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

153549 Products showing for Passive Components

1918 of 999+
KYOCERA AVX 10μF MLCC, 16V dc V, SMD
  • RS Stock No. 136-7655
  • Mfr. Part No. 1206YC106KAT2A
Each (In a Bag of 100)
£0.16(exc. VAT)
Samsung Electro-Mechanics 100pF Multilayer Ceramic Capacitor MLCC, 50V dc V, ±5% , SMD
  • RS Stock No. 766-5130
  • Mfr. Part No. CL10C101JB8NNNC
Each (On a Reel of 4000)
£0.005(exc. VAT)
Wurth Elektronik 560μF Aluminium Electrolytic Capacitor 450V dc, Snap-In - 861221486024
  • RS Stock No. 125-0164
  • Mfr. Part No. 861221486024
Each (In a Tray of 50)
£13.493(exc. VAT)
Wurth Elektronik Ferrite Bead, 2 x 1.2 x 0.9mm (0805 (2012M)), 600Ω impedance at 100 MHz
  • RS Stock No. 124-1866P
  • Mfr. Part No. 742792042
Each (Supplied on a Reel)
£0.138(exc. VAT)
Wurth Elektronik 1000μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - 860010678024
  • RS Stock No. 839-7107
  • Mfr. Part No. 860010678024
Each (In a Pack of 5)
£1.186(exc. VAT)
KYOCERA AVX 22μF Tantalum Capacitor 10V dc, TPC Series
  • RS Stock No. 144-2501
  • Mfr. Part No. TPCR226K010R1500
Each (In a Bag of 5)
£2.136(exc. VAT)
Ferrite SMD 700mA 0.07 Ohm 0805
  • RS Stock No. 485-888P
  • Mfr. Part No. 742792005
Each (Supplied on a Reel)
£0.226(exc. VAT)
Same Sky 78dB SMD External Magnetic Buzzer, 3V dc Min, 5V dc Max
  • RS Stock No. 259-6303
  • Mfr. Part No. CSS-0578-SMT-TR
Each (On a Reel of 2500)
£1.54(exc. VAT)
KEMET 150μF Aluminium Electrolytic Capacitor 450V dc, Snap-In - PEH536YBF3150M3
  • RS Stock No. 434-0964
  • Mfr. Part No. PEH536YBF3150M3
Each
£4.15(exc. VAT)
Wurth, WE-XHMI SMT, 4030 Shielded Wire-wound SMD Inductor with a Polystyrene Core, 470 nH 17.1A Idc
  • RS Stock No. 219-783
  • Mfr. Part No. 744393240047
Each (On a Tape of 10)
£1.318(exc. VAT)
Panasonic ERJPA3 22kΩ, 0603 (1608M) Thick Film SMD Resistor ±1% 0.25W
  • RS Stock No. 862-6846P
  • Mfr. Part No. ERJPA3F2202V
Each (Supplied on a Reel)
£0.024(exc. VAT)
Isabellenhutte SMD Resistor
  • RS Stock No. 288-2075
  • Mfr. Part No. SMT-R050-1.0
Each
£2.31(exc. VAT)
Inductor design kit/WE-TPC
  • RS Stock No. 486-273
  • Mfr. Part No. 744043
Each
£130.05(exc. VAT)
KEMET R75L Metallised Polypropylene Film Capacitor, 250 V ac, 560 V dc, ±10%, 330nF, Through Hole
  • RS Stock No. 171-9257
  • Mfr. Part No. R75LN33304000K
Each (In a Pack of 10)
£1.162(exc. VAT)
KYOCERA AVX 4.7μF Electrolytic Tantalum Capacitor 10V dc, TPS Series
  • RS Stock No. 136-6129
  • Mfr. Part No. TPSA475K010R1400
Each (In a Bag of 25)
£0.25(exc. VAT)
TE Connectivity CPF 80.6Ω, 0603 (1608M) Thin Film SMD Resistor ±0.1% 0.063W
  • RS Stock No. 123-9877
  • Mfr. Part No. CPF0603B80R6E1
Each (On a Reel of 1000)
£0.094(exc. VAT)
RS PRO 4.7μF Electrolytic Tantalum Electrolytic Capacitor 10V dc
  • RS Stock No. 181-4700
Each (In a Pack of 50)
£0.193(exc. VAT)
ROHM 100mΩ, 7142(2817) Metal Plate Resistor ±1% 10W
  • RS Stock No. 237-4343P
  • Mfr. Part No. GMR320HJCFAR100
Each (Supplied on a Reel)
£2.448(exc. VAT)
Wurth, 0603 (1608M) Multilayer Surface Mount Inductor 18 nH 300mA Idc
  • RS Stock No. 245-8523
  • Mfr. Part No. 7447860218G
Each (On a Tape of 10)
£0.10(exc. VAT)
Nidec Components Rotary Wirewound Potentiometer 10-Turns 1-Gang, M-22E10 10K
  • RS Stock No. 244-4032
  • Mfr. Part No. M-22E10 10K
Each (In a Tray of 10)
£11.717(exc. VAT)
Results per page
1
1918
7678

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