Over 800,000 products available

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

169637 Products showing for Passive Components

Sort by
966 of 999+
Temporarily out of stock
Murata 1 μF Multilayer Ceramic Capacitor, 25V dc, ±10 %, Surface
  • RS Stock No. 165-6386
  • Mfr. Part No. GRT155C81E105KE13D
Subtotal (1 reel of 10000 units)
£350.00(exc. VAT)
£0.035/unit
In Stock
KEMET 100 nF Multilayer Ceramic Capacitor, 500V dc, ±10 %, Surface
  • RS Stock No. 769-7317P
  • Mfr. Part No. C1812V104KCRACTU
Subtotal 10 units (supplied on a continuous strip)
£5.03(exc. VAT)
£0.503/unit
In Stock
KYOCERA AVX 100 nF Multilayer Ceramic Capacitor, 100V dc, ±10 %, Through Hole Solder
  • RS Stock No. 167-7028
  • Mfr. Part No. CK06BX104K
Subtotal (1 bag of 1000 units)
£1,195.00(exc. VAT)
£1.195/unit
In Stock
Bourns, SRF0905, 0905 Surface Mount Common Mode Line Filter with a Ferrite Core, 250 μH Ferrite Core ±50 % 1.2 A Idc
  • RS Stock No. 180-8886
  • Mfr. Part No. SRF0905-251Y
Subtotal (1 reel of 1000 units)
£354.00(exc. VAT)
£0.354/unit
Last RS stock
TE Connectivity CRGH 1.5 kΩ, 0805 Thick Film Surface Mount Resistor ±5 % Surface 0.33 W - CRGH0805J1K5
  • RS Stock No. 807-5728
  • Mfr. Part No. CRGH0805J1K5
Subtotal (1 bag of 100 units)
£1.00(exc. VAT)
£0.01/unit
Last RS stock
VPG Foil Resistors CSMS 100 mΩ, 2512 Metal Strip Surface Mount Resistor ±1 % Surface 1 W - Y44870R10000F9R
  • RS Stock No. 763-7198
  • Mfr. Part No. Y44870R10000F9R
Subtotal (1 unit)
£15.67(exc. VAT)
£15.67/unit
In Stock
RS PRO 210 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W
  • RS Stock No. 717-1367
Subtotal (1 reel of 5000 units)
£10.00(exc. VAT)
£0.002/unit
Temporarily out of stock
KOA RK73H 22 Ω, 0402 Thick Film Surface Mount Resistor ±1 % 0.1 W - RK73H1ETTP22R0F
  • RS Stock No. 631-7691
  • Mfr. Part No. RK73H1ETTP22R0F
Subtotal (1 pack of 100 units)
£1.40(exc. VAT)
£0.014/unit
Temporarily out of stock
CHEMI-CON 470 μF Capacitor 250V dc, Snap-in - EKMQ251VSN471MP40S
  • RS Stock No. 170-0621
  • Mfr. Part No. EKMQ251VSN471MP40S
Subtotal (1 box of 200 units)
£533.00(exc. VAT)
£2.665/unit
Temporarily out of stock
Vitrohm 3.3 Ω Wirewound Through Hole Fixed Resistor 1.1 W 5 %
  • RS Stock No. 212-3449
  • Mfr. Part No. BWS110JT-73-3R3AA
Subtotal (1 box of 1000 units)
£234.00(exc. VAT)
£0.234/unit
In Stock
KOA TLR-2H 5 mΩ, 2010 Metal Plate Surface Mount Resistor ±1 % 1 W - TLR2HDTE5L00F75
  • RS Stock No. 192-1823
  • Mfr. Part No. TLR2HDTE5L00F75
Subtotal (1 tape of 10 units)
£4.78(exc. VAT)
£0.478/unit
In Stock
Yageo RC_L 510 Ω, 0603 Thick Film Surface Mount Resistor ±1 % 0.2 W - RC0603FR-07510RL
  • RS Stock No. 199-5598
  • Mfr. Part No. RC0603FR-07510RL
Subtotal (1 tape of 100 units)
£0.60(exc. VAT)
£0.006/unit
In Stock
Murata 4.7 μF Multilayer Ceramic Capacitor, 50V dc, 10 %, Surface
  • RS Stock No. 260-8831P
  • Mfr. Part No. GRM31CR71H475KA12K
Subtotal 20 units (supplied on a continuous strip)
£3.46(exc. VAT)
£0.173/unit
Currently unavailable
TDK, Standard Metal Oxide Varistor 490 pF 50 A, Clamping 2970 V, Varistor 390 V
  • RS Stock No. 134-5688
  • Mfr. Part No. B72214S0251K101
Subtotal (1 bag of 500 units)
£93.00(exc. VAT)
£0.186/unit
In Stock
RS Better World
Vishay MMA 0204 100 kΩ, 0204 Thin Film Resistor 0.01 Surface 0.4 W - MMA02040C1003FB000
  • RS Stock No. 667-630
  • Mfr. Part No. MMA02040C1003FB000
Subtotal (1 tape of 10 units)
£0.48(exc. VAT)
£0.048/unit
Temporarily out of stock
Vishay CRCW 560 Ω, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W - CRCW1206560RFKEA
  • RS Stock No. 679-2225
  • Mfr. Part No. CRCW1206560RFKEA
Subtotal (1 pack of 50 units)
£1.25(exc. VAT)
£0.025/unit
In Stock
Vishay WSR2 1 Ω, 4257 (11070M) Metal Strip Surface Mount Resistor ±1 % 2 W - WSR21R000FEA
  • RS Stock No. 683-6650
  • Mfr. Part No. WSR21R000FEA
Subtotal (1 pack of 5 units)
£5.50(exc. VAT)
£1.10/unit
In Stock
RS PRO 27 pF Mica Capacitor 500V dc 0.5 pF Tolerance Radial
  • RS Stock No. 495-672
Subtotal (1 pack of 5 units)
£19.72(exc. VAT)
£3.944/unit
In Stock
Vishay CRCW 470 Ω, 2512 Thick Film Surface Mount Resistor ±1 % Surface 1 W - CRCW2512470RFKEG
  • RS Stock No. 679-2446
  • Mfr. Part No. CRCW2512470RFKEG
Subtotal (1 pack of 25 units)
£2.225(exc. VAT)
£0.089/unit
In Stock
RS PRO 1 Ω Metal Film Resistor 0.6 W 0.5 %
  • RS Stock No. 174-2781P
Subtotal 100 units (supplied in a box)
£6.20(exc. VAT)
£0.062/unit
1
966
8482
Results per page

Guides & Articles

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
Resistors Guide
What are the different types of resistors? Learn more in our comprehensive guide.
Read more
Potentiometers Guide
Our potentiometers guide will help you understand their uses, how they work, the various types and characteristics.
Read more
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