EL817(D)-VG

Series:	--
Packaging:	Tube
Part Status:	Active
Number of Channels:	1
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	300% @ 5mA
Current Transfer Ratio (Max):	600% @ 5mA
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	6µs, 8µs
Input Type:	DC
Output Type:	Transistor
Voltage - Output (Max):	80V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - DC Forward (If) (Max):	60mA
Vce Saturation (Max):	200mV
Operating Temperature:	-55°C ~ 110°C
Mounting Type:	Through Hole
Package / Case:	4-DIP (0.300", 7.62mm)
Supplier Device Package:	4-DIP

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EL817(D)-VG Application Field and Working Principle

Optoisolators - Transistor, Photovoltaic Output, is a category of isolation devices that use light and transistors output to provide a high level of electrical isolation while maintaining low power consumption. EL817(D)-VG are one of the most popular optoisolators typically used in industrial, commercial, and consumer applications, and their working principle and application field are described in this article.The EL817(D)-VG optoisolators consist of a LED light source, a light-sensitive semiconductor photodetector, and a phototransistor output. The LED emits a light flux that is picked up by the photodetector, which consists of a Schottky diode and a reverse-biased photodiode. The light energy is then converted to a signal voltage and is then coupled to the phototransistor through a series resistor, which acts as a buffer to protect the phototransistor from overvoltage. The output voltage is typically 5 or 9 volts, depending on the LED light source used. The isolation provided by the EL817(D)-VG optoisolator is typically 4.5 kV, which is sufficient for most industrial and commercial applications. The EL817(D)-VG devices are usually classified as linear output, non-volatile, low power, and non-isolated, and they can be used to drive circuits with low noise levels. For instance, the EL817(D)-VG devices are commonly used to drive DC motor controllers, which are used for motor speed control or positioning applications. Additionally, they can also be used to drive power transistor modules and to provide isolated switching signals in a wide variety of applications, such as lighting control, overload protection, current sensing, and motor speed control. The EL817(D)-VG optoisolators can also be used in a variety of analog and digital systems, such as temperature controllers, PLCs, and PID control applications. The devices also provide high frequency response and low offset, which are necessary for precision applications. Additionally, the devices are also very reliable due to their high isolation voltage and insulation resistance. In conclusion, the EL817(D)-VG optoisolators are one of the most popular optoisolators for industrial, commercial, and consumer applications. The devices have a wide variety of uses, from motor speed control to lighting control and overload protection. The devices are linear output, non-volatile, low power, and non-isolated, and have high frequency response and low offset, making them suitable for precision applications. Additionally, the devices also provide high insulation resistance and isolation voltage, making them reliable. Thus, the EL817(D)-VG optoisolators are an excellent choice for a wide variety of applications.

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