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

167681 Products showing for Passive Components

829 of 999+
In Stock
KEMET R75 Film Capacitor, ±5 %, 470 nF 2 kV dc 700V ac, Through Hole
  • RS Stock No. 875-2217P
  • Mfr. Part No. R75UR34704040J
Subtotal 10 units (supplied in a bag)
£36.60(exc. VAT)
£3.66/unit
In Stock
Panasonic 47 μF Aluminium Electrolytic Capacitor 25V dc, Surface Solder 1000
  • RS Stock No. 537-0512P
  • Mfr. Part No. EEEFK1E470P
Subtotal 5 units (supplied on a continuous strip)
£1.84(exc. VAT)
£0.368/unit
In Stock
Arcol HS100 150R J, 150 Ω 100 W Aluminium Chassis Mount Resistor ±5 %
  • RS Stock No. 188-194
  • Mfr. Part No. HS100 150R J
Subtotal (1 unit)
£9.61(exc. VAT)
£9.61/unit
Temporarily out of stock
KEMET 10 μF Through Hole Polymer Capacitor, 25V dc
  • RS Stock No. 173-9287
  • Mfr. Part No. A758BG106M1EAAE070
Subtotal (1 bag of 1000 units)
£114.00(exc. VAT)
£0.114/unit
Temporarily out of stock
Panasonic, E Surge Absorber 600 pF 100 A, Clamping 1120 V, Varistor 680 V
  • RS Stock No. 106-7974
  • Mfr. Part No. ERZE14A681
Subtotal (1 bag of 1000 units)
£441.00(exc. VAT)
£0.441/unit
In Stock
Mobilemark RMM-UMB-DN-BLK WiFi Antenna Through Hole/Bolted Mount with Type N Female Connector
  • RS Stock No. 793-2058
  • Mfr. Part No. RMM-UMB-DN-BLK
Subtotal (1 unit)
£62.29(exc. VAT)
£62.29/unit
Temporarily out of stock
Panasonic 82 μF Aluminium Electrolytic Capacitor 35V, Surface Surface Mount - EEEFN1V820UP SMD
  • RS Stock No. 781-679P
  • Mfr. Part No. EEEFN1V820UP
Subtotal 5 units (supplied on a continuous strip)
£2.68(exc. VAT)
£0.536/unit
Temporarily out of stock
Vishay MKP 1847 Film Capacitor, ±5 %, 5 μF 350V ac, Through Hole
  • RS Stock No. 736-9094
  • Mfr. Part No. MKP1847550354P4
Subtotal (1 unit)
£7.05(exc. VAT)
£7.05/unit
In Stock
Panasonic ERA 19.6 kΩ, 0805 Metal Film Surface Mount Resistor ±0.1 % 0.125 W - ERA6AEB1962V
  • RS Stock No. 708-6512
  • Mfr. Part No. ERA6AEB1962V
Subtotal (1 pack of 5 units)
£0.43(exc. VAT)
£0.086/unit
In Stock
TDK, Standard Metal Oxide Varistor 1.8 nF 50 A, Clamping 2970 V, Varistor 82 V
  • RS Stock No. 289-7121P
  • Mfr. Part No. B72214S0500K101
Subtotal 5 units (supplied in a bag)
£1.39(exc. VAT)
£0.278/unit
In Stock
Dehn, DR Modular Surge Protector 440V ac Maximum Voltage Rating 8 kA Maximum Surge Current Surge Arrester
  • RS Stock No. 768-1794
  • Mfr. Part No. DR M 4P 255 FM
Subtotal (1 unit)
£312.40(exc. VAT)
£312.40/unit
In Stock
Samsung Electro-Mechanics 100 nF Multilayer Ceramic Capacitor, 16V dc, ±10 %, Surface
  • RS Stock No. 766-4746
  • Mfr. Part No. CL10B104KO8NNNC
Subtotal (1 reel of 4000 units)
£20.00(exc. VAT)
£0.005/unit
Temporarily out of stock
Panasonic 220 μF Capacitor 10V dc, Surface Solder 500
  • RS Stock No. 133-1949P
  • Mfr. Part No. EEETC1A221P
Subtotal 5 units (supplied on a continuous strip)
£4.28(exc. VAT)
£0.856/unit
Last RS stock
Vishay 4 F Supercapacitor -20 to 80 % Tolerance, 196 HVC 1.4V dc, Surface
  • RS Stock No. 173-3866
  • Mfr. Part No. MAL219691131E3
Subtotal (1 box of 50 units)
£71.60(exc. VAT)
£1.432/unit
In Stock
Vishay CRCW 42.2 kΩ, 0402 Thick Film Surface Mount Resistor ±1 % 0.063 W - CRCW040242K2FKED
  • RS Stock No. 678-9314
  • Mfr. Part No. CRCW040242K2FKED
Subtotal (1 pack of 50 units)
£0.80(exc. VAT)
£0.016/unit
Temporarily out of stock
KEMET C44P-R Film Capacitor, ±5 %, 200 μF 700 V dc 330V ac, Stud Mount
  • RS Stock No. 182-8993
  • Mfr. Part No. C44PLGR6200RASJ
Subtotal (1 bag of 9 units)
£376.83(exc. VAT)
£41.87/unit
In Stock
Vishay 470 kΩ Metal Film Resistor 0.4 W 5 % SFR2500004703JA500
  • RS Stock No. 165-1255
  • Mfr. Part No. SFR2500004703JA500
Subtotal (1 pack of 50 units)
£2.25(exc. VAT)
£0.045/unit
In Stock
RS PRO 180 kΩ Carbon Film Resistor 2 W 5 %
  • RS Stock No. 707-8956
Subtotal (1 pack of 10 units)
£1.88(exc. VAT)
£0.188/unit
Currently unavailable
Panasonic 330 μF Surface Polymer Capacitor, 6.3V dc
  • RS Stock No. 788-7346P
  • Mfr. Part No. 6TPB330M
Subtotal 2 units (supplied on a continuous strip)
£3.96(exc. VAT)
£1.98/unit
In Stock
Abracon 24 MHz Crystal Unit ±20 ppm Surface Mount 4-Pin 1.2 mm 6 mm 3.5mm
  • RS Stock No. 241-3037
  • Mfr. Part No. ABMM2-24.000MHZ-E2-T
Subtotal (1 pack of 10 units)
£6.15(exc. VAT)
£0.615/unit
1
829
8385
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