What is the primary function of the Lite-On 4N25 Optocoupler?

The Lite-On 4N25 Optocoupler is used to electrically isolate different sections of a circuit while enabling signal transfer. This is crucial in applications where high voltages and sensitive components exist, as it prevents noise from disrupting circuit performance. It's commonly utilized in power supply designs, data communication, and industrial automation projects where safety and signal integrity are paramount.

How does the phototransistor output of the 4N25 work?

The phototransistor output in the Lite-On 4N25 operates by allowing light from an internal LED to trigger the phototransistor on the output side. When the input LED is activated, it creates a current that turns on the phototransistor, thus allowing the passage of current in the output circuit. This mechanism is ideal for creating an isolated interface between two different voltage domains, ensuring that high voltage does not impact low voltage components.

What are typical applications for the Lite-On 4N25 in electronics projects?

The Lite-On 4N25 Optocoupler is commonly used in applications such as microcontroller interfacing, signal isolation in digital communication, and controlling high voltage devices through low voltage signals. For instance, hobbyists often utilize it in Arduino projects to safely interface sensors and relays, protecting the microcontroller from potential damage while achieving the necessary functionality.

Is the 4N25 breadboard-friendly, and how should it be used?

Yes, the Lite-On 4N25 is designed with a DIP-6 package, making it breadboard-friendly. To use it, simply insert the IC into the breadboard, ensuring that each pin is securely connected to other components. This design facilitates prototyping and testing, allowing users to efficiently build complex circuits without the need for soldering, ideal for educational purposes and experimental setups.

What is the significance of the base connection in the 4N25 Optocoupler?

The base connection in the Lite-On 4N25 Optocoupler allows users to control the sensitivity of the phototransistor output. By connecting a resistor to the base pin, it enhances the phototransistor's response time and allows it to operate at lower input current levels. This feature is particularly useful in situations where minimal input current is required, such as battery-operated devices or low-power applications.

Can the 4N25 Optocoupler be used in high-frequency applications?

While the Lite-On 4N25 is versatile, it is not ideal for high-frequency applications. Its typical switching speed is limited to lower ranges, which makes it suitable for moderate speed applications such as switching power supplies and relay drivers, but not for high-speed digital circuits. For such cases, exploring different optocouplers with faster switching capabilities is advisable.

What are the electrical specifications for the 4N25 Optocoupler?

The Lite-On 4N25 Optocoupler features an input forward voltage of approximately 1.2V, a current transfer ratio ranging between 100% to 600%, and it operates effectively within a temperature range of -40°C to +85°C. These specifications make it a reliable choice for various electronic applications, offering versatility in different circuit designs where performance and thermal stability are critical.

Does the 4N25 come in only one configuration, or are there variations?

While the Lite-On 4N25 is commonly available in a DIP-6 package, it can also be found in various configurations including surface-mount options. The choice of configuration depends on the specific requirements of your project, such as space constraints on your PCB or breadboard. For designers requiring a compact footprint, the SMD versions provide an excellent alternative while maintaining similar electrical performance.

How can I troubleshoot issues when using the 4N25 in my circuits?

To troubleshoot issues with the Lite-On 4N25, first, check all connections to ensure they are secure and properly aligned. Use a multimeter to test the input LED to confirm it is functioning correctly. If the output phototransistor does not respond, check for proper biasing at the base pin. It's also essential to confirm that the power supply voltages are within operational limits, which can affect performance.

Where can I buy Lite-On 4N25 Optocoupler in Philippines?

You can purchase the Lite-On 4N25 Optocoupler from Ubuy, a reputable online retailer offering a wide variety of electronic components. Ubuy provides a convenient shopping experience along with a reliable supply of high-quality parts, ensuring that you can find what you need for your projects quickly and efficiently.

How to Shop Lite-On 4N25 Optocoupler, Phototransistor Output, Online From Ubuy?

