MOC3043SVM Isolators

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Optoisolators are devices that provide electrical isolation between circuits to improve safety. The MOC3043SVM is a member of the family of optoisolators which use Triac, SCR Output. It is designed to meet the demands of automotive and other high voltage applications.

The MOC3043SVM features an integrated GaAs infrared emitting diode (IRED) and silicon bilateral switch optically coupled to each other in a compact DIP package. The built-in Zener diode allows for easy biasing of the LED and reduces the configurations in the LED circuit. The MOC3043SVM series is designed with an open drain output, eliminating the need for additional external components. Additionally, the LED side of the device features short-circuit protection and narrow packages. This makes it the perfect choice for high voltage automotive applications.

The MOC3043SVM optoisolator is one of the optoisolator line-ups that uses Triac- and SCR output. A Triac is a three-terminal semiconductor device that is used for controlling electrical current in circuits. It is similar to an SCR (silicon controlled rectifier), but it can be triggered in both directions, making it much more flexible than an SCR. The MOC3043SVM Triac is capable of switching loads up to 400W with a blocking voltage of up to 600V. The SCR output has similar specifications with a load capacity of up to 600W and a blocking voltage of up to 800V.

The MOC3043SVM series operates by using the LED light energy to turn on the lower power switching element. The LED light energy liberates electrons from the higher power element which in turn allows current to pass through the device. The MOC3043SVM series features a low operating current of 5mA and a Min/Max output current of 0.5mA/20mA.

The MOC3043SVM is designed to meet the demands of automotive applications where high voltage switching is required. It is capable of switching up to 600W of load with a blocking voltage of up to 800V. The optoisolator features a built-in Zener diode for easy biasing of the LED, short-circuit protection and narrow package. These features make the MOC3043SVM the ideal choice for high voltage automotive applications.

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