B82724A2102N021

Overview

The B82724A2102N021 is a common mode choke manufactured by EPCOS, now part of TDK Electronics. It features a rated inductance of 39 mH and supports a rated current of 1 A. The component utilizes a two-line through-hole configuration designed for electromagnetic interference suppression. Rated voltage specifications include 250 V AC at 50/60 Hz, with a test voltage of 1500 V AC for 2 seconds between lines. The device operates within a temperature range extending up to +70 °C depending on the specific variant rating.

Feature Summary

• Provides high inductance for effective noise filtering in power line applications
• Designed with a robust two-line structure for differential mode interference suppression
• Supports high insulation test voltages for safety compliance in mains circuits

Applications

• Electromagnetic interference suppression in AC power supplies
• Filtering in industrial control systems and machinery
• Noise reduction in household appliances connected to mains power

Procurement Notes

Verify the exact suffix against the manufacturer's latest documentation to confirm pinout and mechanical dimensions. Ensure the selected variant meets the required thermal class for the intended operating environment. Cross-reference the part number with official TDK catalogs to confirm availability status and any recent branding updates following the merger integration.

Selection Notes

Select this component based on the required 39 mH inductance and 1 A current handling capacity. Evaluate the voltage ratings to ensure compatibility with the specific AC mains frequency and insulation requirements of the target circuit. Consider the physical mounting constraints associated with the through-hole package design during the layout phase.

Part Context

This component belongs to the B82724 series of common mode chokes produced by EPCOS, which has been integrated into TDK Electronics. The series is engineered for general-purpose electromagnetic compatibility applications. These components are widely utilized in electronic equipment requiring reliable noise attenuation on AC input lines without compromising signal integrity or power delivery.

Replacement Considerations

Consult official substitution lists for equivalent inductance and current ratings. Verify that any alternative part matches the 250 V AC rating and 1500 V AC test voltage specifications. Ensure mechanical footprint compatibility before implementing any cross-brand replacements.