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Passive Components

A passive component is a module that does not require energy to operate, except for the available alternating current (AC) circuit that it is connected to. A passive module is not capable of power gain and is not a source of energy. A typical passive component would be: resistors, inductors, capacitors and transformers which together are required to build any electrical or electronic circuit.

Passive devices can be used individually or connected together within a circuit, either in a series or in a parallel combination to control complex circuits or signals.

Types of Passive Components

  • Capacitors

A capacitor is a component that can gather and hold a charge in a way that is similar to how a battery functions. The capacitor is made of 2 close conductors (usually plates) that are separated by a dielectric material. The plates accumulate electric charge when connected to power source. One plate accumulates positive charge and the other plate accumulates negative charge. It can hold the charge even when the voltage is no longer applied. Different types of capacitors are film capacitors, mica capacitors, ceramic capacitors, electrolytic capacitors, aluminium electrolytic capacitors, tantalum electrolytic capacitors and power factor correction capacitors

  • Resistors

A Resistor is an electrical device that resists the flow of electrical current. Although a resistor does not amplify or shape the electric current in any way its a powerful little device as it enables you to put the brakes on current flow in a very controlled way

  • Inductors

An inductor is a passive device that can store or deliver energy but cannot generate it. An ideal inductor is lossless, meaning that it can store energy indefinitely as no energy is lost as heat. Inductors are sometimes known as coils, chokes, electromagnets and solenoids

  • Ferrite Cores

A ferrite core is a ceramic compound that includes a mix of iron and another type of metal. Ferrite is common in many types of electrical components, including antennas. This magnetic core features wound components, such as windings from a transformer and inductors. It is useful because it offers low electrical conductivity along with high magnetic permeability.

  • Surge Protection Components

Surge protectors are a part of nearly every home and office today. They provide your expensive electronic devices with added protection against surges of electricity, which would ultimately destroy them.

Antennas
Antennas
Capacitors
Capacitors
Crystals, Oscillators & Resonators
Crystals, Oscillators & Resonators
EMI Filters & Protection
EMI Filters & Protection
Fixed Resistors
Fixed Resistors
Inductors
Inductors
Passive Components Kits
Passive Components Kits
Rotary Encoders
Rotary Encoders
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
Surge Protection Components
Surge Protection Components
Variable Resistors
Variable Resistors

