ULN2803 (8)
The ULN2803 is available from Texas Instruments at Xecor. Designed for driving high-current loads, the ULN2803 offers 8 NPN Darlington transistors with a collector current (Ic) of up to 500mA and a collector-emitter voltage (Vce) of 50V, making it suitable for a wide range of applications. Available in the 18-SOIC package, it is ideal for automotive and industrial applications, particularly where reliable switching and control are required. Whether used in relay drivers, LED displays, or motor control systems, this series ensures robust performance, high efficiency, and AEC-Q100 qualification for demanding environments. Xecor is an authorized distributor for Texas Instruments. Please view our extensive selection of the ULN2803 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| ULN2803ADWR | ULN2803ADWR is a reliable and efficient driver for a variety of electronic applications | SOIC-18 | 8,362 | |
| ULN2803ADWRG4 | Trans Darlington NPN 50V 0.5A 18-Pin SOIC T/R | SOIC-18 | 5,249 | |
| ULN2803ADWG4 | 0V NPN 500mA SOIC-18 | SOIC-18 | 6,252 | |
| ULN2803AN | NPN Darlington transistor array | PDIP-18 | 3,456 | |
| ULN2803AFWG,C,EL | NPN Transistor Array | SOIC-18 | 9,130 | |
| ULN2803APG | Durable and rugged, this transistor withstands harsh environmental conditions | 18-DIP | 4,277 | |
| ULN2803AFWG(O,EL,M | ULN2803AFWG(O,EL,M) is a versatile and reliable component commonly used in various electronic applications | SOIC-18 | 6,685 | |
| ULN2803ADW | Eight-element transistor package in MS-013AB configuration | SOIC-18 | 4,182 |
Key Featrues
High Current Handling Capability: The ULN2803 can handle up to 500mA of collector current, making it suitable for driving high-current loads such as relays, motors, and LEDs. This feature enhances its performance in applications requiring robust current control.
Automotive Grade Qualification: The device is AEC-Q100 qualified, ensuring reliability and durability in automotive environments. This makes it ideal for use in automotive electronics where components must withstand harsh conditions and temperature fluctuations.
8 NPN Darlington Configuration: The inclusion of 8 NPN Darlington pairs in a single package allows for the control of multiple high-power devices simultaneously. This increases efficiency in multi-channel applications, reducing the need for additional components.
Surface Mount Design: The 18-SOIC package enables surface mounting, which is beneficial for compact PCB designs and automated assembly processes. This feature improves manufacturing efficiency and supports modern, space-constrained electronic designs.
Wide Operating Temperature Range: With an operating temperature range of -40°C to 85°C, the ULN2803 is versatile and reliable in extreme environments. This broad range ensures stable performance in both industrial and automotive applications.
Automotive Grade Qualification: The device is AEC-Q100 qualified, ensuring reliability and durability in automotive environments. This makes it ideal for use in automotive electronics where components must withstand harsh conditions and temperature fluctuations.
8 NPN Darlington Configuration: The inclusion of 8 NPN Darlington pairs in a single package allows for the control of multiple high-power devices simultaneously. This increases efficiency in multi-channel applications, reducing the need for additional components.
Surface Mount Design: The 18-SOIC package enables surface mounting, which is beneficial for compact PCB designs and automated assembly processes. This feature improves manufacturing efficiency and supports modern, space-constrained electronic designs.
Wide Operating Temperature Range: With an operating temperature range of -40°C to 85°C, the ULN2803 is versatile and reliable in extreme environments. This broad range ensures stable performance in both industrial and automotive applications.
Applications
Automotive Relay Driver: The ULN2803 is perfect for driving relays in automotive applications, such as controlling headlights, wipers, or power windows. Its 8 NPN Darlington configuration can handle up to 500mA per channel, making it suitable for high-current loads. The AEC-Q100 qualification ensures reliability in harsh automotive environments, while the surface-mount package allows for compact PCB designs.
Industrial Solenoid Controller: This transistor array is ideal for controlling solenoids in industrial automation systems. With a collector-emitter breakdown voltage of 50V and a maximum collector current of 500mA, it can drive multiple solenoids simultaneously. The ULN2803's Darlington pairs provide high current gain, ensuring efficient operation in factory automation and machinery control systems.
LED Matrix Driver: The ULN2803 can be used to drive large LED matrices in display panels or signage. Its ability to handle multiple high-current outputs makes it suitable for controlling rows or columns of LEDs. The surface-mount 18-SOIC package allows for integration into compact display modules, while the wide operating temperature range (-40°C to 85°C) ensures reliable performance in both indoor and outdoor environments.
Stepper Motor Driver: This transistor array is well-suited for driving stepper motors in applications like 3D printers, CNC machines, or robotics. The ULN2803's Darlington configuration provides the necessary current amplification to drive motor windings, while its 50V breakdown voltage and 500mA current handling ensure compatibility with a wide range of stepper motors. The automotive-grade qualification makes it robust for demanding industrial and hobbyist applications.
Industrial Solenoid Controller: This transistor array is ideal for controlling solenoids in industrial automation systems. With a collector-emitter breakdown voltage of 50V and a maximum collector current of 500mA, it can drive multiple solenoids simultaneously. The ULN2803's Darlington pairs provide high current gain, ensuring efficient operation in factory automation and machinery control systems.
LED Matrix Driver: The ULN2803 can be used to drive large LED matrices in display panels or signage. Its ability to handle multiple high-current outputs makes it suitable for controlling rows or columns of LEDs. The surface-mount 18-SOIC package allows for integration into compact display modules, while the wide operating temperature range (-40°C to 85°C) ensures reliable performance in both indoor and outdoor environments.
Stepper Motor Driver: This transistor array is well-suited for driving stepper motors in applications like 3D printers, CNC machines, or robotics. The ULN2803's Darlington configuration provides the necessary current amplification to drive motor windings, while its 50V breakdown voltage and 500mA current handling ensure compatibility with a wide range of stepper motors. The automotive-grade qualification makes it robust for demanding industrial and hobbyist applications.
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