STMicroelectronics 4-Element NPN Darlington Transistor Array 500mA 50V 16-Pin PDIP ULN2068B

STMicroelectronics ULN2068B is a Darlington transistor array designed for industrial and commercial electronic applications. This device integrates 4 NPN Darlington transistor pairs capable of handling high current switching loads up to 500 mA continuously, with a maximum collector-emitter voltage of 50 V.

The 16-pin PDIP package allows for easy through-hole mounting and optimizes PCB layout by pinning inputs opposite to outputs. Each transistor pair includes integral suppression diodes, providing protection when driving inductive loads such as relays, motors, and solenoids.

This transistor array is ideal for interfacing with standard logic levels compatible with TTL or CMOS outputs. Its robust maximum power dissipation of 4.3 W and wide operating temperature range from -20°C to 85°C ensure dependable performance in industrial environments.

The compact dimensions of 20 mm in length and 5.1 mm in height aid in saving board space without compromising electrical specifications. This Darlington transistor array includes 4 high-voltage, high-current NPN transistor pairs.

Each element supports a maximum continuous collector current of 500 mA. The maximum collector-emitter voltage is rated at 50 V suitable for various switching applications. 16-pin PDIP through-hole package simplifies board layout and mounting.

Maximum power dissipation per device is 4.3 W for robust operation. Designed with integral suppression diodes for inductive load protection. Standard logic level interface compatible with TTL and CMOS circuits. Operating temperature range from -20°C to 85°C ensures reliability in diverse environments.

Compact package measuring 20 mm length and 5.1 mm height optimizes space efficiency.

This product is widely used in industrial, manufacturing, electronic equipment design, and embedded system projects requiring efficient high-current switching and driving inductive components.

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