The BUL312 from STMicroelectronics is a high-voltage fast-switching NPN power transistor designed for use in lighting applications and electronic ballasts, as well as in flyback and forward single-ended converters. This power transistor is tailored to deliver performance and reliability in systems where efficient power management and high switching speeds are crucial.

Key Features

• Voltage Capabilities: The BUL312 has a collector-emitter voltage (Vceo) of up to 800V, which allows it to handle high voltage applications with ease.
• Current Handling: It can support a collector current (Ic) of up to 3A, ensuring that it can manage significant power levels for a variety of electrical tasks.
• Speed: This component is known for its fast switching capabilities, making it ideal for circuits that require rapid transitions.
• Saturation Voltage: The transistor has a low collector-emitter saturation voltage, which contributes to higher efficiency by reducing on-state power dissipation.
• Robustness: The BUL312 is built to withstand harsh conditions and is characterized by its high ruggedness.

Applications

The versatility of the BUL312 allows it to be used in a wide range of applications. It is particularly well-suited for:

• Electronic ballasts for fluorescent lighting
• Switch mode power supplies (SMPS)
• Converters and inverters
• Motor control circuits

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality, and the BUL312 is no exception. It is designed to meet the stringent requirements of industrial and consumer electronic devices. With its excellent switching performance and high voltage capability, the BUL312 is a reliable choice for designers looking to create efficient and durable power management systems.

Package and Availability

The BUL312 is available in a TO-220 package, which is widely used and recognized in the industry for its thermal and mechanical robustness. This package is suitable for through-hole mounting, providing ease of integration into various circuit designs. For pricing, availability, and ordering information, please visit the STMicroelectronics website or contact an authorized distributor.