Film capacitor deals with harsh environments

16th December 2020
Mick Elliott

 New Yorker Electronics has announced the launch and release of the Exxelia Dearborn 560P film capacitor product series. The 560P is designed as a cost-effective solution for high reliability and for performance in severe environments.

Exxelia’s 560P product series combines electrical performance between BOPP & PET while exhibiting a higher operating temperature and a longer lifetime.

The PTFE 560P series is an ultra- stable 180°C Film capacitor, with a rated stability of less than 2.5% with capacitance from 0.22μF to 1μF under 250VDC to 800VDC.

It offers the lowest loss characteristic of all film technologies less than 0.1% at extreme temperatures (to 200°C) with excellent life performance in operations.

The series offers resistance to vibrations, shocks and to over voltage making it ideal for Oil & Gas applications as well as Aerospace, Defense and Civil Aviation.

With absolutely no derating up to 150°C, this dielectric polymer film capacitor supplants high temperature ceramics and tantalums being an ideal choice for many capacitor applications in harsh environments, such as DC Link and AC Filtering.

The series is constructed of non-inductive wound metallized polymer film housed in a case of flame retardant tape wrap and high-temperature resin end fill.

The lead material is 0.200 to 0.500 in. of copper clad steel with 0.500 in. tinned copper wire and the lead strength is capable of withstanding a five-pound pull force on lead axis.

Voltages from 320VDC to 800VDC are available with capacitance values from 0.022μF to 10μF and standard tolerances of ±10% or ±5%.

PTFE is the only film able to preserve its properties beginning from cryogenic temperature up to 200°C, making it suitable for high-temperature, sampler-blocker and stopping sampler applications.

Polystyrene (PS) capacitors are perfect as precision capacitors for time constant and filter applications in aeronautics, defence, rail, telecom and medical fields.

Earlier this year, New Yorker Electronics released another high-temp capacitor, the Exxelia PTFE 253P series, with operating temps to 200°C with no derating.

Both series are available with a high degree of customization, such as tighter tolerances available upon request.

Samples are now readily available for evaluation from New Yorker Electronics.

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