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

154518 Products showing for Passive Components

238 of 999+
TE Connectivity, 120Ω 25W Wire Wound Chassis Mount Resistor HSA25120RJ ±5%
  • RS Stock No. 720-5091
  • Mfr. Part No. HSA25120RJ
Each
£3.82(exc. VAT)
Helmholz GmbH & Co. KG 700-889-ANT12 Stubby WiFi Antenna with N Type Connector, WiFi
  • RS Stock No. 228-136
  • Mfr. Part No. 700-889-ANT12
Each
£75.03(exc. VAT)
Nichicon 220μF Aluminium Electrolytic Capacitor 16V dc, Surface Mount - UUD1C221MCL1GS
  • RS Stock No. 739-3429
  • Mfr. Part No. UUD1C221MCL1GS
Each (In a Pack of 10)
£0.165(exc. VAT)
KEMET LDE Polyethylene Naphthalate Film Capacitor, 100V dc, ±5%, 100nF, Surface Mount
  • RS Stock No. 870-4602
  • Mfr. Part No. LDEEC3100JA5N00
Each (In a Pack of 3000)
£0.36(exc. VAT)
KEMET PHE840 Metallised Polypropylene Film Capacitor, 275V ac, ±20%, 47nF, Through Hole
  • RS Stock No. 414-8370
  • Mfr. Part No. PHE840MB5470MB04R17
Each (In a Pack of 10)
£0.456(exc. VAT)
RS PRO 28mm Black, Grey Potentiometer Knob for 6.4mm Shaft Splined
  • RS Stock No. 259-7017
Each (In a Pack of 5)
£2.072(exc. VAT)
KEMET 15μF MnO2 Tantalum Capacitor 25V dc, T491 Series
  • RS Stock No. 538-2616
  • Mfr. Part No. T491D156K025AT
Each (In a Pack of 10)
£0.538(exc. VAT)
TE Connectivity 1.1kΩ Carbon Film Resistor 0.5W ±5% CFR50J1K1
  • RS Stock No. 132-501
  • Mfr. Part No. CFR50J1K1
Each (In a Pack of 10)
£0.079(exc. VAT)
RS PRO 4700μF Aluminium Electrolytic Capacitor 35V dc, Axial, Through Hole
  • RS Stock No. 707-6717
Each (In a Pack of 2)
£5.495(exc. VAT)
Murata DSS1NB3, Feedthrough Capacitor100V dc, Through Hole
  • RS Stock No. 187-3603
  • Mfr. Part No. DSS1NB32A223Q91A
Each (In a Pack of 10)
£0.383(exc. VAT)
KEMET 39nF Multilayer Ceramic Capacitor MLCC, 200V dc V, ±5% , SMD
  • RS Stock No. 835-4049P
  • Mfr. Part No. C1210C393J2GACAUTO
Each (Supplied on a Reel)
£0.632(exc. VAT)
Rubycon 220μF Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole - 63YXF220M10X20
  • RS Stock No. 191-7943
  • Mfr. Part No. 63YXF220M10X20
Each (In a Pack of 5)
£0.876(exc. VAT)
TE Connectivity Shaft, For Use With Potentiometer
  • RS Stock No. 393-891
  • Mfr. Part No. 5904620101
Each (In a Pack of 5)
£0.766(exc. VAT)
IQD 5MHz Crystal ±20ppm HC-49 2-Pin 11.05 x 4.65 x 13.46mm
  • RS Stock No. 226-1617
  • Mfr. Part No. LFXTAL003118BULK
Each
£0.31(exc. VAT)
TE Connectivity 715Ω Metal Film Resistor 0.25W ±0.1% YR1B715RCC
  • RS Stock No. 754-6878
  • Mfr. Part No. YR1B715RCC
Each (In a Pack of 5)
£0.562(exc. VAT)
100Ω, Through Hole Trimmer Potentiometer 0.5W Top Adjust Bourns, 3386
  • RS Stock No. 522-1167
  • Mfr. Part No. 3386F-1-101TLF
Each
£1.72(exc. VAT)
Eaton 0.47F Supercapacitor -20 → +80% Tolerance 5.5V dc, Through Hole
  • RS Stock No. 180-4296
  • Mfr. Part No. KR-5R5C474-R
Each (In a Pack of 2)
£4.37(exc. VAT)
TE Connectivity CPF 180kΩ, 0805 (2012M) Thin Film SMD Resistor ±0.1% 0.1W
  • RS Stock No. 666-2695
  • Mfr. Part No. CPF0805B180KE
Each (In a Pack of 5)
£0.288(exc. VAT)
RS PRO 8Ω 1W Miniature Speaker 36mm Dia. , 36 (Dia.) x 4.6mm
  • RS Stock No. 756-4611
Each
£3.76(exc. VAT)
TE Connectivity 1kΩ Metal Oxide Resistor 5W ±5% SQMR51K0J
  • RS Stock No. 199-7832
  • Mfr. Part No. SQMR51K0J
Each (In a Pack of 5)
£0.664(exc. VAT)
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