CNY17-1X009T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Channels:	1
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	40% @ 10mA
Current Transfer Ratio (Max):	80% @ 10mA
Turn On / Turn Off Time (Typ):	3µs, 2.3µs
Rise / Fall Time (Typ):	2µs, 2µs
Input Type:	DC
Output Type:	Transistor with Base
Voltage - Output (Max):	70V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.39V
Current - DC Forward (If) (Max):	60mA
Vce Saturation (Max):	400mV
Operating Temperature:	-55°C ~ 110°C
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Gull Wing
Supplier Device Package:	6-SMD

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The CNY17-1X009T is an optoisolator Transistor, Photovoltaic Output. It is designed with an AC or DC voltage input and a NPN output transistor. It is a reliable solution for the isolation of low-speed digital signals that needs to be reliable and safe from overvoltage or overcurrent. This optoisolator is designed for two particular application fields:1.High-voltage isolation in distributed systemsDistributed systems developed for industrial needs usually employ very high-voltage levels that can prove hazardous to the equipment and personnel nearby. The CNY17-1X009T offers a reliable solution for isolation up to 10kV. This is achieved by a working principle based on the isolation of the output transistor from the high-voltage connection, achieved with the optoisolator isolated input. 2.Networking/CommunicationsIn the domain of networking, the CNY17-1X009T optoisolator is used to isolate low-speed signals for communication and protection. It is usually employed in providing low-voltage isolation for circuit RS-485, RS-422, or other low-speed data transmissions. The critical parameter in the application of this optoisolator is the isolation voltage. In the case of the CNY17-1X009T, the voltage is determined by the transient voltage suppressor (TVS) that is built-in. The TVS can absorb up to 10kV transients.The typical working principle of this optoisolator relies on the construction of the device. It comprises of two parts: an emitter/photodiode that allows the input signal to pass and a transistor that is optically isolated from the emitter. The emitters collect the light energy of the input signal, that generates electrons which will flow through the transistor and output the desired signal. The on-state resistance of this optoisolator is typically 200Ω with a saturation voltage of approximately 0.5V. This resistance will create a certain level of loading on the circuit that is chosen for the application of the device. It is then important to determine the current requirement of the circuit based on the level of resistance and the voltage used. In conclusion, the CNY17-1X009T optoisolator is a reliable device for the isolation of low-speed digital signals that need to be secure from overvoltage or overcurrent. Its applications are found in high-voltage isolation in distributed systems and in providing low-voltage isolation for circuit RS-485, RS-422, or other low-speed data transmissions. Its operation relies on the principle of optically isolating input signals and a transistor that responds by creating the desired output.

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