CNY17F-1X017T

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Optoisolators provide a degree of electrical isolation between two circuits – often between the low-voltage (LV) side and the high-voltage (HV) side. The CNY17F-1X017T Optoisolator is specifically designed for transistor output applications, where it provides a way to activate a transistor with the isolated signal from the LV side. This device offers the convenience of a transistor output and the safety of isolation combined in one package.

The CNY17F-1X017T has an internal Silicon photovoltaic (PV) cell, which is converted to a corresponding electrical signal after being activated by receiving a light signal from the LV side of the Optoisolator. This assists in switching a transistor by the electric current applied which would cause the transistor’s Collector voltage to drop. Subsequently, a signal will be transmitted from the emitter of this transistor to the HV side.

The insulating performance of CNY17F-1X017T is based on the light-electric-light (LEL) conversion principle. The maximum isolation voltage for CNY17F-1X017T is 5.0 kVrms. The receiver of this device is recommended to be used in low-noise, ESD-protected circuits. In addition, the maximum repetitive peak off-state voltage of CNY17F-1X017T up to 50 V, while maximum working current is 20 mA.

CNY17F-1X017T is designed with a 0.6A phototransistor collector current, with optimized performance such as low current transfer ratio (CTR), low noise, and fast switching functionality. It exhibits a CTR of typically 200%, and is designed for an operating temperature range of -40°C to +85°C.

Due to its features of high isolation voltage, high current transfer ratio, and long life time, CNY17F-1X017T is widely used in industrial automation, medical equipment, energy conversion, home appliances, automotive systems, and other control and communication applications. Typical applications for the device include power supply regulation, stepper motor control, and AC/DC switching. It is also used to isolate digital input signals of microcontrollers, switches, and buttons from higher voltage applications.

In conclusion, CNY17F-1X017T is one of the latest additions to the field of transistor-output Optoisolators and provides superior electrical isolation performance, fast switching time, high current transfer ratio and low power consumption.

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