VO3021

Triac, SCR Output Optoisolators Overview

The VO3021 is a single-channel optoisolator manufactured by Vishay Semiconductor Opto Division. It features a GaAs infrared LED coupled to a triac output device, providing electrical isolation with a rated insulation voltage of 5000Vrms. The component is available in a 6-DIP package and is designed for applications requiring reliable signal transmission across isolated circuits while maintaining high voltage withstand capabilities.

Triac, SCR Output Optoisolators Feature Summary

• Integrates an infrared emitting diode with a triac output for efficient signal coupling
• Provides robust electrical isolation between input and output circuits
• Designed for zero-crossing detection to minimize electromagnetic interference

Triac, SCR Output Optoisolators Applications

• Solid-state relay driver circuits
• AC power switching control systems
• Industrial motor control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix code (e.g., -X017T) against the manufacturer datasheet to confirm package type and tape/reel specifications. Ensure the selected variant matches the required insulation voltage and pin configuration for the target PCB layout. Cross-reference ordering information with official Vishay documentation to avoid discrepancies in lead times or packaging quantities.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high-voltage isolation is required for AC load control. Consider the triac output capability for direct driving of low-power AC loads. Evaluate the package style availability, such as DIP or surface mount variants, based on assembly requirements. Confirm that the operating temperature range meets the environmental conditions of the intended application.

Triac, SCR Output Optoisolators Part Context

This part belongs to Vishay's optoelectronic isolation portfolio, which includes various phototransistor and triac output couplers. The VO3021 specifically addresses the need for isolated switching in industrial and consumer electronics. It complements other Vishay isolators by offering a dedicated solution for AC control applications with integrated zero-crossing functionality.

Triac, SCR Output Optoisolators Replacement Considerations

Check for direct substitutes like the VO3021-X017T for surface mount equivalents. Verify pin compatibility and isolation ratings before substituting with other triac-output optocouplers from different manufacturers.