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MOC3081FVM is listed in the Triac, SCR Output Optoisolators range at ChipApex. The manufacturer field lists onsemi. Its product description is OPTOISOLTR 7.5KV TRIAC 1CH 6-SMD. Review the specifications below when checking this part for your BOM.
The MOC3081FVM is a single-channel Triac output optocoupler from onsemi, designed for zero-crossing detection in AC power control applications. It features a PhotoTriac output capable of blocking up to 800 V and operates with an isolation voltage of 7500 Vrms. The device supports a maximum forward current of 60 mA and includes an integrated zero-crossing circuit that triggers at approximately 20 V. Packaged in a 6-SMD surface-mount format, it functions within a temperature range of -40°C to +85°C, providing reliable signal isolation for triac gate driving.
Verify the specific suffix FVM against official datasheets to confirm the 7500 Vrms isolation rating and surface-mount configuration. Ensure compatibility with existing PCB footprints for the 6-SMD package. Cross-reference manufacturer part numbers to distinguish this variant from through-hole or lower-isolation equivalents within the MOC3081 family.
Select this component when high-voltage isolation and low-noise switching are required for AC loads. The zero-crossing feature minimizes electromagnetic interference compared to random-phase devices. Confirm that the 800 V blocking voltage meets the peak line voltage requirements of the target application circuit.
This device belongs to the MOC3081M series of Triac & SCR Output Optocouplers. It shares functional similarities with other members like the MOC3081TVM but differs in packaging and isolation specifications. The series is widely recognized for robust performance in industrial and consumer AC power control environments.
Public confirmed substitute part numbers: IL4108-X017.
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