B82721S0322A010

Overview

The B82721S0322A010 is a surface-mount ring core common mode choke manufactured by EPCOS, now part of the TDK Electronics portfolio. Designed for power line filtering applications, this component features an inductance value of 0.22 mH and supports a rated current of 3.2 A. It operates within a temperature range up to +40°C and complies with RoHS directives. The device utilizes a dual-line configuration suitable for suppressing electromagnetic interference in household appliances such as washing machines, dishwashers, refrigerators, and heating control units.

Feature Summary

• Surface-mount ring core construction designed for compact PCB integration
• Dual-line common mode filtering capability for power line noise suppression
• Compliance with RoHS environmental directives for safe disposal and usage

Applications

• Washing machine power supply circuits
• Dishwasher control unit filtering
• Refrigerator compressor drive protection
• Heating control device EMI suppression

Procurement Notes

Verify the manufacturer designation carefully, as EPCOS products are integrated into the TDK Electronics portfolio. Confirm that the specific suffix matches the required inductance and current ratings for your design. Ensure compliance with RoHS standards is documented in the official datasheet provided by the supplier. Cross-reference the package type to guarantee compatibility with your automated assembly processes.

Selection Notes

Select this component when designing power filters for household appliances requiring robust common mode noise reduction. The 0.22 mH inductance and 3.2 A current rating make it suitable for moderate power applications. Consider the surface-mount form factor for high-volume manufacturing efficiency. Evaluate thermal performance at +40°C limits to ensure reliability under continuous operation in enclosed appliance housings.

Part Context

This component belongs to the B82721K series of ring core chokes introduced by EPCOS for home appliance markets. The series provides standardized filtering solutions compliant with international safety and environmental regulations. Integration into the TDK Electronics lineup ensures continued support and availability for legacy and new designs requiring reliable EMI suppression in domestic electrical equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and mechanical dimensions before considering any alternative components from other manufacturers to ensure direct replacement feasibility without circuit redesign.