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

166540 Products showing for Passive Components

Sort by
8245 of 999+
In Stock
TDK Thermistor, NTC Type 100 kΩ 6.5 mm 2.41 mm
  • RS Stock No. 706-2765P
  • Mfr. Part No. B57861S0104F040
Subtotal 1 unit (supplied as a tape)
£1.30(exc. VAT)
£1.30/unit
Last RS stock
TDK, EHV 350 V dc 10 kA, Through Hole Surge Arrester Gas Discharge Tube
  • RS Stock No. 703-1064P
  • Mfr. Part No. B88069X4640C102
Subtotal 1 unit (supplied in a bag)
£1.66(exc. VAT)
£1.66/unit
Temporarily out of stock
Vishay 25 W 4.7 kΩ Wirewound Rheostat 73mA, RT025AS4701KB
  • RS Stock No. 168-0124
  • Mfr. Part No. RT025AS4701KB
Subtotal (1 pack of 25 units)
£5,119.00(exc. VAT)
£204.76/unit
Temporarily out of stock
Vitrohm 22 Ω Wirewound Through Hole Fixed Resistor 2.5 W 5 % CRF250JT-73-22RUL
  • RS Stock No. 212-3481
  • Mfr. Part No. CRF250JT-73-22RUL
Subtotal (1 tape of 10 units)
£4.38(exc. VAT)
£0.438/unit
In Stock
Bourns, 4600X 47 Ω 1 Ω ISOL Resistor Array, 4 Resistors, 1 W total, SIP, Solder
  • RS Stock No. 522-3999P
  • Mfr. Part No. 4608X-102-470LF
Subtotal 25 units (supplied in a bag)
£3.00(exc. VAT)
£0.12/unit
Last RS stock
RS PRO 150 μH Power Inductor, 5 A Idc, 0.094 Ω Rdc, DP
  • RS Stock No. 104-8446
Subtotal (1 pack of 5 units)
£19.51(exc. VAT)
£3.902/unit
Temporarily out of stock
KEMET R60 Film Capacitor, ±10 %, 220 nF 250 V dc 160V ac, Through Hole
  • RS Stock No. 164-9752
  • Mfr. Part No. R60IF3220506AK
Subtotal (1 bag of 1500 units)
£324.00(exc. VAT)
£0.216/unit
Temporarily out of stock
CITIZEN FINEDEVICE 9.21 MHz Crystal Unit ±30 ppm 2-Pin 3.5 mm 11.5 mm 4.66mm
  • RS Stock No. 184-9657
  • Mfr. Part No. HC-49/U-S9216000ABJB
Subtotal (1 pack of 5 units)
£3.03(exc. VAT)
£0.606/unit
In Stock
Vishay CRCW 681 Ω, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W - CRCW1206681RFKEA
  • RS Stock No. 679-2288P
  • Mfr. Part No. CRCW1206681RFKEA
Subtotal 50 units (supplied on a continuous strip)
£1.10(exc. VAT)
£0.022/unit
In Stock
KYOCERA AVX 15 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 144-1350
  • Mfr. Part No. 04025A150JAT2A
Subtotal (1 bag of 500 units)
£14.50(exc. VAT)
£0.029/unit
In Stock
KYOCERA AVX 220 μF Electrolytic Tantalum Capacitor 4V dc, Surface, TAJ Series
  • RS Stock No. 136-0183
  • Mfr. Part No. TAJB227M004RNJ
Subtotal (1 bag of 20 units)
£5.26(exc. VAT)
£0.263/unit
Last RS stock
Vishay 100 μF Capacitor 400V dc, Snap-in - MAL205956101E3 Solder
  • RS Stock No. 166-8102
  • Mfr. Part No. MAL205956101E3
Subtotal (1 unit)
£3.20(exc. VAT)
£3.20/unit
In Stock
TDK, MLF, 0603 Shielded Multilayer Surface Mount Inductor with a Ferrite Core, 4.7 μH Multilayer ±10 % 30 mA Idc Q:35
  • RS Stock No. 775-4697
  • Mfr. Part No. MLF1608A4R7KTA00
Subtotal (1 reel of 10 units)
£0.72(exc. VAT)
£0.072/unit
Currently unavailable
TE Connectivity TW 100 Ω Rotary Potentiometer 1-Turns 1-Gang Panel Mount
  • RS Stock No. 136-1809
  • Mfr. Part No. TW1101KA
Subtotal (1 box of 500 units)
£3,499.00(exc. VAT)
£6.998/unit
In Stock
Murata Ceramic Resonator, 8 MHz 33 pF, 3-Pin Surface Mount 2mm, 3.2 mm
  • RS Stock No. 216-6074P
  • Mfr. Part No. CSTNE8M00GH5L000R0
Subtotal 20 units (supplied on a continuous strip)
£4.02(exc. VAT)
£0.201/unit
In Stock
TE Connectivity, 6.8 Ω 100 W Thick Film Chassis Mount Resistor ±10 %
  • RS Stock No. 225-1137
  • Mfr. Part No. BDS2A1006R8K
Subtotal (1 unit)
£50.78(exc. VAT)
£50.78/unit
In Stock
KYOCERA AVX 1500 μF MnO2 Tantalum Capacitor 4V dc, Surface, TPS Series
  • RS Stock No. 699-3826P
  • Mfr. Part No. TPSE158K004R0050
Subtotal 1 unit (supplied on a continuous strip)
£2.57(exc. VAT)
£2.57/unit
Temporarily out of stock
Wurth Elektronik 16 MHz Crystal ±20 ppm SMT 4-Pin 0.6 mm 2.5 mm 2mm
  • RS Stock No. 197-525
  • Mfr. Part No. 830069392
Subtotal (1 reel of 3000 units)
£981.00(exc. VAT)
£0.327/unit
Temporarily out of stock
KYOCERA AVX 10 μF Electrolytic Tantalum Capacitor 10V dc, Surface, TPS Series
  • RS Stock No. 173-2776
  • Mfr. Part No. TPST106K010R1000
Subtotal (1 reel of 2500 units)
£405.00(exc. VAT)
£0.162/unit
In Stock
KYOCERA AVX 100 nF Electrolytic Tantalum Capacitor 20V dc, Surface, TAJ Series
  • RS Stock No. 135-5436
  • Mfr. Part No. TAJR104K020RNJ
Subtotal (1 bag of 20 units)
£5.14(exc. VAT)
£0.257/unit
1
8245
8327
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

Be the first to know about our latest products and offers

Email address

The personal information you provide to us when signing up to this mailing list will be processed in line with the Privacy Policy