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    Low leakage tantalum, NbO capacitors improve tire pressure monitoring
    Automotive DesignLine

    Tire pressure is affected by many factors, including ambient temperature, the tightness of air valves, how snug the tire fits to the wheel rim or hidden defects. The problem of fluctuating ambient temperature has a simple solution: tires can be filled with nitrogen, which has less affected by temperature changes than air, thus pressure remains stable.

    Still, the other factors remain, resulting in low tire pressure, which often goes unnoticed by drivers because the effect is gradual. It is not only adhesion between tire and road surface, which is adversely affected. Rolling resistance also increases, leading to greater fuel consumption and CO2 emissions.

    The author examines basic types of tire pressure monitoring systems and capacitor requirements. He concludes that niobium oxide capacitors are best suited for circuits where the bulk capacitor can be switched off at higher operating temperatures.

    Read the entire article here.

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