ULN2803AG Darlington Transistor Arrays 50V 500mA SOP-18

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ULN2803AG Darlington Transistor Arrays 50V 500mA SOP-18 The ULN2803AG is a high-voltage, high-current Darlington transistor array designed to interface low-power logic circuits with high-power loads. It contains eight Darlington pairs with common emitters and integrated suppression diodes for driving inductive loads such as relays, solenoids, and stepper motors. The device is commonly used to expand the output capability of microcontrollers, logic ICs, and embedded systems. With its SOP-18 surface-mount package, the ULN2803AG is suitable for compact PCB designs while maintaining reliable switching performance. The built-in clamp diodes provide protection against voltage spikes generated by inductive loads, making the IC highly reliable in automation, industrial control, and embedded electronic systems. Features: Eight high-current Darlington transistor pairs. High voltage output capability. Integrated flyback diodes for inductive load protection. Compatible with TTL and CMOS logic levels. Common emitter configuration. Designed for driving relays, lamps, and motors. Compact SOP-18 surface-mount package. Reliable and easy interface with microcontrollers. Specifications: Parameter Value Model ULN2803AG Device Type Darlington Transistor Array Number of Channels 8 Output Voltage 50V Output Current 500mA per channel Input Compatibility TTL / CMOS Package Type SOP-18 Mounting Type Surface Mount Clamp Diodes Integrated Operating Temperature -40°C to +85°C Pinout: Pin Name Description 1 IN1 Channel 1 Input 2 IN2 Channel 2 Input 3 IN3 Channel 3 Input 4 IN4 Channel 4 Input 5 IN5 Channel 5 Input 6 IN6 Channel 6 Input 7 IN7 Channel 7 Input 8 IN8 Channel 8 Input 9 GND Ground 10 COM Common diode connection 11 OUT8 Channel 8 Output 12 OUT7 Channel 7 Output 13 OUT6 Channel 6 Output 14 OUT5 Channel 5 Output 15 OUT4 Channel 4 Output 16 OUT3 Channel 3 Output 17 OUT2 Channel 2 Output 18 OUT1 Channel 1 Output Applications: Relay drivers. Stepper motor drivers. LED and lamp drivers. Microcontroller output expansion. Industrial automation systems. Solenoid and valve control. Embedded electronic systems. Package Included: 1x ULN2803AG Darlington Transistor Arrays 50V 500mA SOP-18. Datasheet: ULN2803AG.