MOC3063STA1-V

Triac, SCR Output Optoisolators Overview

The MOC3063STA1-V is a zero-crossing triac output optocoupler manufactured by Lite-On Inc. It features a single channel with a phototriac output and an integrated zero-crossing detection circuit for low electromagnetic interference switching. The device utilizes a surface-mount 6-pin PDIP gull-wing package. Key electrical parameters include a maximum forward current of 50 mA, a forward voltage of 1.2 V, and a power dissipation of 250 mW. It provides 5000 Vrms isolation voltage and supports a peak repetitive off-state voltage of 600 V. The component operates within a temperature range of -40°C to +100°C.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuit minimizes inrush current and radio frequency interference during AC load switching.
• High isolation voltage capability ensures safe galvanic separation between control circuits and high-voltage loads.
• Surface-mount packaging facilitates automated assembly and compact PCB layout design.

Triac, SCR Output Optoisolators Applications

• Solid state relays for AC load control
• Motor speed controllers
• Lighting dimmer circuits

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'TA1' confirms the tape-and-reel packaging format required for automated surface-mount assembly processes. Confirm RoHS compliance status matches project environmental regulations. Ensure the selected distributor sources directly from authorized channels to guarantee component authenticity and traceability for critical industrial applications.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to reduce electrical noise in AC control systems. The surface-mount form factor is suitable for designs prioritizing space efficiency over through-hole mounting. Verify that the 600 V blocking voltage meets the peak line voltage requirements of the target application circuit.

Triac, SCR Output Optoisolators Part Context

This part belongs to the MOC3063 series of triac output optocouplers. It shares functional similarities with other members like the MOC3063S but differs in packaging and reel specifications. The series is designed for general-purpose AC switching applications requiring reliable isolation and low EMI performance.

Triac, SCR Output Optoisolators Replacement Considerations

MOC3063SM is listed as a substitute option by distributors.

Triac, SCR Output Optoisolators FAQ

What is the purpose of the zero-crossing circuit in this device?

The zero-crossing circuit delays triggering until the AC line voltage crosses zero, reducing inrush current and electromagnetic interference.

Does the TA1 suffix indicate a change in electrical function?

No, the suffix typically denotes packaging variations such as tape-and-reel configuration rather than changes in electrical characteristics.