STMicroelectronics BDX53C NPN Darlington Transistor, TO-220 Package

The STMicroelectronics BDX53C is a high-performance complementary power Darlington transistor housed in a robust TO-220 package, designed for through-hole mounting. Manufactured using advanced planar base island technology with a monolithic Darlington configuration, this device delivers exceptional reliability and consistent performance in demanding applications.

This transistor is engineered to offer a high DC current gain (hFE) and a superior fT frequency, making it an excellent choice for both linear and switching operations. Its robust construction ensures stable power handling, ideal for industrial equipment, power management systems, and audio amplification circuits where efficiency and durability are paramount.

Key Performance Characteristics

With a collector-to-emitter voltage (Vce) of 100V and a continuous collector current (Ic) rating of 8A, the BDX53C is built to handle significant power loads. It features a power dissipation (Pd) of 60W, ensuring it can operate effectively under high-stress conditions without compromising performance. The low collector-to-emitter saturation voltage of just 2V at a 3A collector current contributes to high efficiency and minimised power loss in switching applications.

The device maintains a high DC current gain of 750 at 3A, providing excellent signal amplification. Its operational reliability is further reinforced by a wide operating junction temperature range extending up to 150°C, allowing it to function in environments with elevated thermal conditions.

Applications

This versatile transistor is typically suited for a broad spectrum of electronic designs, including power management solutions, consumer electronics, portable devices, and industrial control systems. Its combination of high current capability, voltage tolerance, and thermal performance makes it a dependable component for engineers and hobbyists alike.

**Physical and DIMs