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ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10
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ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10
Discover the power of our Major Brands ULN2004A ICs and Semiconductors.
ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10
Item #: 87570702

ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10

Item #: 87570702

MWK 57994

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Order now and get it around Wednesday, July 22
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What Stands Out

High Voltage Rating
The ULN2004A supports up to 50 volts, making it ideal for various high-demand applications without compromising reliability.
Darlington Configuration
Utilizing a Darlington NPN transistor design ensures high current gain, improving performance in driving motors and other high-load devices.
Cost-Effective Pack
Offered in a pack of 10, it provides great value for hobbyists and professionals, ensuring ample supply for multiple projects without overspending.

Product Details

Shop ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10 online at a best price in Malawi. B06VVJWPSK
Item Weight0.2 lbs (90 grams)

Who Should Buy?

Suitable For
  • Hobbyist Projects

    Ideal for electronics enthusiasts working on DIY projects requiring reliable switching and amplification solutions.

  • Industrial Automation

    Perfect for applications in industrial settings where multiple channels of control are necessary for driving larger loads.

  • Robotics Applications

    Well-suited for robotics projects needing high current gain and voltage handling for actuators and motors.

Not Suitable For
  • High-Power Circuits

    Not suitable for designs requiring more than 0.5 Amps or higher voltage operations beyond 50 Volts.

  • Low-Profile Designs

    Its 16-Pin PDIP package may not fit well in compact, low-profile circuit designs or applications.

  • Sensitive Analog Applications

    Not ideal for analog signal processing where low noise and high fidelity are critical for performance.

Product Description

ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the ULN2004A and what applications does it serve?

    Answer: The ULN2004A is a high-voltage, high-current Darlington transistor array, designed for driving inductive loads like relays and motors. It features four NPN transistors in a single 16-pin package, making it compact and efficient. Its capability to handle up to 50 volts and 0.5 amps per channel allows it to be used in various applications such as robotics, industrial automation, and automotive controls, where reliable switching is crucial.
  • Question: How does the ULN2004A differ from similar ICs in the market?

    Answer: The ULN2004A stands out due to its Darlington pair configuration, offering high current gain and allowing it to drive larger loads with fewer input signals. Unlike standard transistors, it can consolidate multiple drivers into a single component, simplifying circuit designs. This makes it ideal for compact spaces in circuit boards, with applications in consumer electronics and automation systems, keeping designs streamlined and effective.
  • Question: Can I use the ULN2004A for low-voltage applications?

    Answer: While the ULN2004A is primarily designed for higher voltages (up to 50 volts), it can still be used in low-voltage applications. However, since it’s optimized for higher current loads, using it at lower voltages may not utilize its full potential. It's particularly useful in scenarios where there’s a need to control higher voltage devices through a microcontroller or other logic circuits, making it versatile across various project needs.
  • Question: How do I connect the ULN2004A in my circuit?

    Answer: To connect the ULN2004A in a circuit, connect the input pins to your microcontroller output pins, ensuring correct alignment with the transistor outputs. The outputs can drive inductive loads through connection to relays or motors. It is vital to include flyback diodes for inductive components to counteract voltage spikes. This setup is commonly seen in automated systems requiring control over multiple outputs from a limited number of inputs.
  • Question: Is the ULN2004A suitable for microcontroller applications?

    Answer: Yes, the ULN2004A is highly suitable for microcontroller applications. It allows a microcontroller to switch high current devices by interfacing with low-power signals. With its ability to handle multiple channels, it’s perfect for projects like robotics and home automation, where controlling various components from a single microcontroller is necessary for efficiency and space-saving purposes.
  • Question: What is the maximum current each channel of the ULN2004A can handle?

    Answer: Each channel of the ULN2004A can handle a maximum continuous current of 0.5 amps. This rating makes it suitable for driving moderately powerful loads like small motors and relays. In practical applications, ensuring you do not exceed this current limit is essential for maintaining reliability and preventing damage to the IC in applications such as relay driving and motor control systems.
  • Question: Can the ULN2004A be used for switching LED lights?

    Answer: Absolutely! The ULN2004A is an ideal choice for switching LED lights, allowing for control of multiple LED circuits from a single control signal. Simply connect each LED through the output channels. This is particularly useful in projects that require dimming or sequencing LED displays, commonly found in decorative lighting, television backlighting, or visual effects in various applications.
  • Question: What types of loads can I control using the ULN2004A?

    Answer: The ULN2004A can control various inductive and resistive loads, including relays, solenoids, motors, and LED arrays. Its design supports direct interaction with higher voltage loads while ensuring lower voltage control signals can effectively manage these devices. This versatility makes it a great fit for robotic applications, home automation systems, and any projects where controlling multiple devices is required.
  • Question: What are the heat dissipation requirements for the ULN2004A?

    Answer: The ULN2004A, like any transistor, generates heat while operating, especially when controlling higher loads. Adequate heat dissipation measures should be employed, such as using a heatsink designed for the PDIP package. This ensures reliable operation without overheating, particularly in extended use cases like automation systems or multi-channel applications, promoting longevity and stable performance.
  • Question: Where can I buy ULN2004A ICS and Semiconductors, Darlington NPN Transistor, 50 Volt, 0.5 Amp, 16-Pin, PDIP Pack of 10?

    Answer: You can purchase ULN2004A ICS and semiconductors at Ubuy in Malawi. Ubuy offers a straightforward online purchasing experience and a vast selection of electronic components, making it a reliable source for acquiring specialized ICs like the ULN2004A. Browse through their platform to find competitive options and detailed product listings.

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MWK 57994

Order now and get it around Wednesday, July 22

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Features & Benefits

  • High-performance Darlington NPN Transistor.
  • Operates at a robust 50 volts for versatile applications.
  • Supports up to 0.5 amps for efficient current handling.
  • Convenient 16-pin configuration for easy integration.
  • Manufactured by Major Brands for guaranteed quality.
  • Ideal for various electronic projects and designs.

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