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

154991 Products showing for Passive Components

73 of 999+
Panasonic 4700μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - ECA1EM472
  • RS Stock No. 240-3757
  • Mfr. Part No. ECA1EM472
Each (In a Pack of 5)
£1.394
Vishay 43kΩ Thin Film Resistor 0.6W ±1% MRS25000C4302FCT00
  • RS Stock No. 683-3695
  • Mfr. Part No. MRS25000C4302FCT00
Each (In a Pack of 25)
£0.088
Wurth, WE-UCF Shielded Wire-wound SMD Inductor with a Ferrite Core, 0.68 μH ±30% Sectional Winding 5.5A Idc
  • RS Stock No. 816-4878P
  • Mfr. Part No. 744290121
Each (Supplied on a Reel)
£3.86
Vishay CRCW 220Ω, 0805 (2012M) Thick Film SMD Resistor ±1% 0.5W
  • RS Stock No. 812-3482
  • Mfr. Part No. CRCW0805220RFKEAHP
Each (In a Bag of 25)
£0.052
Panasonic 1500μF Aluminium Electrolytic Capacitor 10V dc, Radial, Through Hole - EEUFR1A152LB
  • RS Stock No. 240-3862
  • Mfr. Part No. EEUFR1A152LB
Each (In a Pack of 10)
£0.299
Sifam 29.5mm Black Potentiometer Knob for 6.35mm Shaft Splined, S290250-BLK
  • RS Stock No. 225-748
  • Mfr. Part No. S290250-BLK
Each (In a Pack of 10)
£4.334
KEMET C44P-R Metallised Polypropylene Film Capacitor, 1 kV dc, 440 V ac, ±5%, 100μF, Stud Mount
  • RS Stock No. 182-9065
  • Mfr. Part No. C44PKGR6100RBSJ
Each
£49.98
Eaton RMQ-Titan 100kΩ Rotary Potentiometer Screw Terminal, 229493 M22-R100K
  • RS Stock No. 620-6052
  • Mfr. Part No. 229493 M22-R100K
Each
£72.99
KEMET R71 Metallised Polypropylene Film Capacitor, 1 kV dc, 275 V ac, ±10%, 1μF, Through Hole
  • RS Stock No. 171-9160
  • Mfr. Part No. R71QR41004010K
Each (In a Pack of 5)
£1.04
Panasonic, 0402 (1005M) Thick Film Surface Mount Fixed Resistor ±1% 0.1W
  • RS Stock No. 287-595P
  • Mfr. Part No. ERJ2RKF1801X
Each (Supplied on a Reel)
£0.006
RS PRO 5kΩ Rotary Potentiometer 3-Turns 1-Gang Bushing Mount
  • RS Stock No. 278-0312
Each
£19.43
Murata 10μF MLCC, 50V dc V, ±10% , Through Hole
  • RS Stock No. 190-2951
  • Mfr. Part No. RDEC71H106K3P1H03B
Each (In a Pack of 10)
£0.664
TE Connectivity 4.7kΩ Metal Oxide Resistor 1W ±5% ROX1SJ4K7
  • RS Stock No. 214-1232
  • Mfr. Part No. ROX1SJ4K7
Each (In a Pack of 10)
£0.133
TE Connectivity 330kΩ Metal Oxide Resistor 3W ±5% ROX3SJ330K
  • RS Stock No. 214-3092
  • Mfr. Part No. ROX3SJ330K
Each (In a Pack of 10)
£0.203
RS PRO 75kΩ, 0805 (2012M) Thick Film SMD Resistor ±1% 0.125W
  • RS Stock No. 804-6600
Each (On a Reel of 5000)
£0.004
RS PRO 22μF Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole
  • RS Stock No. 711-1576
Each (In a Pack of 100)
£0.087
RS PRO 3.3kΩ Carbon Film Resistor 0.25W ±5%
  • RS Stock No. 707-7701
Each (In a Pack of 10)
£0.109
Arcol, 33Ω 25W Wire Wound Chassis Mount Resistor HS25 33R J ±5%
  • RS Stock No. 160-764
  • Mfr. Part No. HS25 33R J
Each
£7.51
Vishay 470Ω Metal Film Resistor 3W ±5% PR03000204700JAC00
  • RS Stock No. 683-5871P
  • Mfr. Part No. PR03000204700JAC00
Each (Supplied as a Tape)
£0.318
Panasonic 47μF Aluminium Electrolytic Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole - ECA1JHG470
  • RS Stock No. 365-4357
  • Mfr. Part No. ECA1JHG470
Each (In a Pack of 5)
£0.258
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