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The ULN2003AN/ADR is a Darlington tube array driving circuit with seven groups of NPN Darlington tubes. The emitters and open-collector outputs of each set of Darlington tubes are linked together. It is mostly used to power relays, electric hammers, lighting equipment, and LED display systems.
• 500-mA-Rated Collector Current (Single Output)
• High-Voltage Outputs: 50 V
• Output Clamp Diodes
• Inputs Compatible With Various Types of Logic
• Relay-Driver Applications
• Relay Drivers
• Lamp Drivers
• Line Drivers
• Logic Buffers
• Display Drivers (LED and Gas Discharge)
• Stepper and DC Brushed Motor Drivers
The ULN2003AD device is made up of seven NPN Darlington transistor pairs with high voltage and current.
-20°C~70°C TA.
The main difference between the ULN2003 and the ULN2004 is the value of the resistor between input and base of the darlington transistor.
Explanation: We need a ULN2803 for driving a relay because the relay coil requires 10mA or more current to be energized.
Menge. | Stückpreis |
---|---|
1+: | $0.07160 |
10+: | $0.06755 |
100+: | $0.06372 |
500+: | $0.06012 |
1000+: | $0.05671 |
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