The ULN2803A device is a DIP IC having high-voltage, high-current Darlington transistor array. The device consists of (Single Output) eight NPN Darlington pairs that feature high-voltage output with common cathode clamp diodes for switching inductive loads.

Features of ULN2803 Darlington Transistor Arrays:

• 500-mA-Rated Collector Current.
• High-Voltage Outputs: 50 V.
• Output Clamp Diodes.
• Inputs Compatible With variable types of logic.
• Relay-Driver Applications.
• Compatible with ULN2800A Series.

Applications of ULN2803 Darlington Transistor Arrays:

• Relay Drivers.
• Lamp Drivers.
• Display Drivers.
• Line Drivers.
• Logic Buffers DIY projects.
• Arduino projects.
• Raspberry-Pi projects.
• Electrical/Electronic projects.

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