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 include 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 passive component that can gather and hold a charge in a way that is similar to how a battery functions. This type of passive component is made of 2 close conductors (usually plates) that are separated by a dielectric material. The plates accumulate electric charge when connected to a power source. One plate accumulates a positive charge and the other plate accumulates a 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

Another type of passive component is the resistor. 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, it's 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 component 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; some examples would include windings from a transformer and inductors. It is useful because of its low electrical conductivity and high magnetic permeability.

Surge Protection Components

Surge protectors are a part of nearly every home and office today. They provide your expensive electronic equipment and circuitry with added protection against the harmful effects of electricity surges, improving their longevity.

RS is a supplier of passive components with a wide variety of quality products from leading manufacturers across the world.

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

163652 Products showing for Passive Components

Sort By
955 / 999+
Temporarily out of stock
Panasonic 15 μF Polymer Capacitor 100V dc, Surface - 100SXV15MX
  • RS Stock No. 145-8555
  • Mfr. Part No. 100SXV15MX
Subtotal (1 pack of 2 units)
MYR26.44
MYR13.22/unit
Temporarily out of stock
Wurth Elektronik 22 μF Capacitor 16V dc, Surface Solder
  • RS Stock No. 838-7954
  • Mfr. Part No. 865090342003
Subtotal (1 pack of 25 units)
MYR33.95
MYR1.358/unit
In Stock
Panasonic ERJ 6.8 kΩ, 0805 Thick Film Surface Mount Resistor ±0.5 % 0.1 W - ERJ6RBD6801V
  • RS Stock No. 810-1889
  • Mfr. Part No. ERJ6RBD6801V
Subtotal (1 bag of 100 units)
MYR25.70
MYR0.257/unit
In Stock
Wurth Elektronik 22 μF Capacitor 6.3V dc, Surface Solder
  • RS Stock No. 839-1913
  • Mfr. Part No. 865080140001
Subtotal (1 pack of 25 units)
MYR20.50
MYR0.82/unit
In Stock
Microchip 150 MHz Oscillator, 4-Pin VDFN ±50 ppm ±50 ppm DSC1001CI1-024.0000
  • RS Stock No. 732-171
  • Mfr. Part No. DSC1001CI1-024.0000
Subtotal (1 unit)
MYR4.76
MYR4.76/unit
In Stock
Murata, LQM, 0805 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 2.2 μH ±30 % 800 mA Idc
  • RS Stock No. 839-0929
  • Mfr. Part No. LQM21PN2R2NGCD
Subtotal (1 bag of 10 units)
MYR5.84
MYR0.584/unit
In Stock
Wurth Elektronik, 744, 9065 Shielded Inductor with a Manganese Zinc Core, 0.15 μH Surface Mount ±20% 34 μA Idc
  • RS Stock No. 758-358
  • Mfr. Part No. 744300015
Subtotal (1 tape of 5 units)
MYR73.40
MYR14.68/unit
Temporarily out of stock
TDK, B82559A, ERU20 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 1 μH ±10 % 50 A Idc
  • RS Stock No. 801-9796
  • Mfr. Part No. B82559A2102A020
Subtotal (1 unit)
MYR30.86
MYR30.86/unit
Limited stock
100 Ω, Through Hole Trimmer Potentiometer, Pin 0.5 W Top Adjust Bourns, 3339
  • RS Stock No. 691-7620
  • Mfr. Part No. 3339P-1-101LF
Subtotal (1 unit)
MYR25.74
MYR25.74/unit
In Stock
Wurth Elektronik 39 μF Surface Polymer Capacitor, 20V dc
  • RS Stock No. 838-7538
  • Mfr. Part No. 875105445005
Subtotal (1 pack of 5 units)
MYR17.75
MYR3.55/unit
Last RS stock
Siretta TANGO14/3M/SMAM/S/S/22 Puck Omni-Directional Antenna with SMA Connector
  • RS Stock No. 124-8703
  • Mfr. Part No. TANGO14/3M/SMAM/S/S/22
Subtotal (1 unit)
MYR218.86
MYR218.86/unit
In Stock
Wurth Elektronik, 7447, 7332 Shielded Inductor with a Ferrite Core, 2.2 μH Surface Mount ±30% 6.2 A Idc
  • RS Stock No. 758-301
  • Mfr. Part No. 7447783022
Subtotal (1 tape of 10 units)
MYR58.81
MYR5.881/unit
In Stock
Bourns, SRP7028A, 7028 Shielded Wirewound Surface Mount Inductor with a Carbonyl Powder Core, 4.7 μH ±20 % 5.5 A Idc
  • RS Stock No. 172-9802
  • Mfr. Part No. SRP7028A-4R7M
Subtotal (1 reel of 1000 units)
MYR2,965.00
MYR2.965/unit
Temporarily out of stock
10 kΩ, Through Hole Trimmer Potentiometer, Solder Pin 0.5 W Side Adjust Bourns, PV36
  • RS Stock No. 769-2202
  • Mfr. Part No. PV36X103C01B00
Subtotal (1 unit)
MYR8.53
MYR8.53/unit
Last RS stock
Nichicon 10 μF Capacitor 35V dc, Surface Solder - UWD1V100MCL1GS
  • RS Stock No. 843-2679
  • Mfr. Part No. UWD1V100MCL1GS
Subtotal (1 pack of 25 units)
MYR24.225
MYR0.969/unit
In Stock
Wurth Elektronik, WE-HCM, SMT Shielded Inductor with a Ferrite Core, 0.47 μH Shielded Construction ±20 % 2.7 A Idc
  • RS Stock No. 748-388
  • Mfr. Part No. 74479787147B
Subtotal (1 tape of 10 units)
MYR53.52
MYR5.352/unit
Currently unavailable
TE Connectivity CRGS 470 Ω, 1206 Thick Film Surface Mount Resistor ±5 % 0.6 W - CRGS1206J470R
  • RS Stock No. 905-9345
  • Mfr. Part No. CRGS1206J470R
Subtotal (1 bag of 100 units)
MYR91.50
MYR0.915/unit
In Stock
KYOCERA AVX 22 μF Electrolytic Tantalum Capacitor 10V dc, Surface, TPS Series
  • RS Stock No. 136-6160P
  • Mfr. Part No. TPSB226K010R0700
Subtotal 10 units (supplied on a continuous strip)
MYR14.82
MYR1.482/unit
In Stock
Panasonic 47 μF Capacitor 16V dc, Surface Solder - EEEHC1C470P 1000
  • RS Stock No. 727-0871
  • Mfr. Part No. EEEHC1C470P
Subtotal (1 pack of 10 units)
MYR12.12
MYR1.212/unit
Currently unavailable
Wurth Elektronik 330 μF Capacitor 63V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 840-5018
  • Mfr. Part No. 860020778020
Subtotal (1 pack of 5 units)
MYR23.37
MYR4.674/unit
1
955
8183
Results per page

Guides & Articles

Capacitors Guide
In our comprehensive Capacitors Guide we look at MLCC's and the alternatives available
Read more
Variable Resistors Guide
Everything you need to know about variable resistors
Read more

Related links