CMT-03801

Common Mode Chokes Overview

The Tamura CMT-03801 is a single-phase common mode choke designed for through-hole mounting. It features an inductance of 1 mH at 1 kHz and supports a maximum current rating of 8 A. The component has a maximum DC resistance (DCR) of 20 mOhm and a voltage rating of 250 V AC. Its physical dimensions are 33.00 mm in length by 22.00 mm in width.

Common Mode Chokes Feature Summary

• Provides electromagnetic interference suppression for single-phase circuits
• Supports high current handling up to 8 A
• Designed for reliable through-hole PCB integration

Common Mode Chokes Applications

• Single-phase EMI filtering
• Power supply input stages
• AC line noise reduction

Common Mode Chokes Procurement Notes

Verify the current availability status as multiple sources indicate this part number may be discontinued or obsolete. Confirm lead times with authorized distributors if stock is claimed. Ensure the replacement specifications match the original design requirements, specifically regarding inductance, current rating, and physical footprint compatibility.

Common Mode Chokes Selection Notes

Select this component for applications requiring robust common mode noise attenuation in single-phase systems. The 8 A rating suits moderate power levels, while the low DCR minimizes insertion loss. Verify that the 250 V AC rating aligns with the operating voltage environment and that through-hole mounting is feasible within the enclosure constraints.

Common Mode Chokes Part Context

This component belongs to the Tamura CMT series of common mode chokes. These devices are engineered for general-purpose EMI suppression in AC power lines. The series typically offers various inductance and current ratings to accommodate different power stage requirements across industrial and consumer electronics applications.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to potential discontinuation status, verify equivalent components from other manufacturers ensuring matching 1 mH inductance, 8 A current rating, and compatible mechanical dimensions.