CNY171SR2M

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Optoisolators, commonly known as optocouplers, are used to isolate two separate circuits, allowing for communication between the two while stopping interference. The CNY171SR2M Optoisolator is a single transistor, photovoltaic output optoisolator that is widely used in different applications such as data and signal isolation. It is responsible for protecting sensitive electronic systems from electrical noise which can cause long-term damage to circuits.

The CNY171SR2M is a surface mount optoisolator with a footprint size of 7 x 7mm. It has a 4-pin package comprising of two input pins and two output pins: Anode, Cathode, Node 1, and Node 2. It has an operating range of 5.5V – 20V, providing a maximum current of 20mA and a maximum voltage of 40V at the output pins. The working temperature of the optoisolator depends on the type of package and the board used, however it operates over a range of –40°C to 125°C.

The two input pins, Anode and Cathode, work together to create an electromagnetic field. This field is created by passing a current through the anode and cathode when a voltage is applied over them. The electromagnetic field generated causes the LED diode to emit light in the form of photons. The photons are absorbed by a photodiode which generates a current at the Node 1 and Node 2 output pins, consequently isolating the two circuits.

The CNY171SR2M Optoisolator has many advantages over traditional optoisolators such as a high efficiency, low power consumption, and fast response time. It is capable of achieving a high efficiency rate of up to 99.8%, while consuming about 2mA of current at the input pin. Additionally, the quick response time allows this optoisolator to quickly respond to changes in the input voltage and protect against electrical noise.

The CNY171SR2M Optoisolator is the perfect choice for applications requiring data and signal isolation such as power supply, embedded systems, and automotive. It is also designed to protect sensitive electronic systems, ensuring a long life and steady performance. It is a reliable and cost effective solution for many different applications, making it an ideal option for use in any field.

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