169065 Products showing for Passive Components

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149 of 999+
In Stock
Panasonic 120 μF Capacitor 35V dc, Radial Radial Lead
  • RS Stock No. 572-259P
  • Mfr. Part No. EEUFC1V121
Subtotal 5 units (supplied in a bag)
£2.40(exc. VAT)
£0.48/unit
In Stock
Wurth Elektronik, WE-CNSW HF, 0504 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 170 nH Dual ±25 % 500
  • RS Stock No. 816-4916
  • Mfr. Part No. 7442335900
Subtotal (1 unit)
£1.25(exc. VAT)
£1.25/unit
In Stock
TDK 4.7 μF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 788-3041P
  • Mfr. Part No. C2012X5R1H475K125AB
Subtotal 10 units (supplied on a continuous strip)
£1.67(exc. VAT)
£0.167/unit
In Stock
Murata 100 nF Multilayer Ceramic Capacitor, 100V dc, 10 %, Surface
  • RS Stock No. 247-8075
  • Mfr. Part No. GRM188R72A104KA35D
Subtotal (1 tape of 20 units)
£1.48(exc. VAT)
£0.074/unit
In Stock
RS PRO 220 kΩ Metal Film Resistor 1 W 0.5 %
  • RS Stock No. 174-3071
Subtotal (1 pack of 100 units)
£6.80(exc. VAT)
£0.068/unit
Being discontinued
Nichicon 4.7 μF Capacitor 35V dc, Surface Solder - UWT1V4R7MCL1GB
  • RS Stock No. 243-7351
  • Mfr. Part No. UWT1V4R7MCL1GB
Subtotal (1 tape of 10 units)
£1.28(exc. VAT)
£0.128/unit
In Stock
KYOCERA AVX 10 μF Electrolytic Tantalum Capacitor 35V dc, Through Hole, Tap Series
  • RS Stock No. 134-9877P
  • Mfr. Part No. TAP106M035SCS
Subtotal 10 units (supplied in a bag)
£6.24(exc. VAT)
£0.624/unit
In Stock
KEMET 33 μF MnO2 Tantalum Capacitor 16V dc, Surface, T491 Series
  • RS Stock No. 538-2644P
  • Mfr. Part No. T491D336K016AT
Subtotal 10 units (supplied on a continuous strip)
£7.08(exc. VAT)
£0.708/unit
In Stock
Arcol HS25 18R J, 18 Ω 25 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 160-742
  • Mfr. Part No. HS25 18R J
Subtotal (1 unit)
£3.19(exc. VAT)
£3.19/unit
Currently unavailable
WIMA MKS4 Film Capacitor 2.2 μF 63V ac 100 V dc, Through Hole
  • RS Stock No. 108-3012
  • Mfr. Part No. MKS4D042204F00KSSD
Subtotal (1 pack of 5 units)
£6.11(exc. VAT)
£1.222/unit
In Stock
Wurth Elektronik 0.48 μH 280 mA Common Mode Filter 0.45 mΩ 50V
  • RS Stock No. 500-3026
  • Mfr. Part No. 744231371
Subtotal (1 pack of 5 units)
£4.13(exc. VAT)
£0.826/unit
Last RS stock
Rubycon 330 μF Capacitor 35V dc, Radial, Through Hole - 35ZLJ330M8X20 PC Pin
  • RS Stock No. 725-8972
  • Mfr. Part No. 35ZLJ330M8X20
Subtotal (1 pack of 5 units)
£2.67(exc. VAT)
£0.534/unit
Temporarily out of stock
Bourns 91 100 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, 91A1A-B28-B20L
  • RS Stock No. 692-8676
  • Mfr. Part No. 91A1A-B28-B20L
Subtotal (1 unit)
£5.82(exc. VAT)
£5.82/unit
In Stock
KEMET 100 nF Multilayer Ceramic Capacitor, 100V dc, ±10 %, Through Hole Radial
  • RS Stock No. 538-1427P
  • Mfr. Part No. C322C104K1R5TA
Subtotal 5 units (supplied in a bag)
£3.12(exc. VAT)
£0.624/unit
In Stock
Vishay MKP1848e Film Capacitor, ±10 %, 3 μF 500 V dc 500V ac, Through Hole
  • RS Stock No. 653-667
  • Mfr. Part No. MKP1848e53050KI2
Subtotal (1 unit)
£1.29(exc. VAT)
£1.29/unit
In Stock
Vishay Single Layer Ceramic Capacitor 1 nF 20kV dc ±20 % N4700 Dielectric, 715C, Screw 85 °C Max Op. Temp.
  • RS Stock No. 210-1565
  • Mfr. Part No. 715C20KTD10
Subtotal (1 unit)
£42.12(exc. VAT)
£42.12/unit
Last RS stock
TE Connectivity 3520 100 kΩ, 2512 Thick Film Surface Mount Resistor ±5 % Surface 1 W - 3520100KJT
  • RS Stock No. 224-0503
  • Mfr. Part No. 3520100KJT
Subtotal (1 pack of 10 units)
£1.47(exc. VAT)
£0.147/unit
In Stock
Wurth Elektronik 10 μF Capacitor 50V dc, Radial, Through Hole - 860130673001 Radial Lead
  • RS Stock No. 839-4886
  • Mfr. Part No. 860130673001
Subtotal (1 bag of 25 units)
£3.10(exc. VAT)
£0.124/unit
Limited stock
Panasonic ERA 120 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % 0.1 W - ERA3AEB124V
  • RS Stock No. 566-373
  • Mfr. Part No. ERA3AEB124V
Subtotal (1 pack of 5 units)
£0.38(exc. VAT)
£0.076/unit
In Stock
Yageo RC 10 mΩ, 1206 Thick Film Surface Mount Fixed Resistor ±1 % 0.25 W - RC1206FR-0710ML
  • RS Stock No. 242-7139
  • Mfr. Part No. RC1206FR-0710ML
Subtotal (1 tape of 100 units)
£1.20(exc. VAT)
£0.012/unit
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