VO4258H-X006

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Optoisolators are devices designed to transfer signals across an electrically isolated barrier. These devices consist of an electromagnetic source, such as an LED, and a photosensor, such as a photodiode, that are connected together and connected to an external circuit. The optoisolator allows signals to be transferred from one side of the barrier to the other without any direct electrical connection between them. The VO4258H-X006 is an optoisolator belonging to the triac, SCR output category. This device is used to trigger a triac, scrape signal of an AC device, or control a thyristor circuit.

This optoisolator is designed to offer inputs from DC to 120 Hz. The device features an open collector NPN transistor output and logic level operation. It is constructed with a single 4-pin dual-inline package (DIP) and housed in an isolation material to protect against electrical damage from surges and spikes. The package includes a 1N5817 Schottky rectifier diode. The package includes a resistor network for a logic low/high function.

The VO4258H-X006 utilizes infrared light to transfer the signals across the isolated barrier. The current flowing through the LED will be converted into a proportional infrared signal which will then be detected by the photodiode on the other side. The photodiode will convert the infrared signal into electrical current which will then be transferred to the output side of the device. This electrical current will be used to trigger a triac or thyristor, depending on the application.

The VO4258H-X006 is mainly used for applications such as speed control of small motors, speed sensors, pulse switches, and power switching. The device is suitable for controlling AC voltage up to 480V @ 2A. The logic-level operation allows it to work with various logic families, including TTL, CMOS, and even high-voltage logic levels. The wide range of operating voltage, current, and logic levels makes the VO4258H-X006 suitable for various applications.

In conclusion, the VO4258H-X006 is an optoisolator designed to transfer signals across an electrically isolated barrier. It utilizes an infrared light source and a photodiode to transfer the signals. The device is mainly used for speed control of small motors, speed sensors, pulse switches, and power switching. Its wide range of operating voltage, current, and logic levels makes it suitable for various applications.

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