B82450A7004A000

Rfid Antennas Overview

The B82450A7004A000 is a surface-mount transponder coil designed for RFID applications. It operates at a frequency of 125 kHz with an inductance of 7.0 mH and a tolerance of ±3%. The component features a quality factor (Q) of 40 and a self-resonant frequency of 1.1 MHz. It is classified as an automotive-grade part, certified to AEC-Q200 standards, ensuring reliability for demanding environments.

Rfid Antennas Feature Summary

• Designed specifically for passive RFID transponder systems
• Automotive-grade construction compliant with AEC-Q200 certification
• Surface-mount package optimized for automated assembly processes

Rfid Antennas Applications

• Passive RFID tag integration
• Automotive keyless entry systems
• Vehicle immobilizer transponders

Rfid Antennas Procurement Notes

Verify the specific ordering suffix to confirm the exact inductance value and tolerance required for the design. Ensure compatibility with the target RFID reader's operating frequency. Confirm that the surface-mount footprint matches the PCB layout specifications. Check for any recent product change notices regarding marking or packaging updates from TDK Electronics.

Rfid Antennas Selection Notes

Select this component when a high-inductance value is required for low-frequency RFID operation. The 7.0 mH inductance supports efficient energy harvesting in passive tags. The automotive qualification makes it suitable for vehicle-mounted readers or tags requiring long-term durability. Consider the Q factor for signal sensitivity requirements in the application.

Rfid Antennas Part Context

This part belongs to the B82450 series of transponder coils manufactured by EPCOS, now TDK Electronics. The series provides various inductance values tailored for different RFID frequencies. These components are widely used in automotive identification systems due to their robustness and consistent performance characteristics under varying environmental conditions.

Rfid Antennas Replacement Considerations

Check the B82450A2364A000 for alternative inductance options within the same series. Verify if other suffixes in the B82450A family offer compatible mechanical dimensions. Ensure any substitute maintains the 125 kHz operational frequency and AEC-Q200 certification.