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TRIAC driver - 250 - 800 V | MOC30xx , FOD series
The TRIAC driver opto-couplers are snubberless and feature a built-in active dv/dt clamp. This design provides the best-in-class noise immunity of 10,000V/μ s, which means it is superior to the average dv/dt rating of the monolithic TRIAC drivers. The RC snubber network required for the lower-rated TRIAC drivers is eliminated. As a result, design time is saved and the cost of materials is reduced. High noise immunity makes these superior TRIAC driver opto-couplers ideal for noisy industrial environments, as they offer a better solution for isolating lightning ballasts, AC motor controls and solid-state relays. An integrated zero-cross inhibit circuit is featured by the FOD41XX family of random phase drivers. This technology prevents the device from switching near the ACC mains peak.