611D

Overview

The Hammond Manufacturing 611D is an encapsulated pulse transformer designed for SCR and Triac triggering applications. It features a 1:1:1 winding configuration and offers an inductance of 17mH with a DC resistance of 1.73 ohms. The component utilizes a through-hole mounting style, ensuring secure integration into circuit boards. This device is engineered to provide reliable signal isolation and power transfer for gate drive circuits in industrial and commercial electronic systems.

Feature Summary

• Encapsulated construction for enhanced durability and environmental protection
• Optimized for SCR and Triac triggering applications
• Provides galvanic isolation via 1:1:1 winding configuration

Applications

• SCR gate drive circuits
• Triac trigger modules
• Industrial control systems requiring isolated pulse transmission

Procurement Notes

Verify the specific datasheet version when sourcing, as manufacturing revisions may occur. Confirm that the encapsulation type matches your thermal and mechanical requirements. Ensure the through-hole footprint aligns with your PCB design constraints before finalizing procurement orders.

Selection Notes

Select this component when a robust, encapsulated solution for thyristor triggering is required. The 17mH inductance supports stable pulse transmission. Consider the 1.73 ohm DC resistance for efficiency calculations in low-power gate drive designs compared to non-encapsulated alternatives.

Part Context

This part belongs to the Hammond Manufacturing pulse transformer series, specialized for power electronics control. It serves as a critical interface between low-power control logic and high-power switching devices like SCRs and Triacs, ensuring safe and effective operation in various industrial environments.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.