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
Multilayer Organic Capacitors
Multilayer Organic Capacitors
Niobium Oxide Capacitors
Niobium Oxide 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

49052 Products showing for Capacitors

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KYOCERA AVX 0.33F Supercapacitor -10 → +30% Tolerance, SCM 7.6V dc, Through Hole
  • RS stock no. 186-2202
  • Mfr. Part No. SCMR14L334SSBB0
Each
R 103.46(exc. VAT)
KEMET 22000μF Aluminium Electrolytic Capacitor 63V dc, Screw Terminal - ALS30A223KE063
  • RS stock no. 381-8595
  • Mfr. Part No. ALS30A223KE063
Each
R 546.87(exc. VAT)
KEMET C4AQ Metallised Polypropylene Film Capacitor, 650V dc, ±5%, 20μF
  • RS stock no. 174-4495
  • Mfr. Part No. C4AQCBW5200A3FJ
Each (In a Pack of 2)
R 92.415(exc. VAT)
Nichicon 100μF Aluminium Electrolytic Capacitor 35V dc, Radial, Through Hole - UPW1V101MPD
  • RS stock no. 715-2745
  • Mfr. Part No. UPW1V101MPD
Each (In a Pack of 10)
R 4.552(exc. VAT)
Rubycon 10μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - 50YXF10M5X11
  • RS stock no. 224-4325
  • Mfr. Part No. 50YXF10M5X11
Each (In a Pack of 5)
R 5.736(exc. VAT)
Nichicon 4700μF Aluminium Electrolytic Capacitor 63V dc, Snap-In - LLS1J472MELA
  • RS stock no. 846-7111
  • Mfr. Part No. LLS1J472MELA
Each
R 69.94(exc. VAT)
Panasonic 100μF Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole - EEUFC1J101L
  • RS stock no. 572-287
  • Mfr. Part No. EEUFC1J101L
Each (In a Pack of 5)
R 8.568(exc. VAT)
RS PRO 1000μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole
  • RS stock no. 711-1150
Each (In a Pack of 10)
R 7.375(exc. VAT)
RS PRO Single Layer Ceramic Capacitor (SLCC) 100nF 50V dc ±10% X7R Dielectric, Through Hole +125°C Max Op. Temp.
  • RS stock no. 180-5103
Each (In a Pack of 125)
R 2.033(exc. VAT)
Ducati Energia 4.16.10 Polypropylene Film Capacitor, 450V ac, ±5%, 20μF, Plug In
  • RS stock no. 135-3590
  • Mfr. Part No. 4.16.10.25.06
Each
R 253.94(exc. VAT)
CHEMI-CON 100μF Aluminium Electrolytic Capacitor 250V dc, Radial, Through Hole - EGXF251ELL101MK40S
  • RS stock no. 251-4880
  • Mfr. Part No. EGXF251ELL101MK40S
Each
R 39.96(exc. VAT)
Vishay 330μF MnO2 Tantalum Capacitor 6.3V dc, 293D Series
  • RS stock no. 684-4109
  • Mfr. Part No. 293D337X96R3D2TE3
Each (In a Pack of 5)
R 38.296(exc. VAT)
RS PRO 6800μF Aluminium Electrolytic Capacitor 63V dc, Snap-In
  • RS stock no. 706-3468
Each
R 84.89(exc. VAT)
Wurth Elektronik WCAP-FTDB Film Capacitor, 900V dc, 5%, 1μF, Through Hole
  • RS stock no. 261-0158
  • Mfr. Part No. 890724427001CS
Each
R 26.39(exc. VAT)
CHEMI-CON 150μF Aluminium Electrolytic Capacitor 450V dc, Snap-In - EKMQ451VSN151MQ30S
  • RS stock no. 841-4716
  • Mfr. Part No. EKMQ451VSN151MQ30S
Each
R 85.69(exc. VAT)
Ducati Energia 4.16.10 Polypropylene Film Capacitor, 450V ac, ±5%, 60μF, Stud Mount
  • RS stock no. 760-0045
  • Mfr. Part No. 4.16.10.61.64
Each
R 606.87(exc. VAT)
CHEMI-CON 270μF Aluminium Electrolytic Capacitor 400V dc, Snap-In - EKMQ401VSN271MQ40S
  • RS stock no. 841-4703
  • Mfr. Part No. EKMQ401VSN271MQ40S
Each
R 84.51(exc. VAT)
KEMET C87 Polypropylene Film Capacitor, 470V ac, ±5%, 60μF
  • RS stock no. 911-9425
  • Mfr. Part No. C878BG35600SA0J
Each
R 390.15(exc. VAT)
Nichicon 4.7μF Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole - UPW1J4R7MDD
  • RS stock no. 715-2906
  • Mfr. Part No. UPW1J4R7MDD
Each (In a Pack of 10)
R 3.682(exc. VAT)
RS PRO 3300μF Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole
  • RS stock no. 711-1659
Each (In a Pack of 2)
R 62.60(exc. VAT)
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