Aluminium capacitor features low ESR
A low ESR conductive polymer aluminium capacitor with high temperature, ensuring the devices are suitable for demanding applications, have been introduced by Panasonic Automotive & Industrial Systems. Part of the SP Caps range, the HX series devices have an ESR down to 4.5mΩ and an operating temperature range from -55 to +125°C means that devices have a life of 10 years at +85°C, according to the company.
The devides have a ripple current rating of 8.5Arms, ensuring that they will withstand high stress levels. With a capacitance range of 15 to 560µF and suitable for voltages from 2-25V, the devices exhibit no capacitance drift over temperature and have no DC bias.
As no derating is required, the use the devices will result in a reduction in BOM count in some designs. When compared to tantalum devices, the SP Caps exhibit a more stable performance over temperature and frequency, are more reliable thanks to a self-healing mechanism and are non-flammable.
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