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    ULN2803A 8-Channel Darlington Driver Robotics Bangladesh
    • ULN2803A 8-Channel Darlington Driver Robotics Bangladesh

    ULN2803A 8-Channel Darlington Driver

    RBD-3386

    • ULN2803A 8-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 safe inductive load protection
    • TTL/CMOS compatible inputs for direct microcontroller interfacing
    • Ideal for robotics, automation, and industrial control systems
    BDT 18
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    Quantity
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    200 Items

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    Description

    The ULN2803A 8-Channel Darlington Driver IC is a reliable and efficient transistor array designed to control high-voltage and high-current loads from low-power digital logic signals. It integrates eight NPN Darlington pairs inside a single compact package, allowing you to drive relays, stepper motors, solenoids, DC motors, and LED arrays directly from microcontrollers such as Arduino, ESP32, Raspberry Pi, or PLC systems. Moreover, the built-in flyback diodes protect your circuit from voltage spikes generated by inductive loads, ensuring long-term stability and safety. With support for up to 50V output voltage and 500mA current per channel, the ULN2803A provides a compact and cost-effective alternative to multiple discrete transistors in robotics, embedded systems, and automation projects. Featured By RoboticsBD.

    Product Images are shown for illustrative purposes only and may differ from the actual product.

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    Features:

    1. Eight Independent Driver Channels – Control multiple high-power loads using one IC.

    2. High Voltage & Current Handling – Supports up to 50V and 500mA per channel.

    3. Integrated Flyback Diodes – Protects circuits from back-EMF in inductive loads.

    4. TTL/CMOS Logic Compatible Inputs – Directly connects to microcontrollers and digital ICs.

    5. Compact Multi-Channel Design – Replaces multiple discrete transistors and reduces PCB complexity.

    6. Reliable Darlington Configuration – Provides strong current gain and stable switching.

    7. Industrial-Grade Performance – Suitable for automation and embedded applications.

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    Applications:

    1. Relay and solenoid driver circuits.

    2. Stepper motor and DC motor control boards.

    3. LED matrix and high-power LED driving systems.

    4. Arduino, ESP32, Raspberry Pi, and PLC interfacing.

    5. Robotics actuator control and industrial automation systems.

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    General Specifications
    Product NameULN2803A Driver IC
    TypeDarlington Transistor Array
    Channels8 Independent Outputs
    Output VoltageUp to 50V
    Output CurrentUp to 500mA per channel
    Input CompatibilityTTL / CMOS Logic
    Built-in Flyback DiodesYes
    Package TypeDIP-18 / SOP-18
    Operating Temperature−20°C to +85°C (Typical)
    Shipment Weight0.005 kg
    Shipment Dimensions3 × 3 × 3 cm
    Shipment Dimensions3 × 3 × 3 cm

    Please allow 5% measuring deviation due to manual measurement.

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    Package Includes:

    1 x ULN2803A 8-Channel Darlington Driver

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    Product Details
    RBD-3386
    200 Items

    Specific References

    EAN13
    3386
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