H11L2S(TA)

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Optoisolators are electronic components used as an electrical isolation device to transfer signals from one circuit to another, without any physical contact. This is especially important to reduce electrical noise and improve safety in hazardous environments. Optoisolators also provide protection against high voltages, created in high voltage applications. The H11L2S(TA) is an optoisolator belonging to the logic output optoisolators family and boasts an interface consisting of an LED directly connected to an optical coupler. In this article, we will discuss the application field and operating principle of the H11L2S(TA) optoisolator.

The H11L2S(TA) is similar to the traditional optoisolators in terms of form factor and internal components. It has an 18-pin dual in-line package (DIP) with one side being used to input the LED current, and the other side to output the optical signal. The H11L2S(TA) is suitable to be used in many different applications, such as automotive, avionics, machine control, and industrial automation. It has a built-in power supply voltage range of 3.3 V to 18 V and a wide operating temperature range of -40℃ to +125℃. Furthermore, the H11L2S(TA) has the ability to withstand up to 5KV of surge voltage which makes it suitable to be used in high voltage applications.

The core principle of the H11L2S(TA) optoisolator is based on light-sensitive photodiodes which react to light and convert it into electricity. The LED in the H11L2S(TA) is connected directly to the photodiode through an optical fiber, allowing the LED to transmit the light signal without any direct electrical connection. The LED is driven by the input current that is supplied by the power source. When the LED is activated by the input current, it produces a light signal that is detected by the photodiode. As a result, this electrical signal is amplified and transmitted through the output pin. This allows the H11L2S(TA) to provide an electrical signal at the output without any physical contact between the input and output circuits.

In conclusion, the H11L2S(TA) optoisolator is a logic output optoisolator suitable for a wide range of applications. It offers isolation and protection from high voltage surges, as well as built-in power supply voltage and temperature range flexibility. The operating principle of the H11L2S(TA) is based on a direct connection between an LED and photodiode that allows it to provide electrical output without any physical connection. Therefore, the H11L2S(TA) is an ideal choice for achieving robust and reliable electrical isolation.

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