Passives

Film capacitors operate at up to 200°C

24th September 2020
Mick Elliott

Exxelia’s new 253P Series of Wrap-and-Fill High Temperature PTFE Film capacitors are in stock at distributor New Yorker Electronics.

The PTFE capacitor is the most stable 200°C Film capacitor on the market with 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 (200°C) with excellent life performance in operations.

The series offers great resistance to vibrations, shocks and to over voltage making it ideal for oil & gas applications as well as defence and civil aviation.

It boasts rugged, lightweight construction. 

These non-inductive wound PTFE metallised polymer film capacitors are available in voltage ranges from 250VDC to 800VDC and in capacitance ranges from 0.22μF to 1μF.

They come in standard tolerances of ±10% and ±5% and operate at temperatures between -55°C and 200°C. 

These wrap-and-fill capacitors are constructed with non-Inductive wound PTFE metallised Polymer film in a flame retardant tape wrap and high-temperature resin end fill.

Lead material for PTFE less than 600V PTFE uses insulated silver stranded copper wire and uses MIL-W-16878/4 (Type E) wire for those greater than 600V.

It is capable of withstanding a five-pound pull force on lead axis. 

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, defense, rail, telecom and medical fields.

Exxelia is an established designer and manufacturer of complex passive components, resistors and sub-systems dedicated to harsh environments.

New Yorker Electronics is a franchise distributor of Exxelia Dearborn of the Exxelia Group and supplies its full line of Film, Mica, Tantalum, Aluminum Electrolytics and Ceramic Capacitors as well as its EMI/RFI Filters, Magnetics, Position Sensors, Slip Rings and Rotary Joints.

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