MOC3051FR2M

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Type:	Triac
Zero Crossing Circuit:	No
Number of Channels:	1
Voltage - Isolation:	7500Vpk
Voltage - Off State:	600V
Static dV/dt (Min):	1kV/µs
Current - LED Trigger (Ift) (Max):	15mA
Current - Hold (Ih):	280µA (Typ)
Turn On Time:	--
Voltage - Forward (Vf) (Typ):	1.15V
Current - DC Forward (If) (Max):	60mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Gull Wing
Supplier Device Package:	6-SMD
Approvals:	UR

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Introduction

The MOC3051FR2M is a high power, low cost triac output optocoupler. It is equipped with an SCR output and a photocoupler for the input, and it is designed to provide isolation between the two circuits. This optocoupler is ideal for SCR and triac switching. It is also a good choice for applications that require isolation between the AC line and the load. The MOC3051FR2M has an IC with a triggerable LED, an integrated protection diode, a power switch, and a high voltage rectifier.

Application Field

The MOC3051FR2M is used in a wide variety of applications. It can be used in motor control, switch mode power supplies, general switching, AC line voltage sensing, over voltage and short circuit protection, and lightning and surge protection. The MOC3051FR2M is also ideal for applications that require long life and high reliability. The MOC3051FR2M can also be used in industrial automation, remote control systems, power management systems, and home appliance control. It can be used in a wide range of devices such as air conditioners, refrigerators, microwave ovens, dishwashers, and other major appliances. It can also be used in general purpose AC switching such as lamp switching, relay control, and solenoid control.

Working Principle

The MOC3051FR2M optocoupler uses an LED and a phototriac to provide isolation between the input and output circuits. The LED is driven by the input control voltage, and when it’s activated it emits light, which triggers the phototriac. The phototriac then acts as a switch to turn on the output switch. The MOC3051FR2M optocoupler also uses a high voltage rectifier to protect the LED from overvoltage. The high voltage rectifier acts as a protective device, limiting the input voltage to a safe level. It is designed to withstand over-voltage transient events and surges up to 4kV.

Conclusion

The MOC3051FR2M optocoupler is a reliable, high power optocoupler for SCR and triac switching applications. It provides isolation between circuits and it has a wide range of applications in industrial automation, home appliance control, and general-purpose AC switching. It protects against over-voltage transient events and surges up to 4kV, and it is a cost-effective solution for applications that require long life and high reliability.

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