Capacitors

Capacitors are passive electrical components found in almost all electronics applications. Our range includes over 60,000 different capacitors including aluminium, tantalum, polymer, polyester film and ceramic capacitors. We source from globally renowned manufacturers AVX, Murata, KEMET, Panasonic, TDK and many more, so that you can rely on performance.

What is a capacitor and what does it do?

A capacitor is a device used to store energy as an electric charge, similar to a battery but they are able to release the charge much faster. The amount it's able to store is known as capacitance, this is measured in Farads (F). They comprise 2 metal plates (conductors) separated by an electrical insulator (dielectric).

What capacitor types are available?

There are many different types available with detailed specifications for their required function. The main elements are available in varying materials and these determine many properties of the capacitor. Some factors to consider are:

  • Metal plate material - e.g silver, tantalum, aluminium
  • Dielectric plate material - paper, film, ceramic, glass
  • Max voltage - cannot be exceeded or the device will break
  • Size - capacitance and dimensions
  • Tolerance - variance on the capacitance value
  • Mounting type - how it is fixed to the circuit
  • ESR (Equivalent series resistance) - resistance of the terminals

Applications of capacitors

Capacitors are found all around us, they are used in most electronics from fans to hybrid electric cars - there are over 500 just in a typical smartphone. Here are some of their uses:

  • Decoupling capacitors - can control high-frequency noise, removing voltage ripples from the power supply.
  • Energy storage and supply - deliver stored energy bursts quickly, like a camera flash for example.
  • Signal filtering - they are able to block low-frequency signals and allow higher-frequencies to pass through. Useful in telecommunications.
Aluminium Capacitors
Aluminium Capacitors
Array Capacitors
Array Capacitors
Capacitors Accessories
Capacitors Accessories
Feedthrough Capacitors
Feedthrough Capacitors
Film Capacitors
Film Capacitors
MLCCs - Multilayer Ceramic Capacitors
MLCCs - Multilayer Ceramic Capacitors
Mica Capacitors
Mica Capacitors
Polymer Capacitors
Polymer Capacitors
Power Factor Correction Capacitors
Power Factor Correction Capacitors
Single Layer Ceramic Capacitors
Single Layer Ceramic Capacitors
Supercapacitors
Supercapacitors
Tantalum Capacitors
Tantalum Capacitors
Variable Trimmer Capacitors
Variable Trimmer Capacitors

44231 Products showing for Capacitors

1 of 999+
In Stock
RS PRO 100μF Electrolytic Tantalum Electrolytic Capacitor 25V dc
  • RS Stock No. 181-4628
Each (In a Pack of 2)
SGD5.865(exc. GST)
In Stock
CHEMI-CON 470μF Aluminium Electrolytic Capacitor 450V dc, Snap-In - EKMQ451VSN471MA45S
  • RS Stock No. 841-4753
  • Mfr. Part No. EKMQ451VSN471MA45S
Each
SGD13.99(exc. GST)
Being discontinued
Nichicon 4.7μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - UFG1H4R7MDM
  • RS Stock No. 602-2618
  • Mfr. Part No. UFG1H4R7MDM
Each (In a Pack of 5)
SGD0.096(exc. GST)
In Stock
Panasonic 4.7μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - EEAGA1H4R7
  • RS Stock No. 414-9171
  • Mfr. Part No. EEAGA1H4R7
Each (In a Pack of 25)
SGD0.222(exc. GST)
Last RS stock
Rubycon 22μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - 50YXF22MEFCT15X11
  • RS Stock No. 703-8144
  • Mfr. Part No. 50YXF22MEFCT15X11
Each (In a Pack of 50)
SGD0.139(exc. GST)
In Stock
Vishay 120μF Aluminium Electrolytic Capacitor 400V dc, Snap-In - MAL215956121E3
  • RS Stock No. 280-6803
  • Mfr. Part No. MAL215956121E3
Each
SGD10.86(exc. GST)
In Stock
Nichicon 2200μF Aluminium Electrolytic Capacitor 16V dc, Radial, Through Hole - UVZ1C222MHD
  • RS Stock No. 845-4648
  • Mfr. Part No. UVZ1C222MHD
Each (In a Pack of 10)
SGD0.741(exc. GST)
In Stock
Panasonic 4.7μF Aluminium Electrolytic Capacitor 35V dc, Radial, Through Hole - ECEA1VKS4R7
  • RS Stock No. 116-903
  • Mfr. Part No. ECEA1VKS4R7
Each (In a Pack of 5)
SGD0.336(exc. GST)
In Stock
Panasonic 22μF Aluminium Electrolytic Aluminium Electrolytic Capacitor 35V dc, Radial, Through Hole - EEUFC1V220
  • RS Stock No. 571-975
  • Mfr. Part No. EEUFC1V220
Each (In a Pack of 5)
SGD0.32(exc. GST)
In Stock
KEMET 10μF MnO2 Tantalum Capacitor 35V dc, T491 Series
  • RS Stock No. 801-5524
  • Mfr. Part No. T491D106M035AT
Each (In a Pack of 10)
SGD0.807(exc. GST)
In Stock
KEMET 10μF MnO2 Tantalum Capacitor 35V dc, T494 Series
  • RS Stock No. 538-2852
  • Mfr. Part No. T494D106K035AT
Each (In a Pack of 10)
SGD1.711(exc. GST)
In Stock
Panasonic 10000μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - EEUHD1E103
  • RS Stock No. 744-2060
  • Mfr. Part No. EEUHD1E103
Each
SGD5.90(exc. GST)
In Stock
RS PRO 3300μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole
  • RS Stock No. 711-1523
Each (In a Pack of 2)
SGD3.045(exc. GST)
In Stock
RS PRO 10000μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole
  • RS Stock No. 711-1214
Each (In a Pack of 2)
SGD3.525(exc. GST)
In Stock
KEMET 100nF Multilayer Ceramic Capacitor MLCC, 100V dc V, ±10% , Through Hole
  • RS Stock No. 801-5404
  • Mfr. Part No. C320C104K1R5TA
Each (In a Pack of 25)
SGD0.261(exc. GST)
Limited stock
Ducati Energia 4.16.10 Polypropylene Film Capacitor, 400 → 500V ac, ±5%, 4μF, Stud Mount
  • RS Stock No. 388-7686
  • Mfr. Part No. 4.16.10.06.14
Each
SGD13.53(exc. GST)
In Stock
Nichicon 4.7μF Aluminium Electrolytic Capacitor 25V dc, Surface Mount - UWT1E4R7MCL1GB
  • RS Stock No. 523-3069
  • Mfr. Part No. UWT1E4R7MCL1GB
Each (In a Pack of 10)
SGD0.169(exc. GST)
In Stock
KEMET 0.47F Supercapacitor -20 → +80% Tolerance, Supercap FT 5.5V dc, Through Hole
  • RS Stock No. 789-7980
  • Mfr. Part No. FT0H474ZF
Each
SGD4.84(exc. GST)
Temporarily out of stock
KEMET PME271 Paper Capacitor, 300V ac, ±10%, 220nF, Through Hole
  • RS Stock No. 173-1851
  • Mfr. Part No. PME271E622KR30
Each (In a Bag of 100)
SGD4.223(exc. GST)
In Stock
Murata 10μF MLCC, 10V dc V, SMD
  • RS Stock No. 247-8118
  • Mfr. Part No. GRM21BR71A106KA73K
Each (On a Tape of 50)
SGD0.071(exc. GST)
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