Panasonic Automotive & Industrial Systems has introduced a new low profile version of its SP-Cap range of specialty conductive polymer aluminum capacitors. Measuring just 0.9mm above the PCB, the devices (LR & SR series) are rated from 2V up to 6.3V with capacitance values of 68 to 220µF. Capacitance tolerance is ±20% (120Hz / +20 degrees C).
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“Polymer capacitors present several advantages over other electrolytic devices”, explains Melanie Raimann, European Product Manager for Polymer Capacitors at Panasonic. “Thanks to their ultra-low ESR values, polymer capacitors have a low impedance near their resonance point which helps to smooth ripple voltage in power circuits. Polymer capacitors, unlike ceramic devices, suffer no capacitance drifts due to temperature changes and DC bias, so they remain stable over time. Lastly, polymer capacitors have a self-healing capability that eliminates failures due to cracking in the dielectric layer caused by electrical or mechanical stresses.”
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