MOC3082SVM

Current - LED Trigger (Ift) (Max):	10mA
Approvals:	IEC/EN/DIN, UL
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.3V
Turn On Time:	--
Current - Hold (Ih):	500µA (Typ)
Series:	--
Static dV/dt (Min):	600V/µs
Voltage - Off State:	800V
Voltage - Isolation:	4170Vrms
Number of Channels:	1
Zero Crossing Circuit:	Yes
Output Type:	Triac
Part Status:	Active
Packaging:	Tube

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Introduction

MOC3082 is a kind of optoisolator semiconductor device with isolated TRIAC and SCR output. It is mainly used in low power AC or DC control applications. It has many features like high common mode transient immunity, Schmitt type quiet turn on ac input, and wide range of operating currents. Its applications include AC current switch, patient safety isolator, PFC control, and industrial motor control. In this paper, the general field and working principle of MOC3082SVM will be discussed in detail.

Field of Application

MOC3082SVM is an optoisolator semiconductor device with isolated TRIAC and SCR(silicon controllable rectifier)output.It is primarily used in low power AC or DC control applications; like switchboard AC current switch, patient safety isolator, PFC control and industrial motor control. Its thick IEC 60747-5-2 isolation allows for a wide variety of application. MOC3082SVM can be used in a switched-mode power supply (SMPS)Voltage regulation. In SMPSVoltage regulation, the MOC3082SVM provides a fast and reliable way to control the voltage within a certain range. When the voltage falls below the control range, the MOC3082SVM will activate the TRIAC to switch the required amount of voltage, preventing the voltage from falling further. The MOC3082SVM can also be used in solar energy sources for overvoltage protection. As the solar panel converts light into electricity, the voltage can sometimes become extremely high. The MOC3082SVM can then be used to limit the voltage to a predefined value.

Working Principle

The MOC3082SVM works by using an opto-isolator to separate the outputs from the control input. Inside the MOC3082SVM is a light emitting diode (LED) and a photo-diodes. The photo diode rediation acts as an input port to the photo detecto diode inside the MOC3082SVM. In addition to the opto-isolator there are two main components: a TRIAC (Thyristor Alternating Current) and an SCR (Silicon Controlled Rectifier). The TRIAC is used for applications with high current or AC control, while the SCR is used for lower current or DC applications. When an AC signal is applied to the MOC3082SVM, the LED will send a pulse which allows a current to flow in the photo-diode. This current triggers the SCR or the TRIAC, which then interacts with the main power source. The SCR or the TRIAC then works as a switch and either opens or closes the power source, depending on the input signal and the current mode.

Conclusion

The MOC3082SVM is a reliable and efficient optoisolator that can be used for a variety of applications. It has a wide range of operating current and a variety of field applications. Its main components are a TRIAC and an SCR which interact with the input signal to control the main power source. The MOC3082SVM is a great device for any AC/DC application.

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