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

154521 Products showing for Passive Components

1125 of 999+
KYOCERA AVX 330nF MLCC, 50V dc V, SMD
  • RS Stock No. 136-7624
  • Mfr. Part No. 12065C334KAT2A
Each (In a Bag of 50)
£0.216(exc. VAT)
EPCOS 100 mH -30 → +50% Ferrite Power Line Choke, Max SRF:10kHz, 350mA Idc, 4.5Ω Rdc 250 V ac, B82731M
  • RS Stock No. 167-0382
  • Mfr. Part No. B82731M2351A030
Each (In a Box of 800)
£1.028(exc. VAT)
Vishay 6.8μF MnO2 Tantalum Capacitor 35V dc, 593D Series
  • RS Stock No. 170-8568
  • Mfr. Part No. 593D685X9035C2TE3
Each (On a Reel of 500)
£0.395(exc. VAT)
Murata 3pF MLCC, 50V dc V, ±0.1pF , SMD
  • RS Stock No. 185-1754P
  • Mfr. Part No. GRM0335C1H3R0BA01D
Each (Supplied on a Reel)
£0.004(exc. VAT)
TDK, VLS-EX-H, 5045 Shielded Wire-wound SMD Inductor with a Ferrite Core, 10 μH ±20% Shielded 3.1A Idc
  • RS Stock No. 211-9531
  • Mfr. Part No. VLS5045EX-100M-H
Each (On a Reel of 1500)
£0.152(exc. VAT)
RF Solutions ANT-GFPCB2452-UFL Patch Omnidirectional GSM Antenna with UFL Connector, 4G (LTE)
  • RS Stock No. 206-4779
  • Mfr. Part No. ANT-GFPCB2452-UFL
Each
£5.10(exc. VAT)
Wurth Elektronik 10pF Multilayer Ceramic Capacitor MLCC, 25V dc V, SMD
  • RS Stock No. 242-1069
  • Mfr. Part No. 885012007028
Each (On a Reel of 4000)
£0.018(exc. VAT)
Murata Ferrite Bead (Chip Ferrite Bead), 1.6 x 0.8 x 0.8mm (0603 (1608M)), 120Ω impedance at 100 MHz
  • RS Stock No. 166-9722
  • Mfr. Part No. BLM18RK121SN1D
Each (On a Reel of 4000)
£0.008(exc. VAT)
Vishay 4.7nF Multilayer Ceramic Capacitor MLCC, 50V dc V, ±10% , SMD
  • RS Stock No. 272-7970P
  • Mfr. Part No. VJ2220Y472KXUSTX1
Each (Supplied on a Reel)
£2.25(exc. VAT)
Murata 8.2pF MLCC, 50V dc V, ±0.1pF , SMD
  • RS Stock No. 185-1564
  • Mfr. Part No. GRM0335C1H8R2BA01D
Each (On a Reel of 15000)
£0.001(exc. VAT)
Wurth 0.066 μH ±20% Power Inductor, Max SRF:457MHz, Q:245, 32A Idc, 0.99mΩ Rdc, WE-AC HC
  • RS Stock No. 168-3220P
  • Mfr. Part No. 7449152066
Each (Supplied on a Reel)
£1.73(exc. VAT)
KYOCERA AVX, VGAH Varistor 700pF, Clamping 65V, Varistor 39V, 1206 (3216M)
  • RS Stock No. 187-6559
  • Mfr. Part No. VGAH120631M650DP
Each (In a Pack of 20)
£0.633(exc. VAT)
Panasonic 6800μF Aluminium Electrolytic Capacitor 6.3V dc, Surface Mount - EEEFK0J682AM
  • RS Stock No. 172-3824
  • Mfr. Part No. EEEFK0J682AM
Each (On a Reel of 125)
£1.064(exc. VAT)
EPCOS, HighE Varistor 2.3nF 300A, Clamping 840V, Varistor 510V
  • RS Stock No. 291-3504P
  • Mfr. Part No. B72240B0321K001
Each (Supplied in a Bag)
£23.02(exc. VAT)
Murata 470nF Multilayer Ceramic Capacitor MLCC, 25V dc V, ±10% , SMD
  • RS Stock No. 723-4985
  • Mfr. Part No. GCM188R71E474KA64D
Each (In a Pack of 100)
£0.041(exc. VAT)
Vishay, 330Ω 12.5W Wire Wound Chassis Mount Resistor RH010330R0FE02 ±1%
  • RS Stock No. 167-9922
  • Mfr. Part No. RH010330R0FE02
Each (In a Box of 10)
£4.81(exc. VAT)
Abracon ACAG1204-915-T PCB Omnidirectional Telemetry Antenna, ISM Band, LoRaWAN
  • RS Stock No. 250-5118P
  • Mfr. Part No. ACAG1204-915-T
Each (Supplied on a Reel)
£1.896(exc. VAT)
Murata 0.6pF Multilayer Ceramic Capacitor MLCC, 50V dc V, ±0.05pF , SMD
  • RS Stock No. 114-0679P
  • Mfr. Part No. GJM1555C1HR60WB01D
Each (Supplied on a Reel)
£0.035(exc. VAT)
KYOCERA AVX 2.2μF Electrolytic Tantalum Capacitor 10V dc, F92 Series
  • RS Stock No. 136-2591
  • Mfr. Part No. Tantalum Capacitor 0805  10V 2.2uF 20%
Each (In a Bag of 100)
£0.287(exc. VAT)
Vishay, 5Ω 50W Thick Film Chassis Mount Resistor RCH50S5R000JS06 ±5%
  • RS Stock No. 789-0721P
  • Mfr. Part No. RCH50S5R000JS06
Each (Supplied in a Bag)
£15.06(exc. VAT)
Results per page
1
1125
7727

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