
Darlington Transistor Array, 7 NPN Transistors, 500mA, 50V, 16-Pin TSSOP
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The ULN2003AIPWR is a 50V, 500mA Darlington transistor array with seven channels, each capable of driving inductive loads like relays, motors, and LEDs. Packaged in a TSSOP-16, it includes built-in freewheeling diodes for back-EMF protection. Operating at 3V to 5V logic inputs, it simplifies interfacing microcontrollers with high-power peripherals. Common applications include automotive systems, PLCs, and printer head drivers. Benefits include high current gain (2500 at 350mA), low saturation voltage (1.1V), and rugged design for repetitive switching.