CNY17F23SD

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CNY17F23SD optoisolator is a 6-pin dual-in-line package optoisolator (transistor, photovoltaic output) used for various isolation and switching applications. This optoisolator has two independent, isolation circuits consisting of a triggered LED, optically coupled to a photovoltaic cell. The electrical isolation between input and output is guaranteed by the physical isolation of the LED and photovoltaic cell. It is both reliable and robust even in harsh environments.

The CNY17F23SD optoisolator is characterized by a wide forward voltage range of 8–20 V working current between 5 mA and 35 mA. It also features a high voltage load capability between 5 V and 33 V. The input and output circuits are through-plugged and tightly sealed to prevent direct physical contact. The structure also allows for improved contact and durability.

In terms of application fields, the CNY17F23SD optoisolator is mainly used for electrical division separation of low power supply circuit, instrumentation circuit and high voltage circuit, and also have wide range of applications such as automation equipment, signal isolation, alarm systems and audio amplifiers.

Now let’s take a closer look at the working principle of this optoisolator. When an electric current of between 5 mA and 35 mA passes through the LED, it gets triggered and emits a light that strikes to the photovoltaic cell in the optoisolator. This photovoltaic cell then produces a current in the output circuit. In other words, the LED works as a radiation transmitter and the photovoltaic cell works as a radiation receiver. This process enables electrical isolation between the input and output circuits, thus providing the optoisolator with its protective properties.

The CNY17F23SD optoisolator is also designed with a built-in transient suppression device that can prevent any erroneous switching caused by sudden voltage transients. This device keeps the voltage between the input and output circuits within ±1.0 V. It also ensures that signal integrity is maintained even in cases of high input voltage.

The CNY17F23SD optoisolator has multiple features that make it an ideal choice for applications relative to electrical division separation. Its wide forward voltage range, high voltage load capability, transient suppression device, and reliable, robust features makes it a dependable optoisolator for various isolation and switching applications.

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