HCTC-20-2.9

Common Mode Chokes Overview

The HCTC-20-2.9 is a high current toroidal common mode choke manufactured by Signal Transformer. It features a vertical through-hole mounting style with four pins. The component provides an inductance of 20 mH at 1 kHz and supports a current rating of 2.9 A. Its DC resistance is specified at 210 mOhm, with a leakage inductance of 0.095 mH. The device operates within a temperature range of -40°C to 125°C and complies with RoHS standards.

Common Mode Chokes Feature Summary

• High current toroidal core design for efficient magnetic performance
• Vertical through-hole construction with four-pin configuration
• RoHS compliant manufacturing process

Common Mode Chokes Applications

• Common mode noise filtering in power supply circuits
• EMI suppression in high current applications
• Signal integrity protection in electronic assemblies

Common Mode Chokes Procurement Notes

Verify the specific part number HCTC-20-2.9 against official Signal Transformer documentation to confirm electrical parameters such as 20 mH inductance and 2.9 A current rating. Ensure compatibility with vertical through-hole mounting requirements and check for any recent product change notices or environmental compliance updates before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component when high current handling capability and common mode noise rejection are required in a through-hole format. The 2.9 A rating and low DC resistance make it suitable for power stages where efficiency and thermal management are critical. Verify that the physical dimensions and pin configuration fit the target PCB layout constraints.

Common Mode Chokes Part Context

This component belongs to the HCTC series of high current toroidal chokes from Signal Transformer. The series is designed for robust performance in demanding power electronics applications. The HCTC-20-2.9 specifically addresses needs for higher current capacity compared to lower-rated variants in the same family.

Common Mode Chokes Replacement Considerations

Consult official Signal Transformer catalogs for direct replacements within the HCTC series. Verify that substitute parts match the 20 mH inductance, 2.9 A current rating, and 210 mOhm DCR specifications to ensure circuit compatibility.