ULN2003 7-Channel Darlington Transistor Array IC – DIP-16 Package
The ULN2003 7-Channel Darlington Transistor Array IC – DIP-16 Package is a practical solution for interfacing low-power digital circuits with higher-current loads. It contains seven NPN Darlington transistor pairs that allow microcontrollers and logic circuits to control devices that require more current than a standard GPIO pin can provide. With an output voltage rating of up to 50V and a continuous collector current rating of 500mA per channel, this ULN2003 driver IC is commonly used for controlling relays, DC motors, stepper motors, solenoids, and LED displays.
Its integrated suppression diodes help protect the circuit when switching inductive loads, while its compatibility with 5V TTL and CMOS logic makes it useful for Arduino-based electronics and automation projects. The standard 16-pin DIP package is convenient for breadboard testing, PCB assembly, and DIY electronic circuit development. Whether you're building a motor control circuit, a relay switching system, or a microcontroller-based automation project, the ULN2003 Darlington array IC offers a straightforward way to expand your output-driving capabilities.
Features:
- Seven Darlington transistor pairs for efficient high-current switching.
- Supports output voltages up to 50V and collector current up to 500mA per channel, subject to thermal limits.
- Built-in suppression diodes for protection when driving inductive loads.
- Compatible with 5V TTL and CMOS logic, ideal for Arduino and microcontroller projects.
- DIP-16 package for easy breadboard prototyping and through-hole PCB mounting.