PC4N280YSZX

Input Type:	DC
Supplier Device Package:	6-DIP
Package / Case:	6-DIP (0.300", 7.62mm), 5 Leads
Mounting Type:	Through Hole
Operating Temperature:	--
Vce Saturation (Max):	500mV
Voltage - Forward (Vf) (Typ):	--
Current - Output / Channel:	100mA
Voltage - Output (Max):	30V
Output Type:	Transistor with Base
Series:	--
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	10% @ 10mA
Voltage - Isolation:	500Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Introduction

Optoisolators, or optocouplers, are designed to provide electrical isolation between the input and output stages of a signal circuit. They are usually used in electronic systems to prevent any direct electrical connection between areas that can be exposed to hazardous electrical conditions. One of the more popular optoisolators is the PC4N280YSZX, an optoisolator with a transistor photovoltaic output. This article will discuss the application fields and the working principle of the PC4N280YSZX.

Application Fields

The PC4N280YSZX is among the most widely used optoisolators available. It is suitable for a variety of applications due to its high input-to-output isolation, low power consumption, and fast response time. Its ability to provide very high opto-isolation, and its versatility, make it ideal for home, industrial, and automotive use. PC4N280YSZX is heavily used in home automation and security systems due to the reliable input to output isolation. Its low power consumption, fast response time and wide operating temperature range make it suitable for such systems. It is also widely used in industrial controls because it features a relatively low cost compared with other similar devices, yet still provides reliable performance. PC4N280YSZX can be used in motor control, automotive fuel injectors, and power conversion systems.

Working Principle

The PC4N280YSZX operates on the principle of electric current passing through two separate circuits. In optoisolators, an input circuit is isolated electrically from the output circuit. The PC4N280YSZX uses a photovoltaic effect to achieve this isolation. At the heart of the PC4N280YSZX is an infrared diode. When a current is applied to the diode, it emits a beam of infrared light. This beam travels to the photoresistor, which is sensitive to infrared light. When the light hits the photoresistor, it creates an electrical signal, which is then amplified by the transistor and outputted as a current. The main advantage of this arrangement is that the input and output circuits are completely isolated - without any physical connection. This ensures that the two circuits are both electrically and thermally isolated, providing a high degree of safety and reliability.

Conclusion

The PC4N280YSZX is an optoisolator with a transistor photovoltaic output. It is widely used in home automation and security systems, as well as in industrial and automotive applications due to its low cost, fast response time, and reliable input-to-output isolation. Its working principle relies on using the photovoltaic effect to electrically isolate the input and output circuits. This provides a high level of safety and reliability, which makes the PC4N280YSZX a popular choice for many applications.

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