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

49490 Products showing for Capacitors

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In Stock
KEMET C87 Film Capacitor, ±5 %, 35 μF 450V ac, Chassis Mount
  • RS Stock No. 377-8857
  • Mfr. Part No. C878BF35350SA0J
Subtotal (1 unit)
MYR93.93
MYR93.93/unit
In Stock
TDK B32332 Film Capacitor 25 μF 450V ac 450 V dc, Stud Mount 2
  • RS Stock No. 769-4289
  • Mfr. Part No. B32332I6256J080
Subtotal (1 unit)
MYR72.28
MYR72.28/unit
Last RS stock
KEMET C87 Film Capacitor P2, ±5 %, 3.5 μF 450V ac, Stud Mount
  • RS Stock No. 911-9396
  • Mfr. Part No. C878BF34350SA4J
Subtotal (1 unit)
MYR22.57
MYR22.57/unit
In Stock
TDK 6.8 mF Capacitor 25V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 261-0650
  • Mfr. Part No. B41858C5688M000
Subtotal (1 unit)
MYR15.25
MYR15.25/unit
In Stock
Vishay Single Layer Ceramic Capacitor 10 nF 300V ac ±20 % Y5U Dielectric, VY2, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 736-8928
  • Mfr. Part No. VY2103M63Y5US6TV7
Subtotal (1 pack of 5 units)
MYR15.75
MYR3.15/unit
In Stock
Panasonic 4.7 μF Capacitor 50V dc, Surface Solder - EEEHB1H4R7R
  • RS Stock No. 537-0837
  • Mfr. Part No. EEEHB1H4R7R
Subtotal (1 pack of 5 units)
MYR7.70
MYR1.54/unit
In Stock
RS PRO 10 μF Electrolytic Tantalum Electrolytic Capacitor 35V dc, Through Hole
  • RS Stock No. 181-4673
Subtotal (1 pack of 10 units)
MYR69.93
MYR6.993/unit
New product - Preorder today
Murata 22 pF Multilayer Ceramic Capacitor, 50V dc, 0.05, Surface Mount
  • RS Stock No. 886-938
  • Mfr. Part No. GRM1555C1H220JA01D
Subtotal (1 pack of 10 units)
MYR0.31
MYR0.031/unit
In Stock
Wurth Elektronik WCAP-FTX2 Polypropylene Capacitor X2, ±10 %, 100 nF 275 V dc 275V ac, Through Hole
  • RS Stock No. 871-2401
  • Mfr. Part No. 890324025017CS
Subtotal (1 bag of 10 units)
MYR16.20
MYR1.62/unit
In Stock
RS PRO Single Layer Ceramic Capacitor 10 nF 2kV dc -20 to 80 % Y5V Dielectric, Through Hole 85 °C Max Op. Temp.
  • RS Stock No. 180-5101
Subtotal (1 pack of 50 units)
MYR42.40
MYR0.848/unit
In Stock
RS PRO Film Capacitor, 10 %, 56 nF 330 V dc 330V ac, Through Hole
  • RS Stock No. 630-929
Subtotal (1 pack of 10 units)
MYR6.13
MYR0.613/unit
Temporarily out of stock
TDK B32521 Film Capacitor 1 μF 100V ac 100 V dc, Through Hole 2
  • RS Stock No. 896-1183
  • Mfr. Part No. B32521C1105J000
Subtotal (1 pack of 5 units)
MYR19.29
MYR3.858/unit
Temporarily out of stock
Nichicon 15000 μF Aluminium Electrolytic Capacitor 25V, Surface Through Hole - LLS1E153MELA SMD
  • RS Stock No. 832-145P
  • Mfr. Part No. LLS1E153MELA
Subtotal 2 units (supplied in a tray)
MYR37.64
MYR18.82/unit
In Stock
Panasonic 220 μF Capacitor 25V dc, Radial, Through Hole - ECA1EHG221 Radial Lead
  • RS Stock No. 365-4133
  • Mfr. Part No. ECA1EHG221
Subtotal (1 pack of 5 units)
MYR7.81
MYR1.562/unit
In Stock
KYOCERA AVX 100 μF Electrolytic Tantalum Capacitor 16V dc, Surface, 2917 Series
  • RS Stock No. 136-0062
  • Mfr. Part No. TPSD107K016R0125
Subtotal (1 bag of 10 units)
MYR32.98
MYR3.298/unit
In Stock
Wurth Elektronik 47 μF Capacitor 25V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 839-8796
  • Mfr. Part No. 860040472001
Subtotal (1 pack of 25 units)
MYR13.225
MYR0.529/unit
Temporarily out of stock
KEMET 91 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 146-4200
  • Mfr. Part No. C0603C910J5GACTU
Subtotal (1 reel of 4000 units)
MYR564.00
MYR0.141/unit
Temporarily out of stock
KEMET 100 nF Multilayer Ceramic Capacitor, 50V dc, ±20 %, Through Hole Radial
  • RS Stock No. 538-1449
  • Mfr. Part No. C322C104M5U5TA
Subtotal (1 pack of 5 units)
MYR3.80
MYR0.76/unit
Being discontinued
Rubycon 22 μF Capacitor 500V dc, Radial, Through Hole - 500BXC22MEFC18X20 Radial Lead
  • RS Stock No. 749-7369
  • Mfr. Part No. 500BXC22MEFC18X20
Subtotal (1 unit)
MYR14.06
MYR14.06/unit
In Stock
KEMET C87 Film Capacitor, ±5 %, 15 μF 450V ac, Chassis Mount
  • RS Stock No. 377-8790
  • Mfr. Part No. C878BF35150SA0J
Subtotal (1 unit)
MYR71.41
MYR71.41/unit
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