
Texas Instruments
ULN2003ADR
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ULN2003ADR Description
The ULN2003ADR is a high-voltage, high-current Darlington transistor array manufactured by Texas Instruments. It is designed to provide a high current and high-voltage interface between low-voltage digital circuits and high-current devices such as motors, solenoids, and relays.
Description:
The ULN2003ADR is a 1A, 50V, 7 Darlington transistor array in a single package. It consists of seven open-collector Darlington pairs with common emitters, designed for use in a wide range of applications that require high current and high-voltage switching.
Features:
- High current and high-voltage capability: The ULN2003ADR can handle up to 1A of current and 50V of voltage per channel, making it suitable for driving high-current devices.
- Darlington configuration: The Darlington configuration provides a high current gain and low saturation voltage, which allows for efficient switching of high-current loads.
- Open-collector outputs: The open-collector outputs allow for easy interfacing with a wide range of devices, including NPN transistors, MOSFETs, and other load-switching applications.
- High switching speed: The ULN2003ADR can operate at high switching speeds, making it suitable for applications that require fast response times.
- Thermally protected: The device is thermally protected to prevent damage from overheating.
Applications:
- Motor control: The ULN2003ADR is commonly used in motor control applications, such as driving stepper motors, DC motors, and other types of motors.
- Relay control: The device can be used to control high-current relays, providing efficient switching of multiple relays from a single control signal.
- Solenoid control: The ULN2003ADR can be used to drive solenoids in applications such as automotive systems, industrial control, and robotics.
- LED lighting: The device can be used to drive high-current LEDs or LED arrays in lighting applications.
- Power switching: The ULN2003ADR can be used for power switching applications, such as switching power supplies or power distribution systems.
In summary, the ULN2003ADR is a versatile and powerful Darlington transistor array that can handle high current and high-voltage loads. Its features make it suitable for a wide range of applications, including motor control, relay control, solenoid control, LED lighting, and power switching.
FAQ
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 50+ | $0.09708 | $4.85 |
| 150+ | $0.08396 | $12.59 |
| 500+ | $0.07319 | $36.60 |
| 2500+ | $0.06941 | $173.53 |
| 5000+ | $0.06685 | $334.25 |



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