Q3083

Triac, SCR Output Optoisolators Overview

The Q3083 is a Triac output optoisolator manufactured by QT Brightek (QTB). It provides electrical isolation between control circuits and high-voltage loads. The device features a 5000Vrms isolation voltage rating and includes an integrated zero-crossing detection circuit for reduced electromagnetic interference. It is housed in a 6-DIP package with a pin pitch of 7.62mm. The component operates within a temperature range of -55°C to +100°C and supports a load voltage of up to 800V.

Triac, SCR Output Optoisolators Feature Summary

• Integrated zero-crossing detection circuitry
• High voltage isolation capability
• Triac output configuration

Triac, SCR Output Optoisolators Applications

• Solid-state relay switching
• AC motor control systems
• Industrial process control interfaces

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific datasheet revision to confirm mechanical dimensions and electrical ratings match the design requirements. Ensure compatibility with the intended operating temperature range and isolation voltage standards. Check for RoHS compliance status if required by the final assembly regulations. Confirm the package type matches the PCB footprint specifications.

Triac, SCR Output Optoisolators Selection Notes

Select this component when AC load switching with low noise is required. The built-in zero-crossing feature minimizes electrical stress on connected loads. Consider the 5000Vrms isolation rating for safety-critical applications. Evaluate the through-hole mounting requirement against available board space and manufacturing capabilities.

Triac, SCR Output Optoisolators Part Context

This part belongs to the Q308X series of optoisolators from QT Brightek. These devices are designed for general-purpose isolation in industrial environments. The series offers various output types, with the Q3083 specifically configured for triac applications. It serves as a bridge between low-power logic circuits and high-power AC systems.

Triac, SCR Output Optoisolators Replacement Considerations

Direct substitutes must match the 6-DIP package, 5000Vrms isolation, and triac output type. Verify that any alternative component also includes zero-crossing detection if EMI reduction is critical. Ensure the replacement supports the same load voltage and holding current specifications.