CNY17F-4X001

Output Type:	Transistor
Supplier Device Package:	6-DIP
Package / Case:	6-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.39V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	2µs, 2µs
Turn On / Turn Off Time (Typ):	3µs, 2.3µs
Current Transfer Ratio (Max):	320% @ 10mA
Current Transfer Ratio (Min):	160% @ 10mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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CNY17F-4X001 Application Field and Working Principle

Optoisolators - Transistor, Photovoltaic Output are electronic devices that use light to transmit signals across a gap. They provide an electrically isolated channel between two circuits, usually for the purpose of providing feedback or control signals in hazardous or difficult-to-reach locations. In this article, we will focus on the CNY17F-4X001, a photovoltaic output optoisolator, and its application field and working principle.The CNY17F-4X001 is a family of compact plastic optically-isolated and photo-coupled devices designed to provide reliable electrical isolation between two circuits. These optoisolators feature a high current transfer ratio (CTR) over a wide range of input conditions. This ensures a reliable transfer of signal between two circuits without inducing any electrical disturbance from one circuit to the other.The CNY17F-4X001’s application field mainly includes driving LED lamps, voltage monitoring, current monitoring, and control circuits. Its main characteristics include ultra low saturation voltage, good ESD protection, ability to work at a wide temperature range, and a wide CTR range. This optoisolator also features a small package size of 18.2 x 12.6 x 5mm in the SOT-89 package.The CNY17F-4X001’s main working principle is to use the input transistor’s base current to transfer the input signal to the light-emitting diode (LED). The LED then emits light, which is detected by the phototransistor’s base junction. This process causes the current through the photo-transistor’s collector junction to increase, which in turn causes the collector voltage to decrease. This decrease in voltage can then be used as signal feedback or output, depending on the application.The CNY17F-4X001’s photovoltaic output is provided with two outputs: the input and the output. The input accepts a biasing voltage to drive the LED as well as supply the base current required by the transistor. The output provides the output voltage, which is proportional to the current through the photo-transistor’s collector junction.In general, CNY17F-4X001 optoisolators offer an efficient and reliable solution for applications requiring electrical isolation. They provide low power consumption, excellent avalanche performance, and fast response times. In addition, they feature low noise and low saturation voltages, and can operate in temperatures ranging from -40°C to +105°C. This makes them an ideal choice for use in industrial and automotive environments.

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