HCTC-5-3.7

Common Mode Chokes Overview

The HCTC-5-3.7 is a high current toroidal common mode choke manufactured by Signal Transformer. It features a through-hole mounting configuration designed for robust electrical performance in power filtering applications. The component exhibits an inductance of 5 mH measured at 1 kHz and supports a continuous current rating of 3.7 A. Its direct current resistance (DCR) is specified at 70 milliohms, ensuring efficient operation with minimal power loss. This two-line choke belongs to the HCTC series, which utilizes a toroidal core structure to provide effective noise suppression while maintaining compact physical dimensions suitable for various industrial and commercial electronic assemblies.

Common Mode Chokes Feature Summary

• High current handling capability utilizing a toroidal core design for enhanced magnetic efficiency
• Effective common mode noise filtration for two-line power circuits
• Through-hole construction providing secure mechanical stability in assembly environments

Common Mode Chokes Applications

• Power supply input filtering for industrial equipment
• Electromagnetic interference suppression in consumer electronics
• Noise reduction in AC/DC converter stages

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required voltage ratings and thermal characteristics. Confirm that the through-hole package dimensions align with the target printed circuit board layout constraints. Cross-reference the inductance tolerance and saturation current specifications with the system requirements to prevent performance degradation under load conditions.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring significant common mode noise attenuation alongside high current capacity. The 3.7 A rating and low DC resistance make it suitable for applications where power efficiency and signal integrity are critical. Ensure the operating temperature range meets the environmental demands of the final assembly, as toroidal chokes may exhibit varying thermal performance based on enclosure airflow.

Common Mode Chokes Part Context

This part belongs to the HCTC series of high current toroidal chokes from Signal Transformer. The series is characterized by its ability to handle substantial currents while maintaining compact form factors. Other models in the lineup vary primarily in inductance values and current ratings, allowing engineers to scale filtering capabilities according to specific power line requirements without changing the fundamental mounting or structural design approach.

Common Mode Chokes Replacement Considerations

Consult the official cross-reference guide for verified substitute part numbers. Ensure any alternative component matches the 5 mH inductance, 3.7 A current rating, and 70 milliohm DCR specifications. Verify that the replacement maintains the same through-hole footprint and toroidal geometry to preserve mechanical fit and electromagnetic performance characteristics.