The ULN2803ADWR is a high-voltage, high-current Darlington transistor array. It consists of eight NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
Eight Darlington transistors with common-cathode clamp diodes
High-voltage outputs (up to 50V)
High-current capability (up to 500mA per channel)
Compatible with TTL and CMOS logic
Wide operating temperature range (-40°C to 105°C)
Used for driving a wide range of loads such as relays, motors, and lamps
Provides efficient and reliable switching performance
Offers protection against back EMF from inductive loads
Industrial automation
Consumer electronics
Automotive systems
Medical equipment
Ensure proper heat sinking for high-current applications. Follow the datasheet guidelines for optimum performance and reliability.
The ULN2803ADWR from Texas Instruments is a versatile and reliable solution for driving a variety of inductive loads in different applications. Its high-voltage and high-current capabilities, along with built-in protection features, make it a preferred choice for engineers.
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