B82722J2132N001

Overview

The B82722J2132N001 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features a ferrite core and a polycarbonate case rated UL 94 V-0. The component has a rated inductance of 6.8 mH, a rated voltage of 250 V AC, and supports rated currents ranging from 0.3 A to 3 A depending on the specific variant within the series. It utilizes sector winding for high resonance frequency and exhibits approximately 1% stray inductance. The device is designed for through-hole mounting with four terminals.

Feature Summary

• Current-compensated ring core double choke design for symmetrical interference suppression
• High resonance frequency achieved through special sector winding technique
• Low stray inductance of approximately 1% for effective common-mode noise reduction
• Construction includes UL 94 V-0 rated polycarbonate case and polyurethane potting

Applications

• Suppression of common-mode interferences in power lines
• Electronic ballasts in lighting systems
• Switch-mode power applications

Procurement Notes

Verify the exact rated current and inductance tolerance against the specific datasheet revision, as the B82722J series covers a wide range of values. Confirm that the 250 V AC rating aligns with your circuit requirements. Ensure the through-hole package dimensions fit your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards.

Selection Notes

Select this component when symmetrical common-mode noise suppression is critical. The low stray inductance makes it suitable for applications requiring balanced line filtering. Consider the thermal performance and maximum operating temperature limits relative to the expected load current. Verify compatibility with wave soldering processes if used in automated assembly lines.

Part Context

This part belongs to the B82722A/J series of power line chokes. These components are engineered for electromagnetic compatibility in AC power circuits. The series offers various inductance values from 1.2 mH to 68 mH. They are widely used in industrial and consumer electronics to meet regulatory emission standards.

Replacement Considerations

Check equivalent parts within the B82722 series for different inductance or current ratings. Verify mechanical footprint compatibility before substitution. Ensure electrical parameters such as saturation current and insulation voltage match the original design requirements.