Paper Capacitors

Paper capacitors are a type of capacitor with a layered construction of aluminium sheets separated by waxed or oiled paper sheets. The paper between the aluminium acts as the dielectric (insulating) material. Some paper capacitors feature a cardboard cover while others are encapsulated in hard plastic.
What do capacitors do?
Capacitors are a type of passive component that stores an electrical charge. The more charge a capacitor can store, the larger its capacitance is. Capacitance is measured in denominations of farads – such as microfarads or picofarads.
What are the advantages and disadvantages of paper capacitors?
• Paper capacitors have a high working voltage and a high capacitance range. They are suited to high voltage and high current applications.
• The paper dielectric provides excellent stability and reliability of the component.
• Paper capacitors tend to have high leakage rates, making them unsuitable for applications such as AC coupling
• Paper capacitors typically have tolerances between ±10% and ±20%, making them unsuitable for precision timing circuits.

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Description Price Capacitance Voltage Series Lead Pitch Tolerance Minus Tolerance Plus Tolerance Suppression Class Package/Case Mounting Type Length Height Depth Dimensions
RS Stock No. 173-4937
Mfr. Part No.PME264NB5100MR30
BrandKEMET
HK$20.363
Each (In a Bag of 400)
units
10 nF 1.5 kV dc, 660 V ac PME261 15.2mm -20% +20% ±20% X2 - Through Hole 18.5mm 13mm 7.3mm 18.5 x 7.3 x 13mm
RS Stock No. 875-2428
Mfr. Part No.P295BJ222M500A
BrandKEMET
HK$10.486
Each (In a Pack of 5)
units
2.2 nF 500 V ac P295 15mm -20% +20% ±20% Y1 - Through Hole 18mm 6.5mm 12.5mm 18 x 12.5 x 6.5mm
RS Stock No. 173-4178
Mfr. Part No.P278EJ104M480A
BrandKEMET
HK$13.338
Each (In a Bag of 100)
units
100 nF 480 V ac P278 25.4mm -20% +20% ±20% X1 EJ Through Hole 30.5mm 19mm 12.1mm 30.5 x 12.1 x 19mm
RS Stock No. 210-471
Mfr. Part No.PME271M533MR30
BrandKEMET
HK$12.584
Each (In a Pack of 5)
units
33 nF 275 V ac PME271M 15.2mm -20% +20% ±20% X2 - Through Hole 18.5mm 12.5mm 6mm 18.5 x 6 x 12.5mm
RS Stock No. 173-5020
Mfr. Part No.PME271MD6330KR30
BrandKEMET
HK$20.79
Each (In a Bag of 100)
units
330 nF 275 V ac PME271M 22.5mm -10% +10% ±10% X2 - Through Hole 27mm 22mm 12mm 27 x 12 x 22mm
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