VOT8026AB-T

Overview

The VOT8026AB-T is a zero-crossing optoisolator featuring a Triac output, manufactured by Vishay Semiconductor Opto Division. It provides 5300Vrms isolation voltage and supports a maximum RMS on-state current of 100 mA with an 800 V blocking voltage. The device operates within a temperature range of -55°C to 110°C and utilizes a surface-mount package.

Feature Summary

• Integrated zero-crossing detection circuitry for precise AC power switching
• High isolation voltage rating ensuring safe signal separation
• Triac output configuration suitable for direct AC load control

Applications

• AC motor speed control systems
• Solid-state relay modules
• Lighting dimmer circuits

Procurement Notes

Verify the specific suffix designation against official Vishay documentation to confirm package type and pinout configuration. Ensure that the selected variant matches the required isolation voltage and thermal characteristics for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when high-voltage isolation and zero-crossing functionality are required for AC loads. Consider the 100 mA current limit and 800 V blocking capability to ensure compatibility with the intended circuit parameters and operating conditions.

Part Context

This part belongs to Vishay's Triac output optocoupler family, designed for industrial and consumer applications requiring electrical isolation. It complements other variants in the series offering different packaging options or specific electrical ratings for diverse system integration needs.

Replacement Considerations

Consult official substitution lists for equivalent parts with matching isolation ratings and current capabilities. Verify pin compatibility and thermal performance before implementing any alternative components in existing designs.