B82724A2302N021

Overview

The B82724A2302N021 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features two elements with a nominal inductance of 12 mH and a DC resistance of 0.125 Ω. Designed for power line applications, it supports a rated voltage of 250 V AC and operates within a temperature range of -40 °C to +125 °C. The component utilizes a ferrite core and is housed in a rectangular radial leaded package measuring 31.3 mm in length and 33.2 mm in height.

Feature Summary

• Current-compensated design utilizing a ring core structure for effective noise suppression
• Dual-element configuration providing balanced filtering capabilities
• Robust construction suitable for demanding industrial environments

Applications

• Power line chokes for electromagnetic interference suppression
• Filtering in industrial electronic equipment
• Noise reduction in general purpose inductor circuits

Procurement Notes

Verify the specific suffix N021 against official TDK documentation to confirm pinout and mechanical dimensions. Ensure compatibility with the required operating temperature class, as the series supports multiple ratings. Confirm RoHS compliance status and lead material specifications prior to integration into production designs.

Selection Notes

Select this component when high inductance values are required for low-frequency noise attenuation in dual-line configurations. The radial leaded format facilitates through-hole mounting on printed circuit boards. Consider the physical dimensions and thermal characteristics to ensure adequate clearance and heat dissipation within the target enclosure layout.

Part Context

This part belongs to the B82724A/J series of power line chokes from EPCOS (TDK Electronics). These components are engineered for current-compensated applications where common-mode noise must be minimized without affecting the differential signal. The series is widely utilized in industrial and commercial power supplies to meet regulatory emission standards.

Replacement Considerations

Consult official TDK substitution guides for equivalent parts within the B82724 series. Verify that any alternative maintains identical inductance, current rating, and dimensional constraints to ensure seamless board replacement.