reliable for continuous operation in demanding electronic environments.

Overall, the BUT11AF Transistor combines high voltage endurance, fast switching speed, and strong thermal performance, making it an excellent choice for both industrial and consumer-grade electronic systems.

Key Features:

• NPN Power Transistor: Designed for high-voltage, high-current applications.

• Collector-Emitter Voltage (Vce): Rated at 450V for robust voltage operation.

• Collector Current (Ic): Supports up to 5A continuous current.

• Low Saturation Voltage: Enhances energy efficiency and reduces heat buildup.

• High DC Current Gain (hFE): Ensures stable and precise amplification.

• Fast Switching Response: Suitable for high-frequency power conversion.

• Fully Isolated Package (TO-3PF/TO-218): Improves thermal management and safety.

Applications:

• Switched Mode Power Supplies (SMPS)

• Television horizontal output and deflection circuits

• Power amplifiers and inverter systems

• DC-DC converters and voltage regulators

• Motor control and industrial switching circuits

• Lighting control and automation systems

Electrical Characteristics (Typical Values):

Advantages:

• High-voltage and high-current capability for demanding applications.

• Energy-efficient performance with low switching and conduction losses.

• Excellent reliability in continuous high-load operation.

• Fast and stable switching, ideal for precision power control.

• Fully insulated design provides safe and efficient heat transfer.

• Rugged mechanical construction for long service life.

Summary:

The BUT11AF Transistor is a 5A, 450V NPN power transistor optimized for high-voltage switching, amplification, and control circuits. It combines low energy loss, fast switching performance, and outstanding thermal stability, making it ideal for power supplies, amplifiers, and motor drivers.

In conclusion, the BUT11AF Transistor is a versatile, durable, and high-efficiency component that delivers excellent electrical performance and reliability under demanding operating conditions. Whether used in television systems, SMPS units, or industrial automation, it guarantees consistent, long-lasting, and energy-efficient results.