Polypropylene Film Capacitors

Polypropylene film capacitors are a commoncapacitor used in electrical equipment. They are made of two pieces of thin plastic film, charged with electrodes as the dielectric. They can replace electrolytic capacitors in applications where the voltage is above 500V.

Types of polypropylene film capacitors

There are two main formats of polypropylene film capacitors. They're distinguished by the type of dielectric (insulating) material used. Firstly, film foil has two metal foil electrodes separated with two plastic films. Whereas metallised film has two very thin layers of metallisation, with plastic film as the dielectric. To get the desired electrical characteristics you need, such as stability or ability to withstand high voltage, you can choose different film materials for the dielectric layer.

What are polypropylene film capacitors used for?

Because of their high tolerance and voltage resistance, polypropylene film capacitors are used in a wide range of electric applications. These include switching power supplies, high voltage circuit applications, lighting ballast systems and circuits with high peak current levels.


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Description Price Capacitance Voltage Mounting Type Tolerance Series Application Automotive Standard Lead Pitch Suppression Class Length Depth Height Dimensions Dielectric
RS Stock No. 172-8201
Mfr. Part No.4.16.10.70.64
£6.05
Each (In a Box of 100)
Units
30 µF 450 V ac Stud Mount ±5% 4.16.10 - - - - - - 92mm 40 (Dia.) x 92mm PP
RS Stock No. 388-8049
Mfr. Part No.4.16.10.70.64
£12.50
Each
Units
30 µF 450 V ac Stud Mount ±5% 4.16.10 - - - - - - 92mm 40 (Dia.) x 92mm PP
RS Stock No. 172-8198
Mfr. Part No.4.16.10.25.14
£6.089
Each (In a Box of 100)
Units
20 µF 400 → 500V dc Stud Mount ±5% 4.16.10 Consumer Electronics - - - - - 70mm 40 (Dia.) x 70mm PP
RS Stock No. 172-8203
Mfr. Part No.4.16.10.29.64
£10.69
Each (In a Box of 50)
Units
40 µF 450 V ac Stud Mount ±5% 4.16.10 - - - - - - 92mm 45 (Dia.) x 92mm PP
RS Stock No. 388-8061
Mfr. Part No.4.16.10.29.64
£16.20
Each
Units
40 µF 450 V ac Stud Mount ±5% 4.16.10 - - - - - - 92mm 45 (Dia.) x 92mm PP
RS Stock No. 388-7759
Mfr. Part No.4.16.10.25.14
£10.94
Each
Units
20 µF 400 to 500 V dc Stud Mount ±5% 4.16.10 Consumer Electronics - - - - - 70mm 40 (Dia.) x 70mm PP
RS Stock No. 172-8190
Mfr. Part No.4.16.10.15.64
£3.756
Each (In a Box of 125)
Units
10 µF 450 V ac Plug In ±5% 4.16.10 - - - - - - 58mm 36 (Dia.) x 58mm PP
RS Stock No. 388-7973
Mfr. Part No.4.16.10.15.64
£6.56
Each
Units
10 µF 450 V ac Plug In ±5% 4.16.10 - - - - - - 58mm 36 (Dia.) x 58mm PP
RS Stock No. 172-8199
Mfr. Part No.4.16.10.26.64
£6.956
Each (In a Box of 100)
Units
25 µF 450 V ac Stud Mount ±5% 4.16.10 - - - - - - 92mm 40 (Dia.) x 92mm PP
RS Stock No. 388-8033
Mfr. Part No.4.16.10.26.64
£12.41
Each
Units
25 µF 450 V ac Stud Mount ±5% 4.16.10 - - - - - - 92mm 40 (Dia.) x 92mm PP
RS Stock No. 172-6800
Mfr. Part No.C274ACF4600WA0J
BrandKEMET
£4.281
Each (In a Bag of 86)
Units
6 µF 470 V ac Chassis Mount ±5% C27 Air Fan, Circulator, Electric Motor, Pump - - - - - 57mm 35 (Dia.) x 57mm Metallized Polypropylene
RS Stock No. 377-9052
Mfr. Part No.C274ACF4600WA0J
BrandKEMET
£4.91
Each
Units
6 µF 470 V ac Chassis Mount ±5% C27 Air Fan, Circulator, Electric Motor, Pump - - - - - 57mm 35 (Dia.) x 57mm Metallized Polypropylene
RS Stock No. 172-8200
Mfr. Part No.4.16.10.26.14
£7.952
Each (In a Box of 50)
Units
25 µF 400 → 500V dc Stud Mount ±5% 4.16.10 - - - - - - 92mm 40 (Dia.) x 92mm PP
RS Stock No. 388-7771
Mfr. Part No.4.16.10.26.14
£12.12
Each
Units
25 µF 400 to 500 V dc Stud Mount ±5% 4.16.10 - - - - - - 92mm 40 (Dia.) x 92mm PP
RS Stock No. 388-7686
Mfr. Part No.4.16.10.06.14
£4.82
Each
Units
4 µF 400 to 500 V dc, 425 to 475 V dc Stud Mount ±5% 4.16.10 Consumer Electronics - - - - - 55mm 28 (Dia.) x 55mm PP
RS Stock No. 172-8186
Mfr. Part No.4.16.10.06.14
£2.578
Each (In a Box of 125)
Units
4 µF 400 → 500 V dc, 425 → 475 V dc Stud Mount ±5% 4.16.10 Consumer Electronics - - - - - 55mm 28 (Dia.) x 55mm PP
RS Stock No. 172-8189
Mfr. Part No.4.16.10.13.14
£3.511
Each (In a Box of 100)
Units
8 µF 400 → 500V dc Stud Mount ±5% 4.16.10 - - - - - - 55mm 32 (Dia.) x 55mm PP
RS Stock No. 388-7709
Mfr. Part No.4.16.10.13.14
£7.58
Each
Units
8 µF 400 to 500 V dc Stud Mount ±5% 4.16.10 - - - - - - 55mm 32 (Dia.) x 55mm PP
RS Stock No. 451-5354
Mfr. Part No.C3B2AD44400B20K
BrandKEMET
£3.67
Each
Units
4 µF 250 V ac Cable Mount ±10% C3B AC Lighting - - - 58mm - - 25 (Dia.) x 58mm PLYP
RS Stock No. 173-4191
Mfr. Part No.C3B2AD44400B20K
BrandKEMET
£2.741
Each (In a Bag of 162)
Units
4 µF 250 V ac Cable Mount ±10% C3B AC Lighting - - - 58mm - - 25 (Dia.) x 58mm PLYP