EL817(S1)(TB)

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Optoisolators are an essential component used in today\'s ever-evolving electronic world. They are used to provide galvanic isolation between control circuits and the circuits they operate. Isolation prevents erroneous signals that may enter the control circuit from affecting the operation of the output circuit or vice versa. The EL817 (S1) (TB) is a type of optoisolator. It belongs to the classification of optoisolators that feature a transistor-photovoltaic output.

An EL817 (S1) (TB) is most commonly used in applications requiring high-speed switching and a low input voltage level. It has a 7-pin package, which enables it to fit into a wide range of applications. The common application fields for an EL817 (S1) (TB) include industrial automation, military and aerospace, medical equipment, and HVAC systems. An EL817 (S1) (TB) optoisolator is designed to have a highly reliable electrical insulation performance, and can tolerate a voltage up to 2.2 V DC or 2 V AC.

The EL817(S1) (TB) features an internal transistor, photovoltaic isolator, designed to work in transmissive mode. It is based on the use of an integral light-emitting diode (LED), which is typically operated in continuous mode. A "light-on" signal from the input LED causes the output transistor to be pulled up, thus allowing the output device to function. When the input LED is turned off, the output transistor will drop to a low state, turning off the output device.

The internal LED of the EL817 (S1) (TB) is driven by a voltage between 0.8 and 5 volts, with an operating current of 10mA. The switching speed of the device is very fast, with response times of up to 3 microseconds. It is designed with a digital isolation of 2kV, and it has low saturation voltage, low distortion, and low noise. Additionally, the EL817 (S1) (TB) is more resistant to radiation exposure, and it carries a high insulation resistance, and has superior reliability.

In summary, the EL817 (S1) (TB) is a type of optoisolator with a transistor-photovoltaic output. It is versatile and can be used in a variety of applications, from industrial automation and HVAC systems to military and aerospace. It is designed to quickly switch signals and provide reliable electrical insulation. Its features include an internal LED, digital isolation of 2kV, low saturation voltage, low distortion, and low noise. With these features, the EL817 (S1) (TB) makes a great choice for a wide range of applications.

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