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

159369 Products showing for Passive Components

7651 of 999+
Stock information currently inaccessible
Vishay 15 Ω Thick Film Resistor 30 W 5 %
  • RS Stock No. 167-9449
  • Mfr. Part No. LTO030F15R00JTE3
Subtotal (1 tube of 50 units)
£114.00(exc. VAT)
Currently unavailable
Vishay Thermistor, NTC Type 10 kΩ, Bead Type Thermistor with Epoxy Coated Body 8 mm 38 mm 2.4 mm
  • RS Stock No. 170-8665
  • Mfr. Part No. NTCLE300E3302SB
Subtotal (1 box of 1000 units)
£811.00(exc. VAT)
In Stock
Bourns, SRP7028AA, 7028 Shielded Power Inductor with a Metal Alloy Powder Core, 5.6 μH ±20 % 5.5 A Idc Q:10
  • RS Stock No. 247-6143
  • Mfr. Part No. SRP7028AA-5R6M
Subtotal (1 unit)
£0.54(exc. VAT)
In Stock
Panasonic 220 μF Capacitor 63V dc, Through Hole Radial Lead
  • RS Stock No. 240-3920
  • Mfr. Part No. EEUFR1J221LB
Subtotal (1 pack of 5 units)
£5.35(exc. VAT)
Last RS stock
Vishay CRCW 300 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % Surface 0.25 W
  • RS Stock No. 679-2023P
  • Mfr. Part No. CRCW1206300KFKEA
Subtotal 50 units (supplied on a continuous strip)
£0.35(exc. VAT)
Last RS stock
TE Connectivity THS25R10J, 100 mΩ 25 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 754-7183
  • Mfr. Part No. THS25R10J
Subtotal (1 unit)
£4.19(exc. VAT)
Currently unavailable
TE Connectivity CRGH 47 kΩ, 0805 Thick Film Surface Mount Resistor ±5 % Surface 0.33 W - CRGH0805J47K
  • RS Stock No. 164-5451
  • Mfr. Part No. CRGH0805J47K
Subtotal (1 reel of 5000 units)
£55.00(exc. VAT)
Temporarily out of stock
TE Connectivity 17.8 kΩ Metal Film Resistor 0.25 W 0.1 % H817K8BYA
  • RS Stock No. 164-2014
  • Mfr. Part No. H817K8BYA
Subtotal (1 box of 250 units)
£241.00(exc. VAT)
Temporarily out of stock
Panasonic ERJPC3 422 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.2 W - ERJPC3D4220V
  • RS Stock No. 784-820
  • Mfr. Part No. ERJPC3D4220V
Subtotal (1 tape of 10 units)
£0.39(exc. VAT)
Temporarily out of stock
KEMET 0.64 mH 7 A Common Mode Choke 24.54 mΩ 500V ac/dc
  • RS Stock No. 764-434
  • Mfr. Part No. SCT17X-070-0R9A022V
Subtotal (1 unit)
£2.82(exc. VAT)
Temporarily out of stock
KYOCERA AVX 470 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 124-3237
  • Mfr. Part No. 08055A471JAT2A
Subtotal (1 reel of 4000 units)
£72.00(exc. VAT)
In Stock
TE Connectivity 12 Ω Wirewound Resistor 3 W 5 % ER7412RJT
  • RS Stock No. 151-681
  • Mfr. Part No. ER7412RJT
Subtotal (1 pack of 5 units)
£5.00(exc. VAT)
New product - Preorder today
TE Connectivity 0.2 mH 85 A Common Mode Choke 0.5 mΩ 450V ac/dc
  • RS Stock No. 722-780
  • Mfr. Part No. RT8132-85-0M2
Subtotal (1 unit)
£27.16(exc. VAT)
Temporarily out of stock
Panasonic E24 27200 Ω, Tape & Reel Thin-Film Technology Thin Film Resistor ±0.5 % Surface 0.063 W - ERA2AED272X
  • RS Stock No. 782-856
  • Mfr. Part No. ERA2AED272X
Subtotal (1 tape of 10 units)
£0.32(exc. VAT)
Last RS stock
TE Connectivity 6.8 Ω Metal Oxide Resistor 2 W 5 % ROX2SJ6R8
  • RS Stock No. 214-1664
  • Mfr. Part No. ROX2SJ6R8
Subtotal (1 pack of 10 units)
£1.56(exc. VAT)
In Stock
Murata 1 μF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Through Hole Radial
  • RS Stock No. 133-5720
  • Mfr. Part No. RDER71H105K2M1H03A
Subtotal (1 pack of 25 units)
£7.10(exc. VAT)
Last RS stock
TE Connectivity 261 Ω Metal Film Resistor 0.25 W 0.1 %
  • RS Stock No. 754-8931P
  • Mfr. Part No. YR1B261RCC
Subtotal 5 units (supplied in a bag)
£3.18(exc. VAT)
In Stock
Arcol 47 Ω Thick Film Resistor 10 W 5 % FCR10 47R J
  • RS Stock No. 874-4051
  • Mfr. Part No. FCR10 47R J
Subtotal (1 unit)
£7.56(exc. VAT)
In Stock
Panasonic ERJ8EN 332 Ω, 0603 Thick Film Surface Mount Fixed Resistor ±1 % 0.25 W - ERJ8ENF3320V
  • RS Stock No. 282-381P
  • Mfr. Part No. ERJ8ENF3320V
Subtotal 10 units (supplied on a continuous strip)
£0.40(exc. VAT)
In Stock
Murata NTC Thermistor, NTC Type 10 kΩ, 0603 0.8 mm 1.6 mm 0.8 mm
  • RS Stock No. 181-1291
  • Mfr. Part No. NCU18XH103E6SRB
Subtotal (1 reel of 4000 units)
£156.00(exc. VAT)
1
7651
7969
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