CNY17F-1M

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Optic Isolators, or optoisolators, are a versatile form of component that allow a connection between two separate circuits without any direct electrical connection. This feature, combined with the various configurations and highly precise triggering, enables them to be used for a variety of applications. The CNY17F-1M optoisolator is a solid-state device with a photovoltaic output and therefore can be used for isolated power on and off switching and general level conversion applications.

The CNY17F-1M consists of an optically isolated input, an amplifier input, a photovoltaic cell, and an isolator output, all within a single package. Its input consists of a high-efficiency LED surrounded by a photosensitive integrated circuit (IC). This IC includes a pass transistor designed to source current and a reset pin, which is connected to the power line to prevent the occurrence of a fault state. The settings for the IC gate current and turn-on time can be set by a simple, low-cost resistor. Due to the low power consumption (less than 150mW) and the low price, this optoisolator has been selected by many companies for a variety of applications.

The photovoltaic output is responsible for communication between the optical input and the output. When the LED is illuminated, the photovoltaic output quickly consumes the current generated by the LED. This current is converted into an electrical signal and then passed through the transistor, which acts as an amplifier and triggers the output of the optoisolator. When the LED is no longer exposed to light, the photovoltaic output quickly discharges and the output of the optoisolator goes low.

This optoisolator is particularly useful in high-voltage applications, where the isolation provided by the CNY17F-1M prevents possible damage to the source circuit resulting from accidental contact with the connected load. Furthermore, in situations where response time is important, the CNY17F-1M provides an excellent response time of 1 millisecond or less. Additionally, it can withstand up to 60V for reverse voltage protection and ensures reliable operation in both AC and DC circuits.

The CNY17F-1M optoisolator has become popular for a variety of industrial and consumer electronics as it has proved to be highly reliable and cost-effective. As a result, many companies have adopted the CNY17F-1M in their designs, taking advantage of its particular features and excellent user features. This optoisolator, therefore, is an excellent choice for many applications requiring otherwise hard to achieve reliability, accuracy, and speed.

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