It’s easy to shop Lite-On 4N25 Optocoupler, Phototransistor Output, 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 Lite-On 4N25 Optocoupler, Phototransistor Output, Available to Shop Online in Philippines?

Yes, at Ubuy Philippines this product is available for you to shop at a reasonable price. The Lite-On 4N25 Optocoupler, Phototransistor Output, 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

Lite-On 4N25 Optocoupler, Phototransistor Output, with Base Connection Breadboard-Friendly IC DIP-6 (Pack of 10)

The 4N25 family is an industry standard single channel phototransistor coupler with a high current transfer ratio and superior isolation.

Juried Engineering

Item #: 111057456

Lite-On 4N25 Optocoupler, Phototransistor Output, with Base Connection Breadboard-Friendly IC DIP-6 (Pack of 10)

90% of respondents would recommend this to a friend

Item #: 111057456

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The 4N25 family is an industry standard single channel phototransistor coupler with a high current transfer ratio and superior isolation.

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What Stands Out

Breadboard-Friendly Design

The 4N25 optocoupler features a compact DIP-6 package that easily fits into breadboards, facilitating straightforward prototyping and circuit design without complex wiring.

Reliable Phototransistor Output

This optocoupler offers a stable phototransistor output, ensuring strong signal transmission and effective isolation between components, which is crucial for sensitive applications in electronics.

Cost-Effective Package

Sold in packs of 10, the 4N25 provides exceptional value for hobbyists and engineers, offering economical access to reliable optocouplers for multiple projects without compromising quality.

Product Details

Item Weight

0.7 lbs (320 grams)

Who Should Buy?

Electronics Hobbyists
Ideal for individuals creating projects that require isolating different circuit components for safety and functionality.
Prototyping Engineers
Great for professionals designing and testing prototypes that need signal isolation between high and low voltage circuits.
Educational Purposes
Useful for students learning about electronics and optocouplers in lab experiments or related coursework.

High-Speed Applications
Not suitable for applications requiring fast signal transmission due to its slower response time.

Product Description

Lite-On 4N25 Optocoupler, Phototransistor Output, with Base Connection Breadboard-Friendly IC DIP-6 (Pack of 10)

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Question: How to Shop Lite-On 4N25 Optocoupler, Phototransistor Output, Online From Ubuy?

Answer: It’s easy to shop Lite-On 4N25 Optocoupler, Phototransistor Output, 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 Lite-On 4N25 Optocoupler, Phototransistor Output, Available to Shop Online in Philippines?

Answer: Yes, at Ubuy Philippines this product is available for you to shop at a reasonable price. The Lite-On 4N25 Optocoupler, Phototransistor Output, 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.

Juried Engineering Optocouplers Editorial Review

The Lite-On 4N25 Optocoupler is a reliable and versatile component, ideal for various electronics projects. Weighing only 0.7 lbs (320 grams), this phototransistor output optocoupler is designed for easy integration into breadboards, thanks to its DIP-6 packaging. Users appreciate its performance in isolating and transferring signals between different sections of a circuit, which enhances safety and functionality. This pack of 10 ensures you have enough components for multiple applications, and the base connection feature allows for flexible use in various projects.

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Pros

Lightweight and easy to handle for projects
Breadboard-friendly for easy circuit integration
High reliability in signal isolation
Pack of 10 is economical for regular use
Versatile for a variety of electronic applications

Cons

Might require careful handling due to small size

Product Price History

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Features & Benefits

Industry standard single-channel phototransistor coupler.
High Current Transfer Ratio (MIN. 10% at IF = 10mA).
Fast response time (TYP. 3µs at VCC = 10V).
High input-output isolation voltage (Viso = 2,500Vrms).
UL, cUL, CSA, DEMKO, VDE and CQC certified for safety.
Ideal for high-density mounting and programmable controllers.

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Lite-On 4N25 Optocoupler, Phototransistor Output, with Base Connection Breadboard-Friendly IC DIP-6 (Pack of 10)

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