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

154744 Products showing for Passive Components

2325 of 999+
Caddock 5Ω Power Film Resistor 50W ±1% MP850-5R--1%
  • RS Stock No. 164-6641
  • Mfr. Part No. MP850-5R--1%
Each
£11.04
Bourns 50kΩ Precision Precision Potentiometer 10-Turns 1-Gang, 3590S-1-503L
  • RS Stock No. 233-0738
  • Mfr. Part No. 3590S-1-503L
Each (In a Tray of 10)
£13.761
Ferrite SMD 600mA 0.15 Ohm 0805
  • RS Stock No. 485-887
  • Mfr. Part No. 7427920
Each (On a Tape of 10)
£0.116
Vishay MKT 1822 Polyester Film Capacitor, 200 V ac, 400 V dc, ±10%, 10nF, Through Hole
  • RS Stock No. 173-3667
  • Mfr. Part No. MKT1822310405
Each (In a Bag of 1500)
£0.337
Murata 4.7μF Multilayer Ceramic Capacitor MLCC, 25V dc V, ±10% , SMD
  • RS Stock No. 723-5070
  • Mfr. Part No. GCM31CR71E475KA55L
Each (In a Pack of 25)
£0.191
KEMET R58 Film Capacitor, 600V ac, 10%, 27nF
  • RS Stock No. 262-2095
  • Mfr. Part No. R586I227050T0K
Each (In a Pack of 5)
£0.792
Vishay MKT 1822 Polyester Film Capacitor, 200 V ac, 400 V dc, ±10%, 10nF, Through Hole
  • RS Stock No. 117-707
  • Mfr. Part No. MKT1822310405
Each (In a Pack of 10)
£0.472
Wurth, WE-MI, 1206 (3216M) Unshielded Multilayer Surface Mount Inductor with a Ferrite Core, 4.7 μH ±10% Multilayer
  • RS Stock No. 163-3382
  • Mfr. Part No. 7447916
Each (On a Reel of 3000)
£0.222
TE Connectivity 150Ω Wire Wound Resistor 11W ±5% SBCHE11150RJ
  • RS Stock No. 206-1401
  • Mfr. Part No. SBCHE11150RJ
Each (In a Pack of 5)
£1.412
Abracon Common Mode Choke
  • RS Stock No. 240-3532
  • Mfr. Part No. ACM-21-900M-T
Each (In a Pack of 50)
£0.242
5kΩ, SMD Trimmer Potentiometer 0.25W Top Adjust Bourns, 3224
  • RS Stock No. 167-0115
  • Mfr. Part No. 3224X-1-502E
Each (On a Reel of 200)
£2.235
Wurth Elektronik 10 μH 5 A Common Mode Choke
  • RS Stock No. 296-212
  • Mfr. Part No. 744711005
Each (In a Bag of 5)
£1.308
Wurth Elektronik 470μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - 860010675020
  • RS Stock No. 839-7096P
  • Mfr. Part No. 860010675020
Each (Supplied as a Tape)
£0.632
TE Connectivity CRG 1.8kΩ, 1206 (3216M) Thick Film SMD Resistor ±1% 0.25W
  • RS Stock No. 223-2293
  • Mfr. Part No. CRG1206F1K8
Each (In a Pack of 50)
£0.024
Yageo 20kΩ, 0402 (1005M) Thick Film SMD Resistor ±1% 0.0625W
  • RS Stock No. 198-7694P
  • Mfr. Part No. RC0402FR-0720KL
Each (Supplied on a Reel)
£0.004
Vishay 100μF MnO2 Tantalum Capacitor 16V dc, TR3 Series
  • RS Stock No. 173-3742
  • Mfr. Part No. TR3D107K016C0100
Each (On a Reel of 500)
£0.353
Microchip 125MHz MEMS Oscillator, 6-Pin VDFN, ±20ppm ±20ppm, DSA1221NA3-125M0000VAO
  • RS Stock No. 631-213
  • Mfr. Part No. DSA1221NA3-125M0000VAO
Each (In a Box of 450)
£1.533
KEMET R75 Metallised Polypropylene Film Capacitor, 1 kV dc, 250 V ac, ±5%, 100nF, Through Hole
  • RS Stock No. 875-2147
  • Mfr. Part No. R75QN31004000J
Each (In a Pack of 10)
£0.439
TE Connectivity 21kΩ, 1206 (3216M) Thin Film SMD Resistor ±1% 2W
  • RS Stock No. 252-7585
  • Mfr. Part No. 3503G2B21KFTDF
Each
£1.36
Vishay 157 Precision Potentiometer 1-Gang Bushing Mount, 157B103MX
  • RS Stock No. 653-056
  • Mfr. Part No. 157B103MX
Each
£19.22
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