What is the L7809CV and what are its primary applications?

The L7809CV is a linear voltage regulator designed to provide a stable 9V output with a maximum current of 1.5A. It is widely used in electronic circuits for powering devices that require a consistent voltage level, boosting reliability in projects such as microcontrollers, LED strips, and audio equipment. Its ability to function on a breadboard makes it a favorite for hobbyists and engineers alike, thereby simplifying prototyping and development.

What is the difference between the L7809 and other L78xx series regulators?

The L7809 is specifically designed to output 9V, while other L78xx series regulators provide different output voltages like 5V, 12V, or 15V. The distinction lies in their voltage outputs and applications. For example, if your project requires 12V for operation, you would opt for the L7812. This specificity aids in selecting the right component for your circuit needs, ensuring optimal performance and efficiency.

How do I mount the L7809CV on a breadboard?

To mount the L7809CV on a breadboard, first insert the TO-220 package into the breadboard ensuring the pins are aligned with the breadboard holes. Connect the input pin to your power source and the ground pin to the negative rail on the board. The output pin will provide a stable 9V output to your circuit. This straightforward connection process allows for immediate integration into your projects, enabling quick iterations.

Can the L7809CV be used for high-power applications?

While the L7809CV provides a maximum current of 1.5A, it is primarily suited for low to moderate power applications. For higher power use, consider pairing it with appropriate heat sinks or using a different regulator capable of handling greater current. For instance, in power supply circuits requiring more than 1.5A, switching to a high-power regulator ensures stable performance without overheating, thereby protecting your circuit.

What can I do if the output voltage from my L7809CV is incorrect?

If you're experiencing incorrect output voltage from the L7809CV, first check your input voltage to ensure it's within the specified range, ideally between 11V and 30V. Additionally, inspect all connections for any loose wires and verify that the load connected does not exceed 1.5A. In scenarios where the output remains faulty, replacing the component may be necessary due to potential internal damage, helping restore proper functionality.

Is it necessary to add capacitors to the L7809CV circuit?

Yes, adding capacitors is essential for the optimal performance of the L7809CV. Typically, a bypass capacitor (0.33μF) on the input and a reservoir capacitor (0.1μF) on the output enhance voltage stability and filter noise. This practice improves transient response, ensuring the regulator can handle sudden load changes effectively. For example, in audio applications, this capacitor configuration minimizes sound distortion for a cleaner output.

What are typical applications for the L7809CV in DIY projects?

The L7809CV is versatile and commonly used in various DIY projects such as powering Arduino boards, LED lighting, and small audio amplifiers. Its linear regulation provides low noise power, making it ideal for audio equipment. Additionally, it's suitable for mobile device charging stations, ensuring that electronics receive stable voltage for reliable operation during experiments and builds.

Can I use the L7809CV in a mixed-voltage system?

You can use the L7809CV in mixed-voltage systems; however, ensure that the 9V output does not conflict with other voltage levels in your circuit. For instance, if your project incorporates both 5V and 12V components, the L7809CV can efficiently supply the 9V to specific sections such as sensors or microcontrollers, maintaining the integrity of the entire setup while catering to different parts' needs.

Does the L7809CV provide short-circuit protection?

Yes, the L7809CV features internal short-circuit protection as well as thermal shutdown, safeguarding it from damage caused by excessive heat or current. In scenarios where a circuit shorts or the load exceeds the safe limit, these protection features automatically engage, preventing failures and improving longevity. As a result, you can integrate this regulator in sensitive applications with peace of mind.

Where can I buy the L7809CV Voltage Regulator IC in South Africa?

You can purchase the L7809CV Voltage Regulator IC from Ubuy. They offer a convenient online shopping experience, featuring a pack of 10 units that are perfect for both individual and larger-scale projects. Ubuy provides a user-friendly interface for selecting and ordering the components you need.

How to Shop L7809CV L7809 7809 Voltage Regulator IC Linear 9V Online From Ubuy?

It’s easy to shop L7809CV L7809 7809 Voltage Regulator IC Linear 9V online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is L7809CV L7809 7809 Voltage Regulator IC Linear 9V Available to Shop Online in South Africa?

Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The L7809CV L7809 7809 Voltage Regulator IC Linear 9V is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Juried Engineering

L7809CV L7809 7809 Voltage Regulator IC Linear 9V 1.5A TO220AB TO-220 Breadboard-Friendly (Pack of 10)

Juried Engineering

Item #: 48565140

L7809CV L7809 7809 Voltage Regulator IC Linear 9V 1.5A TO220AB TO-220 Breadboard-Friendly (Pack of 10)

Item #: 48565140

ZAR 308

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What Stands Out

Stable Voltage Output

Delivers a consistent 9V output, ensuring reliable performance for sensitive electronic circuits without fluctuations.

High Current Capacity

Supports up to 1.5A current, making it ideal for powering larger components or circuits in various applications.

Breadboard-Friendly Design

Designed for easy integration into projects, the TO220AB package is versatile and fits standard breadboard layouts effortlessly.

Product Details

Output current up to 1.5 A
Output voltage of 9 Volts
Thermal overload protection
Short circuit protection
Output transition SOA protection

Item Weight

0.2 lbs (90 grams)

Product Technical Details

Manufacturer	‎STMicroelectronics
Item model number	‎L7809CV

Who Should Buy?

Hobby Electronics
Ideal for hobbyists building circuits requiring a stable 9V supply for projects and experiments.
Prototyping Use
Great for engineers and designers needing reliable voltage regulation for prototypes on breadboards.
Low-Power Applications
Suitable for powering low-power devices like sensors and microcontrollers that operate at 9V.

High Current Needs
Not suitable for applications requiring more than 1.5A, as this may lead to overheating and failure.
High Voltage Outputs
Inappropriate for circuits needing voltages higher than 9V, as this IC only regulates to that level.
Efficiency-Critical Projects
Not ideal for energy-efficient applications, as linear regulators waste power as heat for high differences in voltage.

Product Description

About This Item

Introducing the Juried Engineering L7809CV L7809 7809 Voltage Regulator IC Linear 9V 1.5A TO220AB TO-220 Breadboard-Friendly Pack of 10. Whether you're a hobbyist or a professional engineer, our L7809 three-terminal positive regulators are a reliable choice for your voltage regulation needs. With a fixed output voltage of 9 volts and a maximum output current of 1.5A, these regulators are perfect for a wide range of applications.

One of the key features of our voltage regulators is their ability to provide local on-card regulation, which eliminates the distribution problems often associated with single-point regulation. This ensures that your circuits receive a steady and stable power supply, enabling optimal performance. The L7809 regulators are also designed with safety in mind. They come equipped with internal current limiting, thermal shut-down, and safe area protection features, making them essentially indestructible.

This means you can rely on these regulators to withstand even the harshest conditions without compromising their functionality. Additionally, our voltage regulators can be used with external components to obtain adjustable voltage and currents, giving you more flexibility in your designs. Whether you're working on a simple Arduino project or a complex electronic system, these regulators will meet your needs. With their TO-220AB package, our voltage regulators are not only easy to use but also breadboard-friendly, allowing for hassle-free prototyping.

The pack includes 10 regulators, ensuring you have an ample supply for your current and future projects. Choose the Juried Engineering L7809CV L7809 7809 Voltage Regulator IC Linear 9V 1.5A TO220AB TO-220 Breadboard-Friendly Pack of 10 for reliable and efficient voltage regulation in your electronic projects. Trust in the quality and performance of Juried Engineering products, designed to meet the needs of professionals and hobbyists alike.

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Customer Questions & Answers

Question: How to Shop L7809CV L7809 7809 Voltage Regulator IC Linear 9V Online From Ubuy?

Answer: It’s easy to shop L7809CV L7809 7809 Voltage Regulator IC Linear 9V online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is L7809CV L7809 7809 Voltage Regulator IC Linear 9V Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The L7809CV L7809 7809 Voltage Regulator IC Linear 9V is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Pros

Reliable voltage regulation
Compact TO-220 package
Good for breadboard use
Handles up to 1.5A
Pack of 10 for convenience

Cons

May require additional heat sinks.

Product Price History

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.

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L7809CV L7809 7809 Voltage Regulator IC Linear 9V 1.5A TO220AB TO-220 Breadboard-Friendly (Pack of 10)

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Product Details

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Product Description

About This Item

Customer Questions & Answers

Juried Engineering Communication Integrated Circuits ‎L7809CV Editorial Review

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Important information

ZAR 308

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