The ULN2803AN is a popular discrete semiconductor component that is commonly used in various electronic applications. It is an octal high-voltage, high-current Darlington transistor array that is designed to interface between low-level logic signals and high-power loads.
Key features of the ULN2803AN include:
1. Eight Darlington transistors with common emitter connections
2. Maximum voltage rating of 50V
3. Maximum current rating of 500mA per channel
4. High input impedance (up to 10kΩ)
5. Built-in clamp diodes for inductive load protection
6. TTL/CMOS compatible input
7. Available in a 18-pin DIP package
The ULN2803AN is commonly used in applications such as driving relays, solenoids, stepper motors, and other high-current devices from microcontrollers and other low-power logic circuits. Its high-voltage and high-current capabilities make it a versatile and reliable component for a wide range of electronic projects
