MOC3012SR2VM

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The MOC3012SR2VM is an optoisolator in the family of triac, SCR Output optoisolators. These optoisolators are designed for applications where low-level optical coupling is necessary to provide electrical insulation between circuits. The MOC3012SR2VM is particularly well-suited for AC switching and motor control applications.

The MOC3012SR2VM contains a dual optically coupled triac driver in a SOIC-8 package. Inputs to the device are logic compatible and will directly drive the device. This device isolates the low-level analog or digital control signals from the high-level power outputs. Signal propagation delays are minimized to provide fast turn-on and turn-off times.

The MOC3012SR2VM has an operating temperature range of -55°C to +125°C. It has a typical insulation voltage of 5000V RMS to meet the safety requirements for industrial applications. The nominal 1.6A current drive capability makes the MOC3012SR2VM suitable for a wide range of power applications. The device is offered in three different version to optimize performance across different applications.

When used as a triac driver, the MOC3012SR2VM has a forward voltage of 2.4V and a reverse isolation of greater than 50V. This ensures low power dissipation while providing consistent triac triggering. The device has three possible power modes for operation. Medium current output, low current output, and medium voltage output. These output configurations can be used to protect circuitry from over-voltage or inrush current.

The MOC3012SR2VM is an off-line part, meaning there is no need for an additional DC power supply. It has an internal bi-directional clamp diode built-in to protect against high voltage transients. This device also has an integrated zero-cross detector for triac driver applications. The device can detect the zero-cross reference within the AC line, allowing the triac to switch faster.

The MOC3012SR2VM has an integrated noise filter, which helps reduce the amount of interference caused by switching noise. This also helps reduce electromagnetic interference (EMI) and Radio Frequency Interference (RFI). The device is offered in both surface mount and through-hole packages, allowing for it to be used in a variety of applications. It is lead-free and RoHS compliant.

In conclusion, the MOC3012SR2VM is an optoisolator specifically designed for AC switching and motor control applications. It has a 1.6A current drive capability, with a turn-on and turn-off time of less than 1µs. Its features include an internal bi-directional clamp diode, an integrated zero-cross detector, an integrated noise filter, and three power modes for operation. The device is available in both surface mount and through-hole packages. It is lead-free and RoHS compliant, making it an excellent device for industrial applications.

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