Metalized polymer capacitors feature DC filtering03 Jul 2013
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Cornell Dubilier recently rolled out its latest metalized polymer capacitors, which provide low equivalent series resistance and high ripple-current capability for use in DC/DC converter and switching power-supply designs. The Type CS capacitors are available in capacitance values ranging from 2.0µF to 10.0µF, voltage ratings of 50VDC, 100VDC, 250VDC, 400VDC, and 500VDC; and current ratings of up to 18A RMS.
Encapsulated in a rugged conformal coating, Cornell's latest capacitors come with straight pins on 2.54mm centres for through-hole mounting or gull-wing leads for surface-mount assembly. The epoxy exterior is UL94V-O rated with the ability to pass 85°C/85 per cent RH requirements for demanding military and aerospace applications.
The stacked polyester construction of the Type CS capacitors offers many advantages over ceramic capacitors, including capacitance and dissipation-factor stability, no piezoelectric effect, and resistance to thermal shock. They are also self-healing and operate over a temperature range of –55°C to 125°C.
Datasheet for the Type CS Capacitors can be found here.
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