STMicroelectronics 4-Element Darlington Transistor Array 1.5A 80V 16-Pin PDIP ULN2065B

The STMicroelectronics ULN2065B is a high-performance Darlington transistor array integrating four NPN elements within a single 16-pin PDIP package. Designed for specialty applications requiring reliable switching, the ULN2065B is capable of handling a maximum continuous collector current of 1.5A per channel and a collector-emitter voltage of up to 80V. This makes it ideal for driving actuators, solenoids, relays, and other inductive loads in industrial, automation, and power control systems.

Employing a Darlington configuration, this IC achieves high current gain and efficient switching characteristics. Each element includes integral suppression diodes specifically designed to protect against voltage spikes produced by inductive loads, minimizing system risks. The array is optimized for standard TTL or CMOS logic level operation, offering ease of integration and compatibility with a range of controller platforms.

The PDIP package provides robust through-hole mounting, facilitating reliable hardware connections and ease of assembly in prototyping or production environments. With a total of 16 pins, the IC supports multiple interface connections, allowing users to control four outputs independently.

The ULN2065B's maximum power dissipation rating is 4.3W, ensuring thermal stability in demanding applications. Its operating temperature range spans from -20°C to 85°C, enabling dependable performance across industrial and laboratory conditions. Device dimensions include a length of 20mm and height of 5.1mm, ensuring compact integration onto circuit boards without sacrificing performance.

In addition to its electrical capabilities, the array's robust NPN transistor polarity is ideal for digital switching, power control, and signal amplification tasks. It is commonly employed in automation panels, relay driver circuits, and motor control interfaces for manufacturing equipment and laboratory instrumentation.

Other design benefits include inputs pinned opposite the outputs for streamlined board layout and installation. Automotive standards are not claimed, emphasizing use in general industrial and electronic environments.

For engineers and designers requiring high-current, high-voltage switching performance in a compact, easy-to-integrate solution, the ULN2065B from STMicroelectronics offers reliable operation and proven quality. Explore more transistor arrays and power management solutions in the Darlington Transistor category and browse other STMicroelectronics components on EnvMart.