B82725A2122N020

Overview

The B82725A2122N020 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features an inductance of 82 mH and a rated DC current of 1.2 A with a maximum DC resistance of 950 mOhm. Designed for power line applications, it supports 250 V AC and operates within a temperature range of -40°C to +125°C. The component utilizes a horizontal radial through-hole mounting style with dimensions of 44.00 mm x 42.40 mm x 25.00 mm.

Feature Summary

• Current-compensated design utilizing a ring core structure for effective noise suppression
• Dual-line filtering capability suitable for power line interference reduction
• Robust thermal performance supporting operation up to 125°C

Applications

• Power line filtering in industrial equipment
• Electromagnetic interference suppression in consumer electronics
• Data processing system power input stages

Procurement Notes

Verify the specific ordering suffix against official TDK/EPCOS documentation to ensure correct packaging and tolerance specifications. Confirm that the radial lead configuration matches the target PCB layout requirements. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before procurement.

Selection Notes

Select this component when high inductance values are required for common mode noise attenuation in compact power supply designs. The radial through-hole package facilitates manual assembly or standard wave soldering processes. Ensure the 1.2 A current rating aligns with the maximum load current of the application circuit to prevent saturation.

Part Context

This component belongs to the B82725A series of current-compensated ring core double chokes. The series is engineered for power line applications requiring significant inductance in a standardized footprint. It complements other EPCOS passive components used in EMI mitigation strategies across automotive and industrial sectors.

Replacement Considerations

Consult official substitution guides for equivalent inductance and current ratings within the B8272x series. Verify mechanical compatibility and electrical parameters before replacing.