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

631 of 999+
KEMET 125μF Aluminium Electrolytic Capacitor 260V ac, Snap-In - 125MS26ACMA1STD
  • RS Stock No. 151-1525
  • Mfr. Part No. 125MS26ACMA1STD
Each (In a Box of 72)
£9.258(exc. VAT)
Vishay 22μF Tantalum Capacitor 10V dc
  • RS Stock No. 252-5186
  • Mfr. Part No. 293D226X0010C2TE3
Each (On a Tape of 10)
£0.226(exc. VAT)
Wurth Elektronik Wireless Charging Coil Receiver 1.5A, 10 μH
  • RS Stock No. 258-5763
  • Mfr. Part No. 760308101309
Each
£7.10(exc. VAT)
Panasonic, ETQP3M Shielded Wire-wound SMD Inductor with a Metal Composite Core, 15 μH ±20% 3A Idc
  • RS Stock No. 238-3570
  • Mfr. Part No. ETQP3M150KVN
Each (On a Tape of 10)
£0.366(exc. VAT)
Abracon APARC2504A-SG3 Patch Multi-Band Antenna with IPEX Connector, GPS
  • RS Stock No. 250-5274
  • Mfr. Part No. APARC2504A-SG3
Each
£4.47(exc. VAT)
Panasonic, ETQP3M Shielded Wire-wound SMD Inductor with a Metal Composite Core, 15 μH ±20% 3A Idc
  • RS Stock No. 238-3569
  • Mfr. Part No. ETQP3M150KVN
Each (On a Reel of 2000)
£0.25(exc. VAT)
Nichicon 2200μF Aluminium Electrolytic Capacitor 100V dc, Snap-In - LLS2A222MELA
  • RS Stock No. 846-7136P
  • Mfr. Part No. LLS2A222MELA
Each (Supplied in a Box)
£3.17(exc. VAT)
Vishay 10μF Aluminium Electrolytic Capacitor 63V dc, Radial, Through Hole - MAL203858109E3
  • RS Stock No. 684-2068
  • Mfr. Part No. MAL203858109E3
Each (In a Pack of 5)
£0.134(exc. VAT)
Yageo 1kΩ, 2512 (6432M) Thick Film SMD Resistor ±5% 1 W, 2 W
  • RS Stock No. 198-8564
  • Mfr. Part No. RC2512JK-071KL
Each (On a Tape of 10)
£0.079(exc. VAT)
TE Connectivity 3521 47Ω, 2512 (6432M) Thick Film SMD Resistor ±1% 2W
  • RS Stock No. 755-1154
  • Mfr. Part No. 352147RFT
Each (In a Pack of 10)
£0.427(exc. VAT)
Vishay MBB0207 Series Axial Thin Film Fixed Resistor 100Ω ±1% 0.6W ±50ppm/°C
  • RS Stock No. 477-7681
  • Mfr. Part No. MBB02070C1000FCT00
Each (In a Pack of 50)
£0.059(exc. VAT)
Vishay P16F Linear Potentiometer 1-Gang Panel Mount, P16FNP104MA
  • RS Stock No. 652-945
  • Mfr. Part No. P16FNP104MA
Each
£17.60(exc. VAT)
KEMET 33000μF Aluminium Electrolytic Capacitor 63V dc, Screw Terminal - ALS40A333MF063
  • RS Stock No. 381-9914
  • Mfr. Part No. ALS40A333MF063
Each
£33.52(exc. VAT)
EPCOS, Standard Metal Oxide Varistor 6.25nF 5A, Clamping 36V, Varistor 18V
  • RS Stock No. 289-7525
  • Mfr. Part No. B72210S0110K101
Each (In a Pack of 5)
£0.18(exc. VAT)
RS PRO 220kΩ Metal Film Resistor 1W ±0.5%
  • RS Stock No. 174-3071
Each (In a Pack of 100)
£0.068(exc. VAT)
Arcol, 470Ω 50W Aluminium Chassis Mount Resistor HS50F 470R F ±1%
  • RS Stock No. 185-9972
  • Mfr. Part No. HS50F 470R F
Each
£10.83(exc. VAT)
EPCOS, Standard Metal Oxide Varistor 350pF 50A, Clamping 650V, Varistor 390V
  • RS Stock No. 134-5688
  • Mfr. Part No. B72214S0251K101
Each (In a Bag of 500)
£0.185(exc. VAT)
Murata 10μF Multilayer Ceramic Capacitor MLCC, 100V dc V, SMD
  • RS Stock No. 260-8834
  • Mfr. Part No. GRM32EC72A106KE05K
Each (On a Reel of 4000)
£0.312(exc. VAT)
RS PRO 2kΩ Rotary Potentiometer 10-Turns 1-Gang Bushing Mount
  • RS Stock No. 278-0300
Each
£18.57(exc. VAT)
Ohmite, 100kΩ 50W Wire Wound Chassis Mount Resistor L50J100KE ±5%
  • RS Stock No. 892-5193
  • Mfr. Part No. L50J100KE
Each
£16.01(exc. VAT)
Results per page
1
631
7726

Guides & Articles

Article image
LED Resistor Value Calculator
A calculator designed to help you understand what resistance value you require from your LED resistor, in order to ensure safety for your LED lighting.
Learn more
Article image
Resistors Guide
What are the different types of resistors? Learn more in our comprehensive guide.
Read more
Article image
Potentiometers Guide
Our potentiometers guide will help you understand their uses, how they work, the various types and characteristics.
Read more
Article image
A Guide to Voltage Controlled Oscillators
This guide covers voltage controlled oscillators, explaining what they are, the different types available, and examples of how they fit into a circuit.
Explore VCOs

Related links