B82450A1855E001

Rfid Antennas Overview

The B82450A1855E001 is a surface-mount RFID transponder coil manufactured by TDK Electronics. Designed for low-frequency applications, this component operates at a resonant frequency of 125 kHz. It features an AEC-Q200 automotive grade qualification, ensuring reliability in demanding environments. The physical dimensions are 7.8 x 2.7 x 2.7 mm, suitable for compact SMD assembly. The part is RoHS compliant and meets REACH standards.

Rfid Antennas Feature Summary

• Surface mount design optimized for automated PCB assembly processes
• Automotive-grade construction certified under AEC-Q200 standards
• Resonant operation specifically tuned for 125 kHz RFID systems

Rfid Antennas Applications

• Automotive keyless entry systems
• Passive RFID tag integration
• Transponder coil implementation in vehicle immobilizers

Rfid Antennas Procurement Notes

Verify the specific ordering suffix to ensure correct inductance and tolerance specifications. Confirm that the procurement channel provides original manufacturer documentation. Check for recent brand transition notices regarding EPCOS to TDK rebranding to ensure accurate labeling and traceability during acquisition.

Rfid Antennas Selection Notes

Select this component when designing for 125 kHz RFID applications requiring automotive reliability. Ensure the PCB layout accommodates the specified 7.8 x 2.7 x 2.7 mm footprint. Consider the Q factor requirements for the specific antenna circuit design to maintain efficient signal coupling within the transponder system.

Rfid Antennas Part Context

This component belongs to the B82450 series of transponder coils from TDK Electronics. The series includes various variants with different inductance values tailored for specific RFID frequencies. These coils are widely used in passive identification systems where robust performance and small form factors are critical for modern electronic integration.

Rfid Antennas Replacement Considerations

Consult official TDK cross-reference lists for direct substitutes. Verify that alternative parts match the 125 kHz frequency and AEC-Q200 qualification if automotive use is required. Ensure mechanical footprint compatibility before replacing.