VO2223B-X017T

Triac, SCR Output Optoisolators Overview

The VO2223B-X017T is a single-channel Triac and SCR output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a PhotoTRIAC output capable of handling a maximum continuous output current of 1 A and a repetitive peak off-state voltage (VDRM) of 600 V. The device provides an isolation voltage of 4470 Vrms and operates within a temperature range of -40 °C to +85 °C. It utilizes an SMD-8 surface-mount package without zero-crossing circuitry, designed for high-voltage isolation in power control applications.

Triac, SCR Output Optoisolators Feature Summary

• Provides galvanic isolation between input control circuits and high-voltage AC loads using a PhotoTRIAC output stage.
• Capable of switching significant load currents up to 1 A with a blocking voltage rating of 600 V.
• Designed for direct interface with logic-level inputs without requiring external zero-crossing detection.

Triac, SCR Output Optoisolators Applications

• Solid-state relays for AC load switching
• Motor speed control circuits
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix X017T confirms the SMD-8 surface mount package variant rather than the through-hole DIP version. Ensure the design accounts for the absence of internal zero-crossing circuitry when selecting this component for phase-control applications. Confirm that the 4470 Vrms isolation rating meets the safety requirements of the target application environment.

Triac, SCR Output Optoisolators Selection Notes

Select this component when a surface-mount solution is required for isolating low-power control signals from high-voltage AC mains or industrial loads. It serves as a suitable alternative to through-hole variants like the VO2223B when PCB space constraints dictate the use of SMD-8 packaging. Consider the thermal dissipation capabilities inherent to the surface-mount form factor during layout.

Triac, SCR Output Optoisolators Part Context

This part belongs to the VO2223 series of Triac output optocouplers from Vishay. The series includes both through-hole DIP-8 versions (such as VO2223A and VO2223B) and surface-mount equivalents. The X017T suffix specifically denotes the SMD-8 configuration, distinguishing it from tube-packaged DIP counterparts while maintaining identical electrical performance characteristics.

Triac, SCR Output Optoisolators Replacement Considerations

The VO2223B-X007T is a documented substitute part number within the same family, offering equivalent electrical specifications in a different reel packaging format. Verify pinout compatibility before substitution.