Import brand
0 ratings
10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18
genuine image
10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18
We insist that the products we sell are original and authentic, and the products we sell are all quality guaranteed!
10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18
Item #: 125799794

10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18

Item #: 125799794

NGN 58498

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, September 10
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
We insist that the products we sell are original and authentic, and the products we sell are all quality guaranteed!
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
paga/ e-wallet payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Versatile Technician Use
Ideal for a wide range of electronics projects, the ULN2803 series provides reliable driver support, making it perfect for technicians and hobbyists tackling various applications.
High Current Capability
With the ability to handle high voltage and current, the ULN2803 series excels in driving inductive loads, ensuring efficient operation in robotics, lighting, and automotive systems.
Compact Design
The 7.2mm SOP18 package size allows for easy integration into tight spaces, making it a preferred choice for modern circuit designs without compromising on performance.

Product Details

Shop 10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18 online at a best price in Nigeria. B0B5B16ND4
Item Weight0.05 lbs (20 grams)

Who Should Buy?

Suitable For
  • Hobbyist Developers

    Ideal for DIY electronics projects requiring multiple relay drivers or motor controls in low-voltage applications.

  • Robotics Engineers

    Perfect for driving relays, solenoids, and motors in robotic systems with ease, integrating seamlessly into designs.

  • Students Learning

    Great for educational purposes, helping students understand digital logic and relay interfacing in hands-on experiments.

Not Suitable For
  • High-Power Applications

    Not suitable for high-current or high-voltage applications as it can overheat without adequate precautions.

Product Description

10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the ULN2803 used for?

    Answer: The ULN2803 is a high-voltage, high-current Darlington transistor array. It’s typically used for driving inductive loads like relays, motors, and solenoids, providing an interface between microcontrollers and higher power devices. By using this component, you can safely switch devices that require more current than a microcontroller can provide. For example, if you're designing a robotics project that needs to control multiple motors, the ULN2803 allows for effective control without risking damage to your control unit.
  • Question: What is the difference between ULN2803 and ULN2803A?

    Answer: While both ULN2803 and ULN2803A serve similar purposes, the primary difference lies in their voltage ratings and temperature characteristics. The ULN2803A is optimized for lower input voltage levels and has improved thermal performance, making it suitable for applications in environments with higher ambient temperatures. For instance, if you're working on a project that necessitates extreme conditions, the ULN2803A might be the better choice due to its reliability.
  • Question: How do I connect the ULN2803 to a microcontroller?

    Answer: To connect a ULN2803 to a microcontroller, you'll need to link the input pins of the ULN2803 to the output pins of the microcontroller. Each of the eight channels can be connected to a signal output, while the corresponding output pin connects to the device you are controlling. Ensure you also connect the common emitter pin to ground and apply your load voltage appropriately. This setup is ideal for projects where you're running multiple outputs from a single microcontroller, like controlling various LEDs or motors in coordination.
  • Question: Is the ULN2803OP compatible with other ULN models?

    Answer: Yes, the ULN2803OP is compatible with other ULN series models like ULN2003 and ULN2903, primarily in terms of function but not pin configuration. While they can all drive similar loads, the electrical characteristics, such as current handling and voltage ratings, may vary. Thus, while you can substitute one for the other based on current requirements, always check the specifications to ensure they fit your specific application needs. For instance, if your circuit was designed with a ULN2003, you would want to verify that the current draw matches that of the ULN2803.
  • Question: Can I use the ULN2803 for LED control?

    Answer: Absolutely! The ULN2803 is excellent for controlling multiple LEDs simultaneously. By connecting each output pin to a separate LED, you can easily manage their operations through a microcontroller. This method is particularly useful in creating light displays or status indicators without stressing the microcontroller’s output pins. It allows for higher current to flow through the LEDs while keeping your control system safe, enabling efficient project designs that require multiple status indicators.
  • Question: What is the maximum load current for the ULN2803?

    Answer: The ULN2803 can handle a maximum load current of 500mA per channel, with a total current limit of 2.5A across all channels combined. This makes it ideal for driving devices that require moderate current levels. For example, when controlling several small relays or motors, you must ensure that your total current does not exceed these limits to maintain device performance and durability. Consider this in your projects as it provides flexibility while ensuring you do not overload the device.
  • Question: What kind of applications can benefit from using a ULN2803?

    Answer: Many applications can benefit from employing the ULN2803, including robotics, home automation, and industrial control systems. For instance, in a home automation system, you can use the ULN2803 to control various appliances without needing separate drivers for each. Its ability to consolidate multiple outputs makes it a good fit for compact electronic designs, particularly in projects where size and efficiency are essential.
  • Question: What are the benefits of using ULN2803 over discrete transistors?

    Answer: Using the ULN2803 offers several advantages over discrete transistors, including integrated circuits that save space and simplify circuit design. The ULN2803 contains multiple channels in a single package, reducing the complexity of wiring and assembly. Moreover, as it has built-in diodes, it automatically protects against back EMF, a common issue when working with inductive loads. This makes it an excellent choice for prototyping and production environments where reliability is key.
  • Question: Where can I buy 10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18?

    Answer: You can purchase 10PCS ULN2803 ULN2803A ULN2803AG ULN2803AFWG 7.2mm SOP18 from Ubuy in Nigeria. Ubuy provides a reliable platform with a range of electronic components, ensuring that you can source the ULN2803 parts you need for your projects efficiently. By choosing Ubuy, you’ll have access to a user-friendly shopping experience while being able to choose from different brands and delivery options.

Import brand Darlington Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NGN 58498

Order now and get it around Thursday, September 10

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 10PCS ULN2803 Series components available for reliable performance.
  • Guaranteed original and authentic products for customer peace of mind.
  • Strict quality control measures ensure top-notch product efficiency.
  • Professional QC team inspects and documents every purchase.
  • Dedicated customer service for a worry-free shopping experience.
  • Trust in our commitment to quality and professionalism.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.