CNY17-4S(TB)

Output Type:	Transistor with Base
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	300mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.65V (Max)
Current - Output / Channel:	--
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	6µs, 8µs
Turn On / Turn Off Time (Typ):	10µs, 9µs
Current Transfer Ratio (Max):	320% @ 10mA
Current Transfer Ratio (Min):	160% @ 10mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators - Transistor, Photovoltaic Output are a type of optically isolated device. They are used in a variety of applications to provide electrical isolation while using a light source (i.e. an LED) to transmit information. The CNY17-4S(TB) optoisolator is a four-channel device that operates by passing a small current through an LED, which in turn causes the light-sensitive transistor within the optoisolator to turn on.

Application Field

Optoisolators find applications across many industries, including in high-voltage transmission systems, medical equipment, communications, automotive, industrial automation, and HVAC systems to name a few. They are most commonly used to protect sensitive electronic components from damage due to surges, voltage spikes, and other forms of electrical noise.The CNY17-4S(TB) optoisolator is designed for use in high-voltage applications where electrical isolation between two circuits is critical. It is ideal for use in applications such as power supplies, lightning arresters, HVAC systems, and motor controllers. The low power consumption and wide operating temperature range make it suitable for a variety of applications.

Working Principle

When current is passed through the LED, it emits light that is strong enough to cause electrons in the semiconductor material inside the optoisolator to be emitted. The optoisolator consists of a base, a collector, a photo-sensitive transistor, and an emitter. When the LED is activated, the electrons are attracted to the collector and away from the emitter, which creates a current flow. This current flow is ultimately transmitted to the external circuit.The current flow is limited by the collector-emitter saturation voltage of the optoisolator, which is typically in the range of 1.2-20V. The base-emitter junction voltage is typically in the range of 0.5-1.2V. The LED forward voltage varies depending on the LED type, but is typically in the range of 1.5-3V.The CNY17-4S(TB) optoisolator is designed specifically for high-voltage applications, so it requires a higher current (25mA) than most optoisolators. The current flows through the LED, then into the base of the optoisolator, and out of the collector.

Safety Considerations

The CNY17-4S(TB) optoisolator is designed for high-voltage applications and should be handled with care. In order to prevent a short circuit or other type of hazard, be sure to pay close attention to the manufacturer’s instructions regarding wiring, installation, and use. In addition, it is also important to note that the optoisolator should not be exposed to temperatures above the specified maximum operating temperature.

Conclusion

The CNY17-4S(TB) optoisolator is an ideal device for providing electrical isolation in high-voltage applications. It is designed with a wide operating temperature range and low-power consumption making it suitable for a variety of applications. It is important to handle the device with care, and to follow the manufacturer’s instructions for proper installation and use.

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