EL4502S(TA)-V

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Optoisolators are components that are used in electrical and electronic circuits. They are used to provide electrical isolation between two parts of a circuit, allowing for the two parts to remain mutually isolated in terms of electrical signals. One example of an Optoisolator is the EL4502S(TA)-V which is a type of Transistor, Photovoltaic Output. This article will discuss the application field and working principle of this type of device.

The EL4502S(TA)-V is typically used for applications where a photo transistor switch with a wide operating voltage range is desired. It is ideal for use in outdoor, environmentally friendly applications such as LED lighting and display systems and automotive lighting. Another important application for this device is in medical and industrial safety systems, such as gas detectors, fire alarms, and smoke detectors. This device is also suitable for use in electrically noisy and harsh environments.

The working principle behind the EL4502S(TA)-V is relatively simple. It consists of an infrared LED optically coupled to a NPN photo transistor. The infrared LED is connected to the driving power source. When the power source is activated, it transmits infrared light that is then detected by the photo transistor. This triggers the transistor to switch on, which in turn switches the load. When the load is switched on, an electric current is sent to the load, allowing it to function.

An important feature of the EL4502S(TA)-V is its high isolation voltage rating of 1500 VAC, which makes it suitable for use in a variety of applications. The device also offers compatibility with almost all 5V logic circuits, as it can provide a switching voltage of 4.5V - 5V. It also has a fast switching speed of 2.5ms.

The EL4502S(TA)-V is capable of providing both high output current and high output power. It offers a typical output current of 25mA and a typical output power of 125mW, making it suitable for a range of applications. Additionally, it is also designed to have low saturation voltage, providing improved performance in applications where load current fluctuates.

In conclusion, the EL4502S(TA)-V is a Transistor, Photovoltaic Output Optoisolator that is typically used in applications where a photo transistor switch with a wide operating voltage range is desired. It is ideal for LED lighting and display systems, automotive lighting, gas detectors, fire alarms, and smoke detectors. It offers high isolation voltage rating of 1500VAC and fast switching speed of 2.5ms. Furthermore, it provides both high output current and high output power and is designed to have low saturation voltage for improved performance in applications where load current fluctuates.

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