K817P8

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators are photonic, electrical components used to electrically isolate two circuits while allowing them to communicate with each other. The K817P8 Optoisolator utilizes a transistor, photovoltaic output to provide high-speed, reliable isolation. This optoisolator is ideal for applications where a high-voltage circuit needs to interact with a low-voltage, low-power circuit, such as between a power source and a controller.

The basic structure of the K817P8 optoisolator consists of an infrared LED, an insulating cavity, and an NPN bipolar transistor output. The infrared LED emits a beam of light when it is electrically activated, and the light is received by the photovoltaic cell within the optoisolator. This causes current to flow through the transistor, which then energizes the output circuit. The separation of the two circuits is ensured by the insulating cavity, which prevents any electrical contact from occurring between the two circuits.

The K817P8 Optoisolator has several features that make it suitable for many applications. Firstly, it features a high isolation voltage, meaning it can be used in high-voltage systems without issue. It also provides high-speed operation, with a rise and fall time of less than 90 ns. The optoisolator can also withstand voltage spikes up to 300V without damaging any of the internal components. In addition, the K817P8 features a low-power input, allowing it to be used in low-power circuit designs.

When using the K817P8 Optoisolator, it is important to consider several design parameters. Firstly, the input voltage range should be limited to between 3 and 18V, and all external components should be chosen to ensure a proper operation. A suitable power supply should be chosen to ensure that the output transistor will be able to operate within its specified parameters. The optoisolator should also be provided with adequate heat sinking, as the output transistor can generate a lot of heat during operation.

In summary, the K817P8 Optoisolator is an ideal device for applications where a high-voltage circuit needs to be safely isolated from a low-voltage circuit. Its features include a high isolation voltage, high-speed operation, and low-power input. However, other design considerations need to be taken into account to ensure proper and safe operation. With proper design, the K817P8 optoisolator can provide reliable, efficient isolation between circuits.

The specific data is subject to PDF, and the above content is for reference