ULN2003A SMD IC SOP-16 Darlington Transistor Array Driver
The ULN2003A SMD IC SOP-16 Darlington Transistor Array Driver is a versatile and high-performance device designed to handle high-voltage and high-current loads. Featuring seven NPN Darlington pairs, this device provides a compact and efficient solution for interfacing with relays, motors, and other inductive loads. The array offers exceptional current-driving capabilities, with each Darlington pair capable of handling up to 500 mA of current.
Housed in a space-saving SOP-16 package, the ULN2003A is ideal for applications where board space is at a premium. It offers a common-cathode diode for each channel, allowing it to handle the inductive kickback from motors and relays. The integration of base resistors allows direct operation from TTL or CMOS logic, making it easy to control and integrate into existing designs. With a maximum collector-emitter voltage rating of 50V, it is suitable for a wide range of applications.
The ULN2003A is engineered for robustness and reliable operation in industrial and automotive environments. Its high current-handling capability, coupled with its low input current requirements, ensures efficient switching of inductive and resistive loads. Its wide operating temperature range from -40°C to 105°C makes it adaptable for use in various environmental conditions, ensuring consistent performance across different applications.
Features:
- Seven NPN Darlington pairs for high-current drive.
- Supports up to 500 mA per output channel.
- Designed for driving relays, motors, and inductive loads.
- Input compatible with TTL and CMOS logic.
- Common-cathode diodes for flyback protection.
- Compact SOP-16 package for space efficiency.
- High-voltage handling (up to 50V).
- Wide temperature range from -40°C to 105°C.
Specifications:
| Product Attribute | Attribute Value |
| Product Category: | Darlington Transistors |
| Configuration: | Array 7 |
| Transistor Polarity: | NPN |
| Collector- Emitter Voltage VCEO Max: | 50 V |
| Maximum DC Collector Current: | 0.5 A |
| Mounting Style: | SMD/SMT |
| Package/Case: | SOP-16 |
| Minimum Operating Temperature: | – 40 C |
| Maximum Operating Temperature: | + 105 C |
| Packaging: | Cut Tape |
| Brand: | Texas Instruments |
| Operating Temperature Range: | – 40 C to + 105 C |
| Product Type: | Darlington Transistors |
Applications:
- Relay Drivers.
- Motor Controllers.
- Solenoid Drivers.
- LED Drivers.
- Stepper Motor Drivers.
- Inductive Load Switching.
- Logic Buffers.
Package Contents:
- 1x ULN2003A SMD IC SOP-16 Darlington Transistor Array Driver



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