High-density stacked multi-layered polymer capacitors operate to 125C

03-03-2015 | Cornell Dubilier | Passives

Cornell Dubilier has announced availability of its Type RA multi-layered
polymer capacitors for 125C operation. Type RA capacitors are constructed
using stacked metallized polyester protected with an impregnated sealant,
which eliminates the need for an external case. This package style offers
the highest energy density technology available for switching power
supplies, DC to DC converters and other high ripple current applications.

“These are excellent high performance filter capacitors in a very small
size,” said Bill Haddad, product manager, Cornell Dubilier Electronics.

Type RA capacitors are impregnated with a microcrystalline polymer sealant
and exterior tape wrap that protects the capacitor element from moisture,
allowing it meet 85C/ 85% RH requirements for demanding applications in
defence and aerospace applications.

Available in capacitance values ranging from 0.1µF to 10µF, voltage ratings
of 100, 250, 400 and 500VDC, Type RA capacitors are terminated with radial
leads to cover a broad range of applications in power electronics where high
density capacitors are needed for board-level DC filtering, says the
company.

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