STMicroelectronics BUL310XI High Voltage Fast-Switching NPN Power Transistor

The BUL310XI is a high-performance NPN power transistor developed by STMicroelectronics, designed to deliver efficiency and reliability for a wide range of high-voltage applications. This device is particularly suitable for lighting, switching regulators, and motor control circuits where high-speed switching is a critical requirement. The BUL310XI is a testament to STMicroelectronics' commitment to providing innovative semiconductor solutions that meet the evolving needs of modern electronic circuits.

Key Features

• Voltage Capabilities: The BUL310XI boasts a collector-emitter voltage (V_CEO) of 450V, making it well-suited for circuits that require high voltage handling capabilities.
• Current Handling: With a collector current (I_C) rating of up to 8A, this transistor can manage significant power levels, essential for high-power applications.
• Speed: As a fast-switching device, it features a low collector-emitter saturation voltage and a fast switching speed, enhancing overall circuit efficiency and performance.
• Safe Operating Area: The BUL310XI is designed with a fully isolated TO-220 plastic package, ensuring a wide safe operating area and making it easy to mount with reduced thermal resistance.
• Temperature Performance: It can operate within a junction temperature range of -65°C to 150°C, providing reliable performance across a broad spectrum of temperature conditions.

Applications

• Electronic Ballasts for Fluorescent Lighting
• Switch Mode Power Supplies (SMPS)
• DC-DC Converters
• Motor Control Circuits
• High-Frequency Inverters

The BUL310XI from STMicroelectronics is an excellent choice for designers who require a robust and high-speed switching transistor. Its combination of high voltage capability, current handling, speed, and thermal performance ensures that it can be used in a variety of demanding applications. With its fully isolated package, it is not only safe and easy to use but also provides the durability needed for long-term operation. Whether you're designing power supplies or motor controllers, the BUL310XI offers the performance and reliability expected from a leader in power semiconductor technology.