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Film Capacitors are Non polarized, and may be used in AC or DC
circuits.
Typical values range form 1000pF to 1uF for Polyerster Film,
and 0.01uF to 18uF for metallized Film capacitors.
Standard Film Capacitor values change in multiples of 10, 12, 15, 18, 22, 27, 33, 39,
47, 56, 68, 82.
Normal Temperature Coefficient [TC] for Film Capacitors
is +7%.
The following link provides a description of the different types of Film capacitors
Capacitor Information.
The page provides the reasons to use one dielectric over another, to cover the question why use one type of film capacitor.
Aerovox Div. PPC {Fill metallized Polyester}
American Capacitor Corp {Polypropylene, Polycarbonate, Polyester Film capacitors}
ASC Capacitors {Polypropylene - Polycarbonate - Polyester Film Capacitors}
Cornell Dubilier {Polyester Film/Foil, Polyester metallized, Polypropylene Film/Foil, Polypropylene metallized Capacitor Manufacturer}
Electrocube Inc. {metallized Polyester, Polyester/Foil, Polypropylene Foil, metallized Polycarbonate, metallized Polypropylene}
EPCOS {metallized Polyester, metallized Polypropylene Film Capacitors}
Evox Rifa; refer to Kemet for Film Capacitors
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Illinois Capacitor {metallized Polyester / Polypropylene Film Capacitors}
ITW Paktron {High Voltage Film Caps}
Kemet {General purpose Film Capacitors}
Meritek Electronics Corp. {Film Foil Polystyrene-Polyester-metallized Polyester-Film Foil Polypropylene-metallized Polypropylene}
NIC Components {metallized Polyester Film -Polyphenylene Sulfide Film (PPS)-Polyester Film}
Nichicon {metallized Polyphenylene Sulfide Film, metallized Polyester, Polypropylene/metallized Polypropylene Film, }
Richey Capacitor Inc {Polypropylene, metallized Polypropylene, Polyester, metallized Polyester Film Capacitor Manufacturer}
Rubycon Corporation {Polyester, Polypropylene, metallized polyester Film Capacitor Manufacturer}
Surge Components Inc. {Film Capacitor Manufacturer; Polyester Film, metallized Polyester Film, Polypropylene, metallized Polypropylene Film}
United ChemiCon {metallized polypropylene film, metallized polypropylene film, metallized polyester film. Capacitor}
Ventronics Inc {Polyester/Polypropylene Capacitors}
Vishay {Precision-AC/Pulse/General Purpose Film Caps}
Wima {Polyester, Polypropylene, metallized Paper, GTO capacitors, Snubber capacitors}
Military standards
MIL-C-87217 Fixed Capacitors, Supermetallized Plastic Film Dielectric, Hermetically Sealed in metal Cases
MIL-C-27287 Fixed Capacitors, Plastic Dielectric, Non-metallic Cases
MIL-C-18312 Fixed Capacitors, metallized (Paper-Plastic, or Plastic Film) Dielectric, Hermetically Sealed in metal Cases
Capacitor Design and Usage;
Capacitor Information
{Dielectric Types, Temperature Coefficient, Chip sizes, Board Placement,
and Value selection}
Capacitor Dictionary,
Terms and definitions
{Plastic Film Capacitor Manufacturers and Vendors top}
This is a general listing of Plastic Film Capacitor manufacturers
and vendors. The listing is subdivided by dielectric material.
The types
of products or devices the manufacturer produces are listed under the
company name, in alphabetic order.
In many cases a particular
manufacturer will produce capacitors of each dielectric material, but not
in all cases.
Additional component manufacturers may be found by
selecting the Components icon below.
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