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ULN2003A 7-Channel Darlington Driver
- ULN2003A 7-Channel Darlington Driver IC for high-current load control
- Drives relays, stepper motors, solenoids, and LED arrays
- Supports up to 50V output voltage and 500mA per channel
- Built-in flyback diodes for inductive load protection
- TTL/CMOS compatible inputs for easy MCU interfacing
- Ideal for robotics, automation, and embedded systems
Description
The ULN2003A 7-Channel Darlington Driver IC is a powerful and reliable solution for driving high-current and high-voltage loads using low-current logic signals. It integrates seven NPN Darlington transistor pairs in a single compact package, making it perfect for controlling relays, stepper motors, solenoids, and LED arrays from microcontrollers like Arduino, ESP32, Raspberry Pi, or PLC systems. Because it includes built-in flyback diodes, it safely handles inductive loads without requiring external protection components. With output voltage support up to 50V and current handling up to 500mA per channel, the ULN2003A ensures stable and efficient load driving in robotics, automation, and industrial control applications. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
Seven Independent Driver Channels – Control multiple loads from a single IC.
High Voltage & Current Handling – Supports up to 50V and 500mA per channel.
Integrated Flyback Diodes – Protects against voltage spikes from inductive loads.
TTL/CMOS Logic Compatible – Directly interfaces with microcontrollers and digital systems.
Compact Multi-Channel Design – Reduces PCB space and simplifies wiring.
Reliable Darlington Configuration – Provides strong current amplification.
Widely Used Industry Standard – Proven performance in automation and robotics projects.
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Applications:
Stepper motor driver circuits (e.g., 28BYJ-48 motor modules).
Relay driver boards for home automation and PLC systems.
LED array and display driving applications.
Robotics actuator and motor control.
Embedded control and industrial automation systems.
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| General Specifications | |
| Product Name | ULN2003A Driver IC |
| Type | Darlington Transistor Array |
| Channels | 7 Independent Outputs |
| Output Voltage | Up to 50V |
| Output Current | Up to 500mA per channel |
| Input Compatibility | TTL / CMOS Logic |
| Built-in Flyback Diodes | Yes |
| Package Type | DIP-16 / SOP-16 |
| Operating Temperature | −20°C to +85°C |
| Shipment Weight | 0.005 kg |
| Shipment Dimensions | 3 × 3 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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Package Includes:
1 x ULN2003A 7-Channel Darlington Driver
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Product Details
RBD-3385
199 Items
Specific References
- EAN13
- 3385
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- ULN2003A 7-Channel Darlington Driver IC for high-current load control
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