With its newly-developed transponder series, Epcos has expanded its broad range of inductors with a series of high-performance and robust products. In addition to their outstanding electrical properties, these components are distinguished by their high mechanical strength, making them well-suited for demanding applications such as immobilisers and tyre pressure monitoring systems (TPMS). For the immobiliser, the coils are incorporated in the car key, while in the TPMS, they are directly in the wheel, where they are exposed to high mechanical and dynamic stresses.
This extrusion-coated series (designated B82450A) was developed in close cooperation with the automotive industry. Apart from these two automotive applications, the coils are suited for other application areas that also require high mechanical ruggedness.
The transponder coils are designed for a frequency of 125 kHz and can be operated in the temperature range from -40 to 125°C. They are RoHS-compatible, suitable for lead-free reflow soldering to JEDEC J-STD-020C and can be processed with automatic SMD placement systems.
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