B82451L2364E402

Rfid Antennas Overview

The B82451L2364E402 is a surface-mount transponder coil from the EPCOS B82451L series, designed for automotive applications. It features an inductance of 2.36 mH and a DC resistance of 20 Ohms. The component operates at 125 kHz with a sensitivity ranging between 7 mV/µT and 23 mV/µT. It has a Q factor between 50 and 58. The physical dimensions are 7.7 mm x 7.4 mm x 2.65 mm. It is qualified to AEC-Q200 standards and is RoHS compliant.

Rfid Antennas Feature Summary

• Ultra-small Z-axis form factor suitable for space-constrained PCB layouts
• High durability through injection-molded plastic baseplate and laser-welded connections
• Qualified for automotive environments under AEC-Q200 standards

Rfid Antennas Applications

• Passive Entry Passive Start (PEPS) systems
• Automotive door access systems
• RFID antenna implementations

Rfid Antennas Procurement Notes

Verify the specific ordering code against the official TDK Electronics catalog to ensure correct inductance and tolerance specifications. Confirm that the component meets current RoHS directives and AEC-Q200 qualification requirements for your target automotive application before finalizing procurement.

Rfid Antennas Selection Notes

Select this component when designing PEPS systems requiring a compact Z-axis solution. Ensure the design accommodates its 7.7 mm x 7.4 mm footprint. Consider compatibility with X and Y axis coils if a three-coil solution is required for high design flexibility and reduced PCB area usage.

Rfid Antennas Part Context

This part belongs to the B82451L series of transponder coils introduced by TDK Corporation following its acquisition of EPCOS. The series provides low insertion height components for passive entry systems. Note that TDK is gradually phasing out the EPCOS brand name for passive components in favor of the TDK brand.

Rfid Antennas Replacement Considerations

Check the official TDK ordering codes page for updated part numbers as the EPCOS brand is being discontinued. Verify if newer TDK-branded equivalents exist within the same B82451L family or other compatible series for long-term supply continuity.