1540M25

Overview

The Hammond Manufacturing 1540M25 is a heavy-duty RF choke and toroidal coil designed for industrial applications. It features an inductance of 8000 uH (8 mH) with a DC current rating of 0.7 A. The component exhibits a DC resistance of 3.34 ohms and utilizes a leaded through-hole mounting style. Constructed as a fixed inductor within the 1540 series, it serves as a hash choke for signal filtering.

Feature Summary

• Heavy-duty construction suitable for robust industrial environments
• Toroidal core design for efficient magnetic flux containment
• Leaded configuration for standard through-hole PCB integration

Applications

• RF signal filtering in electronic circuits
• Hash choke applications for noise suppression
• Industrial control equipment power conditioning

Procurement Notes

Verify the specific inductance tolerance and thermal characteristics against the official Hammond Manufacturing datasheet prior to integration. Confirm that the 0.7 A DC current rating aligns with the maximum operational load requirements of the target circuit to prevent saturation or overheating issues during sustained use.

Selection Notes

Select this component when a high-inductance value is required for low-frequency RF interference suppression. Ensure the physical dimensions accommodate the available board space and that the through-hole pin spacing matches the printed circuit board layout constraints for reliable mechanical attachment.

Part Context

This part belongs to the Hammond Manufacturing 1540 series of toroidal coils. These components are engineered for durability and consistent performance in demanding electrical systems. The series provides various inductance options tailored for different filtering needs across industrial and commercial electronics sectors.

Replacement Considerations

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