Power Film Capacitors

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What is a power film capacitor?

Film capacitors are widely used because of their superior characteristics. This capacitor type is not polarized, which makes them suitable for AC signal and power use. Film capacitors can be made with very high precision capacitance values, and they retain that value longer than other capacitor types.

This means that the aging process is generally slower than in other capacitor types, such as the electrolytic capacitor. Film capacitors have a long shelf and service life, and are very reliable, with a very low average failure rate. They have low ESR (Equivalent Series Resistance), low self-inductance (ESL), and as a result very low dissipation factors. They can be made to withstand voltages in the kilovolt range and can provide very high surge current pulses.

A special class of film capacitors, called power film capacitors, is available; this class of film capacitors can withstand reactive power exceeding 200 volt-amperes. These capacitors may have special screw-type terminals which can withstand high currents. Screw-type terminals replace soldered joints because power film capacitors sometimes need to be changed in the field.

Applications:

Power film capacitors are used in power electronics devices, phase shifters, X-ray flashes and pulsed lasers, while the low power variants are used as decoupling capacitors, filters and in A/D convertors. Other notable applications are safety capacitors, electromagnetic interference suppression, fluorescent light ballasts and snubber capacitors.

The Cornell Dubilier 947C series high capacitance Film Capacitors use the most advanced metallised film technology for long life, high reliability in DC link applications. This series delivers high capacitance, high voltage and high ripple current handling capabilities required for inverters used in wind, solar and fuel cell applications.

  • Non-polar dielectric
  • Dry and resin filled
  • High reliability and life expectancy
  • Replacement for aluminium electrolytic capacitors (lower capacitance, higher current)
  • Low ESR
  • Low inductance
  • Aluminium with black PVC sleeve case
  • UL94V-0 dry resin
  • Tin-plated brass terminals

 
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C4AQLBU5180M1EK
C4AQLBU5180M1EK - Power Film Capacitor, Metallized PP, Radial Box - 2 Pin, 18 µF, ± 10%, DC Link, Through Hole

56AJ0297

Power Film Capacitor, Metallized PP, Radial Box - 2 Pin, 18 µF, ± 10%, DC Link, Through Hole

KEMET

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Metallized PP Radial Box - 2 Pin - 18µF - ± 10% DC Link - Through Hole - - - 500V - PC Pin 27.5mm 65V/µs 1.17kA 13.7A 0.0053ohm
C4AQGLW5160P33K
C4AQGLW5160P33K - Power Film Capacitor, Metallized PP, Radial Box - 4 Pin, 16 µF, ± 10%, DC Link, Through Hole

38AJ1346

Power Film Capacitor, Metallized PP, Radial Box - 4 Pin, 16 µF, ± 10%, DC Link, Through Hole

KEMET

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Metallized PP Radial Box - 4 Pin - 16µF - ± 10% DC Link - Through Hole - - - 450V - PC Pin - 30V/µs 480A 10.5A 0.0089ohm
MP008787
MP008787 - CAP, FILM, 200UF, 460VAC, SCREW ROHS COMPLIANT: YES

24AK6761

CAP, FILM, 200UF, 460VAC, SCREW ROHS COMPLIANT: YES

MULTICOMP PRO

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- Can - 200µF - ± 5% - - Stud Mount - M12 460V - - - - Screw - - 40A - 900µohm
SCRN240R-F
SCRN240R-F - Power Film Capacitor, Film / Foil Paper, Can, 0.5 µF, ± 10%, SCR Commutating, Panel Mount

61M0215

Power Film Capacitor, Film / Foil Paper, Can, 0.5 µF, ± 10%, SCR Commutating, Panel Mount

CORNELL DUBILIER

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Film / Foil Paper Can - 0.5µF - ± 10% SCR Commutating - Panel Mount - - - 1.5kV - Threaded Stud 20.57mm - - 60A -ohm
940C6W4P7K-F
940C6W4P7K-F - Power Film Capacitor, Double Metallized PP, Axial Leaded, 4.7 µF, ± 10%, Snubber, Through Hole

66K5409

Power Film Capacitor, Double Metallized PP, Axial Leaded, 4.7 µF, ± 10%, Snubber, Through Hole

CORNELL DUBILIER

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Double Metallized PP Axial Leaded - 4.7µF - ± 10% Snubber - Through Hole 275V - - 600V - PC Pin -mm 105V/µs 492A 16.8A 0.004ohm
940C8W1K-F
940C8W1K-F - Power Film Capacitor, Double Metallized PP, Axial Leaded, 1 µF, ± 10%, Snubber, Through Hole

66K5415

Power Film Capacitor, Double Metallized PP, Axial Leaded, 1 µF, ± 10%, Snubber, Through Hole

CORNELL DUBILIER

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Double Metallized PP Axial Leaded - 1µF - ± 10% Snubber - Through Hole 450V - - 850V - PC Pin -mm 400V/µs 400A 11.5A 0.005ohm
BFC237540562
BFC237540562 - Film Capacitor, KP/MKP 375 Series, 5600 pF, 5%, PP (Polypropylene), 2 kV RoHS Compliant: Yes

35M0632

Film Capacitor, KP/MKP 375 Series, 5600 pF, 5%, PP (Polypropylene), 2 kV RoHS Compliant: Yes

VISHAY

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Metallized PP Radial Box - 2 Pin - 5600pF - ± 5% High Current, Pulse - Through Hole 600V - - 2kV GRADE II (Test Condition A) PC Pin 10mm 15kV/µs - - -
940C16P68K-F
940C16P68K-F - Power Film Capacitor, Double Metallized PP, Axial Leaded, 0.68 µF, ± 10%, Snubber, Through Hole

66K5376

Power Film Capacitor, Double Metallized PP, Axial Leaded, 0.68 µF, ± 10%, Snubber, Through Hole

CORNELL DUBILIER

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Double Metallized PP Axial Leaded - 0.68µF - ± 10% Snubber - Through Hole 630V - - 1.6kV - PC Pin -mm 800V/µs 544A 13.1A 0.006ohm
A28F5606S
A28F5606S - Power Film Capacitor, Film / Foil PP, Can, 0.5 µF, ± 10%, Snubber, Panel Mount

74R9400

Power Film Capacitor, Film / Foil PP, Can, 0.5 µF, ± 10%, Snubber, Panel Mount

GE

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Film / Foil PP