ISP817X

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Optoisolators are used to isolate two parts of a circuit, providing electrical isolation along with coupling light from one side to the other. The ISP817X optoisolator series from Vishay Intertechnology is part of this family, offering customers a wide range of features to meet various application and design considerations. This article will look at what the ISP817X optoisolator series has to offer customers, as well as its application field and working principle.

The ISP817X optoisolator series is a transistor, photovoltaic output type, offering Peak Collector Current (Ic) from 0.17A to 0.06A, Collector-Emitter Voltage (Vce) Limit and its Switching Time (tS) of 30ns max. It has an open-collector output voltage of 10V max. Plus, it is enabled with excellent response time, stable high breakdown voltage, extremely low influence of ambient temperature and excellent creepage distance.

The ISP817X optoisolator series also features UL recognized component classification, making it suitable for applications requiring UL certification. It can be operated in temperatures ranging from -40°C to +105°C, and it has a 4.4mm creepage distance and a 5.5mm clearance distance, making it ideal for high creepage applications. The optoisolator is housed in a 4 pin SOP package, which is commonly found in consumer and industrial applications.

The ISP817X optoisolator series has a wide range of applications in various industries, such as motor control, lighting control, power supply, medical instruments and appliances, data and signal transmission, and temperature, humidity, pressure, flow, and overload control. It can also be used in automotive applications, such as LED driving and lighting.

The working principle of the ISP817X optoisolator series is based on the use of an infrared emitting light source, such as an LED, and a phototransistor as the light detector. When the LED is lit, its light is converted to electrical signals by the phototransistor. The signals are used to switch a relay or other electronic devices connected to the optoisolator series. This operation is known as optical isolation.

The ISP817X optoisolator series provides excellent performance in terms of isolation, power supply, signal transmission, and protection. It is also an environmentally friendly device with low power consumption and noise reduction. The optoisolator not only isolates two circuits electrically, but also eliminate coupling noise from one circuit to another.

The ISP817X optoisolator series has been adopted by various industries and organizations, such as the Automotive Electronics Council and the Consumer Electronics Association. It is a reliable, high-performance, and cost-effective solution for a wide range of automation applications. Overall, the ISP817X optoisolator series is a great choice for electrical isolation and signal coupling in various environments.

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