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Material Overview

Film Capacitors
Wrap and Fill - Round Configuration Wrap and Fill - Oval (Rect.) Configuration
 
Material Operating Temperature Insulation Resistance (I.R.) D.F. Test Surge Voltage
Metallized
Mylar 		-55°C to +85°C
Derate linearly to 50% from +85°C to +125°C		 (50-100V) 10,000 Megohms/ mfd.
Not to exceed 40,000 Megohms
(200V + ) 25,000 Megohms/ mfd.
Not to exceed 60,000 Meg ohms		 < 1.0%
at 1 Khz
and at +25°C		 150%
of the rated Voltage
Mylar / Foil -55°C to +85°C
Derate linearly to 50% from +85°C to +125°C		 50,000 Megohms/ mfd.
Not to exceed 100,000 Megohms		 < 0.5%
at 1 Khz
and at +25°C		 200%
of the rated Voltage
Metallized
Poly-
propylene		 -55°C to +85°C
Derate linearly to 60% from +85°C to +105°C		 200,000 Megohms/ mfd.
Not to exceed 400,000 Megohms		 < 0.2%
at 1 Khz
and at +25°C		 150%
of the rated Voltage
Poly-
propylene / Foil		 -55°C to +85°C 250,000 Megohms/ mfd.
Not to exceed 500,000 Megohms		 < 0.1%at 1 Khz and at +25°C 200%
of the rated Voltage
Mylar / Kraft / Foil -55°C to +85°C
Derate linearly to 60% from +85°C to +125°C		 20,000 Megohms/ mfd.
Not to exceed 100,000 Megohms		 < 1.0%
at 1 Khz
and at +25°C		 200%
of the rated Voltage
*Metallized
Poly-
phenylene Sulfide		 -55°C to +125°C (50-100V) 25,000 Megohms/ mfd.
Not to exceed 50,000 Megohms
(200V + ) 50,000 Megohms / mfd.
Not to exceed 100,000 Megohms		 < 0.15%
at 1 Khz
and at +25°C		 150%
of the rated Voltage
*Poly-
phenylene Sulfide / Foil		 -55°C to +125°C 100,000 Megohms/ mfd.
Not to exceed 200,000 Megohms		 < 0.15%
at 1 Khz
and at +25°C		 200%
of the rated Voltage
** Metallized Poly-
carbonate		 -55°C to +125°C (50-100V) 25,000 Megohms/ mfd.
Not to exceed 50,000 Megohms
(200V + ) 50,000 Megohms/ mfd.
Not to exceed 100,000 Megohms		 < 0.30%
at 1 Khz
and at +25°C		 150%
of the rated Voltage
Teflon / Foil -55°C to +150°C 250,000 Megohms /mfd.
Not to exceed 500,000 Megohms		 < 0.2% @ 1 khz
and at +25°C		 200% of rated Voltage
* Polyphenylene sulfide (pps) can substitute Polycarbonate. Contact the factory for more information.
** Polycarbonate may not be available, call factory for availability.

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