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

153933 Products showing for Passive Components

1910 of 999+
RS PRO 2.2μF Aluminium Electrolytic Capacitor 250V dc, Radial, Through Hole
  • RS Stock No. 711-1905
Each (In a Pack of 25)
£0.058(exc. VAT)
Vishay CRCW 27Ω, 0402 (1005M) Thick Film SMD Resistor ±1% 0.063W
  • RS Stock No. 678-9052P
  • Mfr. Part No. CRCW040227R0FKED
Each (Supplied on a Reel)
£0.016(exc. VAT)
Abracon 16MHz Crystal ±10ppm ABM11W 4-Pin 2.0 x 1.6 x 0.5mm
  • RS Stock No. 240-3436
  • Mfr. Part No. ABM11W-16.0000MHZ-8-K1Z-T3
Each (In a Pack of 25)
£0.258(exc. VAT)
Vishay 15Ω Metal Film Resistor 2W ±5% PR02000201509JA100
  • RS Stock No. 683-5653
  • Mfr. Part No. PR02000201509JA100
Each (In a Pack of 10)
£0.205(exc. VAT)
Panasonic, 0603 (1608M) Thick Film Surface Mount Fixed Resistor ±1% 0.1W
  • RS Stock No. 282-318P
  • Mfr. Part No. ERJ6ENF2002V
Each (Supplied on a Reel)
£0.015(exc. VAT)
TE Connectivity, Signal Filter
  • RS Stock No. 188-9058
  • Mfr. Part No. 2337822-1
Each (In a Pack of 2)
£1.43(exc. VAT)
RS PRO 33kΩ, 0402 (1005M) Thin Film Resistor 0.1% 0.06W
  • RS Stock No. 243-0450
Each (On a Reel of 10000)
£0.018(exc. VAT)
KEMET PHE450 Metallised Polypropylene Film Capacitor, 250 V ac, 400 V dc, ±5%, 470nF, Through Hole
  • RS Stock No. 173-1837
  • Mfr. Part No. PHE450KF6470JR06L2
Each (In a Bag of 216)
£1.602(exc. VAT)
TE Connectivity 120Ω Carbon Film Resistor 0.25W ±5% CFR16J120R
  • RS Stock No. 125-1149P
  • Mfr. Part No. CFR16J120R
Each (Supplied in a Box)
£0.039(exc. VAT)
Panasonic 8.2Ω, 0603 (1608M) Thick Film SMD Resistor ±5% 0.125W
  • RS Stock No. 228-4904P
  • Mfr. Part No. ERJH3GJ8R2V
Each (Supplied on a Reel)
£0.027(exc. VAT)
Arcol 25mΩ Metal Strip Resistor 1W ±1% MSR-1 R025 F
  • RS Stock No. 166-4598
  • Mfr. Part No. MSR-1 R025 F
Each (In a Bag of 250)
£1.421(exc. VAT)
PIHER SENSORS AND CONTROLS S.S.A Linear Potentiometer 1-Gang Through Hole, PC16SH10IP06-102A2020-ITA
  • RS Stock No. 285-8612
  • Mfr. Part No. PC16SH10IP06-102A2020-ITA
Each
£4.86(exc. VAT)
Welwyn 150Ω Wire Wound Resistor 7W ±5% W22-150RJI
  • RS Stock No. 139-3322
  • Mfr. Part No. W22-150RJI
Each (On a Reel of 700)
£0.682(exc. VAT)
KEMET 40A 500 V ac, Chassis Mount EMI Filter, Screw 3 Phase
  • RS Stock No. 242-0943
  • Mfr. Part No. GTX-3400-Y473
Each
£134.37(exc. VAT)
1kΩ, SMD Trimmer Potentiometer 0.25W Top Adjust Bourns, 3224
  • RS Stock No. 743-2303
  • Mfr. Part No. 3224X-1-102E
Each
£3.76(exc. VAT)
KEMET R82 Polyester Film Capacitor, 63 V ac, 100 V dc, ±5%, 100nF, Through Hole
  • RS Stock No. 463-1765
  • Mfr. Part No. R82EC3100DQ70J
Each (In a Pack of 10)
£0.113(exc. VAT)
Fair-Rite Ferrite Core
  • RS Stock No. 172-9998
  • Mfr. Part No. 0431167281
Each (In a Box of 196)
£1.23(exc. VAT)
Wurth, WE-XHMI SMT, 4030 Shielded Wire-wound SMD Inductor with a Polystyrene Core, 1.2 μH 10.9A Idc
  • RS Stock No. 219-789
  • Mfr. Part No. 74439324012
Each (On a Tape of 10)
£1.318(exc. VAT)
Fair-Rite Shielding Sheet, 120mm x 120mm x 0.23mm
  • RS Stock No. 255-5157
  • Mfr. Part No. 38M5020AA1212
Each
£20.01(exc. VAT)
EPCOS B32671P Polypropylene Film Capacitor, 160 V ac, 450 V dc, ±10%, 470nF, Through Hole
  • RS Stock No. 882-9161
  • Mfr. Part No. B32671P4474K000
Each (In a Pack of 10)
£0.642(exc. VAT)
Results per page
1
1910
7697

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