MOC211R2VM

Output Type:	Transistor with Base
Supplier Device Package:	8-SO Tall
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.15V
Current - Output / Channel:	150mA
Voltage - Output (Max):	30V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	3.2µs, 4.7µs
Turn On / Turn Off Time (Typ):	7.5µs, 5.7µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	20% @ 10mA
Voltage - Isolation:	2500Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic OutputOptoisolators, also known as optocouplers, are devices used in electronics applications to electrically isolate two electronic circuits. Generally, they consist of an infra-red light-emitting diode (LED) and a photo-transistor. Light from the LED passes through an optical barrier and is then detected by the photo-transistor. This triggers the transistor to conduct current, which bridges the two isolated circuits. A specific type of optoisolator is the MOC211R2VM. This optoisolator provides electrical isolation of 4000V while featuring a high gain, fast switching, and low saturation voltage as compared to other opto-isolators such as photo-Darlington type. This makes the MOC211R2VM ideal for many different applications. The MOC211R2VM utilizes a photovoltaic output transistor as its primary output. The photovoltaic output is designed to operate as a switch, specifically to be turned on or off in order to control the flow of current between two circuits. This is accomplished by the photo-transistor absorbing the light from the LED and causing a voltage drop in the external circuit, thus controlling the flow of current. The MOC211R2VM is typically used in applications where either two DC circuits need to be electrically isolated, or a DC circuit needs to be isolated from an AC circuit. One practical application is in switch-mode power supplies. The MOC211R2VM is used to isolate the output of the power supply from the input so as to prevent any electrical shocks. The MOC211R2VM is also used in motor control systems to perform switching operations. In this application, an electrical impulse is provided to the MOC211R2VM, which activates the photo-transistor. This activates the switch, allowing the motor to be controlled in either reverse or forward direction.Since the MOC211R2VM is an optoisolator, it provides a number of advantages over a mechanical switch. It has very low power consumption, with no electrical contact needed for the switching mechanism, and is much more reliable than a normal mechanical switch. Moreover, its exceptionally high isolation voltage eliminates the need for additional insulation in the circuits being used. In conclusion, the MOC211R2VM is a powerful optoisolator that is suitable for a wide range of applications. By utilizing a photovoltaic output transistor as its primary output, the MOC211R2VM is able to provide electrical isolation of up to 4000V while providing a very low power consumption. This makes the MOC211R2VM an ideal optoisolator for applications such as switch-mode power supplies and motor control systems.

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