K7468

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Optoisolators are a type of electronic device which works to isolate a low voltage electrical signal from a high voltage signal, thereby preventing any potential electrical interference from impacting the integrity of the signal. The K7468 optoisolator is a type of optoisolator commonly used in industrial, automotive, and communications applications. This optoisolator gives higher insulation voltage capabilities, faster switching time, and lower input power consumption than other optoisolators.

Application Field and Working Principle of K7468 Optoisolator

The K7468 optoisolator is classified as a Transistor, Photovoltaic Output type optoisolator, and it  can be used as an interface between a low power control circuit and a high power load. This optoisolator incorporates an optical coupler and a photo transistor, with the optical coupler having an LED on the input side and a phototransistor on the output side. LED emits infrared radiation which is transmitted through the transparent window of the optoisolator to the phototransistor. This optical signal is then used to switch on the phototransistor which, in turn, controls the circuit on the output side.

The K7468 optoisolator features a low power dissipation of about 0.2 W and an input voltage range from 4 V to 32 V. It has a wide range of output voltages, from 8 V to 30 V. The optoisolator provides a high insulation area of up to 3 kV. The turn-on time is also extremely fast, with a response time as fast as 25 nanoseconds. Furthermore, the device provides a high level of solids insulation.

The K7468 optoisolator is primarily used in industrial and automation applications, but can also be used in communications, automotive, and other industries. In industrial applications, the optoisolator can be used to control contactors and relay circuits. In automotive applications, it is used to switch on air conditioning and lighting systems. In communications applications, it can control signal amplifiers and other communication devices.

Since its introduction, the K7468 optoisolator has become one of the most popular optoisolators due to its high insulation area and fast switching time. It is also relatively inexpensive compared to other optoisolators, making it a great choice for budget-conscious designers.

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