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

153070 Products showing for Passive Components

2255 of 999+
EPCOS Thermistor, 2.5Ω Resistance, NTC Type, 21 x 7mm
  • RS Stock No. 211-8024P
  • Mfr. Part No. B57364S0259M000
Each (Supplied in a Box)
£1.57
EPCOS, CT Multilayer Varistor 1nF 1A, Clamping 30V, Varistor 15V, 1206 (3216M)
  • RS Stock No. 703-1698P
  • Mfr. Part No. B72520T0080L062
Each (Supplied on a Reel)
£0.359
KEMET 10μF Multilayer Ceramic Capacitor MLCC, 10V dc V, ±5% , SMD
  • RS Stock No. 152-6096P
  • Mfr. Part No. C0805C106J8RACAUTO
Each (Supplied on a Reel)
£0.315
Nichicon 220μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - UVR1H221MPD
  • RS Stock No. 520-1012
  • Mfr. Part No. UVR1H221MPD
Each (In a Pack of 25)
£0.231
EPCOS B32529 Polyester Film Capacitor, 40 V ac, 63 V dc, ±5%, 150nF, Through Hole
  • RS Stock No. 334-215
  • Mfr. Part No. B32529C0154J000
Each (In a Pack of 25)
£0.134
KEMET Ferrite Openable Flat Cable Ferrite, 40 max. wires, Split Core, Inner dims. 56 x 2mm
  • RS Stock No. 169-6763
  • Mfr. Part No. ESD-FPD-40
Each (In a Box of 240)
£3.979
EPCOS B32529 Polyester Film Capacitor, 63 V ac, 100 V dc, ±10%, 22nF, Through Hole
  • RS Stock No. 194-3487
  • Mfr. Part No. B32529C1223K000
Each (In a Box of 2000)
£0.053
EPCOS B32521 Polyester Film Capacitor, 200 V ac, 400 V dc, ±10%, 22nF, Through Hole
  • RS Stock No. 194-3518
  • Mfr. Part No. B32521E6223K000
Each (In a Box of 1000)
£0.132
EPCOS Metal Oxide Varistor 1200A, Clamping 77V
  • RS Stock No. 246-9785P
  • Mfr. Part No. B72540T0300K062
Each (Supplied on a Reel)
£1.10
EPCOS, B84142 600A 1500 V dc, Chassis Mount Power Line Filter, Solder
  • RS Stock No. 280-4928
  • Mfr. Part No. B84142C0600S081
Each
£652.70
TE Connectivity 56Ω 1206 (3216M) Thick Film SMD Resistor ±1% 0.25W - CRG1206F56R
  • RS Stock No. 223-2091P
  • Mfr. Part No. CRG1206F56R
Each (Supplied on a Reel)
£0.029
Nichicon XK Polyester Film Capacitor, 250 V ac, 630 V dc, ±10%, 680nF, Through Hole
  • RS Stock No. 173-3340
  • Mfr. Part No. QXK2J684KTP
Each (In a Box of 100)
£1.195
EPCOS B32671P Polypropylene Film Capacitor, 200 V ac, 630 V dc, ±10%, 68nF, Through Hole
  • RS Stock No. 882-9199
  • Mfr. Part No. B32671P6683K000
Each (In a Pack of 10)
£0.42
EPCOS 4.7 mH Common Mode Choke
  • RS Stock No. 246-9872P
  • Mfr. Part No. B82790C0475N265
Each (Supplied on a Reel)
£1.90
EPCOS B32923 Polypropylene Film Capacitor, 305V ac, ±20%, 1μF, Through Hole
  • RS Stock No. 194-3440
  • Mfr. Part No. B32923H3105M000
Each (In a Box of 450)
£0.568
EPCOS 1000μF Aluminium Electrolytic Capacitor 63V dc, Snap-In - B41505A8108M000
  • RS Stock No. 171-3214
  • Mfr. Part No. B41505A8108M000
Each (In a Box of 160)
£1.76
EPCOS 190 μH -30 → +50% Ferrite Power Line Choke, Max SRF:100kHz, 54A Idc, 1.1mΩ Rdc 300 V ac, B82726S
  • RS Stock No. 871-1382
  • Mfr. Part No. B82726S3543N040
Each
£12.87
EPCOS B32922C Polypropylene Film Capacitor, 305V ac, ±20%, 220nF, Through Hole
  • RS Stock No. 241-6638
  • Mfr. Part No. B32922C3224M189
Each (On a Tape of 10)
£0.206
Schurter, FMBB NEO 12A 250 V ac 50Hz, Screw Mount RFI Filter, Quick Connect, Single Phase
  • RS Stock No. 890-4039
  • Mfr. Part No. 5500.2636.01
Each
£15.10
KEMET 11000μF Aluminium Electrolytic Capacitor 550V dc, Screw Terminal - ALS70A113QT550
  • RS Stock No. 144-3394
  • Mfr. Part No. ALS70A113QT550
Each
£169.18
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