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

169693 Products showing for Passive Components

Sort By
867 of 999+
In Stock
Wurth Elektronik Shielding Strip of Gold Plated Beryllium Copper Alloy With Mounting Screw 3.15 mm x 2mm x 3 mm
  • RS Stock No. 773-4277
  • Mfr. Part No. 331171302030
Subtotal (1 bag of 5 units)
$7.06(exc. GST)
$1.412/unit
In Stock
Vishay Single Layer Ceramic Capacitor 10 nF 760V ac ±20 % Y5U Dielectric, 440 L, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 852-3059
  • Mfr. Part No. 440LS10-R
Subtotal (1 unit)
$14.49(exc. GST)
$14.49/unit
Temporarily out of stock
KEMET 100 μF Capacitor 260V ac, Snap-in - 100MS26ACMA1STD
  • RS Stock No. 151-1521
  • Mfr. Part No. 100MS26ACMA1STD
Subtotal (1 box of 72 units)
$1,302.696(exc. GST)
$18.093/unit
Temporarily out of stock
RS PRO 5 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount
  • RS Stock No. 173-0717
Subtotal (1 box of 50 units)
$196.95(exc. GST)
$3.939/unit
Temporarily out of stock
Wurth Elektronik 220 μF Capacitor 450V dc, Snap-in - 861021484017
  • RS Stock No. 123-2680
  • Mfr. Part No. 861021484017
Subtotal (1 pack of 2 units)
$22.91(exc. GST)
$11.455/unit
In Stock
KYOCERA AVX 100 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 136-7681
  • Mfr. Part No. 12065C104K4Z2A
Subtotal (1 bag of 50 units)
$6.95(exc. GST)
$0.139/unit
In Stock
Panasonic 2200 μF Capacitor 25V dc, Radial, Through Hole - EEUFK1E222S Radial Lead
  • RS Stock No. 107-1073
  • Mfr. Part No. EEUFK1E222S
Subtotal (1 bag of 100 units)
$201.40(exc. GST)
$2.014/unit
Temporarily out of stock
Murata 10 μF Multilayer Ceramic Capacitor, 25V dc, 10 %, Surface
  • RS Stock No. 260-8828
  • Mfr. Part No. GRM31CR71E106KA12K
Subtotal (1 reel of 6000 units)
$588.00(exc. GST)
$0.098/unit
Temporarily out of stock
Wurth Elektronik, WE-LQS, 2010 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 10 μH ±20 % 500 mA Idc
  • RS Stock No. 135-4712
  • Mfr. Part No. 74404020100
Subtotal (1 pack of 10 units)
$8.53(exc. GST)
$0.853/unit
In Stock
AKER 8 MHz Crystal ±30 ppm Surface Mount 4-Pin 1.1 mm 7 mm 5mm
  • RS Stock No. 671-9375
  • Mfr. Part No. C7S-8.000-12-3030-X
Subtotal (1 pack of 5 units)
$9.51(exc. GST)
$1.902/unit
Last RS stock
Vishay 390 kΩ Thin Film Resistor 0.6 W 1 % MRS25000C3903FCT00
  • RS Stock No. 683-3597
  • Mfr. Part No. MRS25000C3903FCT00
Subtotal (1 pack of 25 units)
$3.70(exc. GST)
$0.148/unit
In Stock
Panasonic 1800 μF Aluminium Electrolytic Capacitor 35V dc, Through Hole - EEUFC1V182S Radial Lead
  • RS Stock No. 572-344
  • Mfr. Part No. EEUFC1V182S
Subtotal (1 pack of 5 units)
$17.05(exc. GST)
$3.41/unit
Last RS stock
Vishay 6800 μF Capacitor 16V dc, Radial, Through Hole - MAL219055682E3 Axial
  • RS Stock No. 238-5658
  • Mfr. Part No. MAL219055682E3
Subtotal (1 unit)
$8.34(exc. GST)
$8.34/unit
In Stock
Panasonic ERJP08 680 Ω, 1206 Thick Film Surface Mount Resistor ±1 % 0.66 W - ERJP08F6800V
  • RS Stock No. 721-9804
  • Mfr. Part No. ERJP08F6800V
Subtotal (1 pack of 5 units)
$1.22(exc. GST)
$0.244/unit
In Stock
TDK 22 nF Multilayer Ceramic Capacitor, 25V dc, ±10 %, Surface
  • RS Stock No. 242-7305
  • Mfr. Part No. C1005X7R1E223K050BB
Subtotal (1 pack of 100 units)
$3.50(exc. GST)
$0.035/unit
Temporarily out of stock
KEMET 4700 μF Capacitor 100V dc, Screw - ALS31A472DE100
  • RS Stock No. 172-6873
  • Mfr. Part No. ALS31A472DE100
Subtotal (1 box of 50 units)
$1,266.65(exc. GST)
$25.333/unit
In Stock
Renesas Electronics, 0.75MHz XO Oscillator, 25 ppm LVDS, 6-Pin VCXO XLH536016.000000I
  • RS Stock No. 216-6283P
  • Mfr. Part No. XLH536016.000000I
Subtotal 10 units (supplied on a continuous strip)
$17.15(exc. GST)
$1.715/unit
Currently unavailable
TE Connectivity, RN-0402 Thin Film, Surface 124 Resistor Kit
  • RS Stock No. 164-5037
  • Mfr. Part No. RN/0402-LOW-LAB-KIT
Subtotal (1 box of 10 units)
$10,116.84(exc. GST)
$1,011.684/unit
Last RS stock
KEMET F863 Film Capacitor X2, ±10 %, 100 nF 630 V dc 310V ac, Through Hole
  • RS Stock No. 144-7763
  • Mfr. Part No. F863BC104K310R
Subtotal (1 pack of 20 units)
$10.00(exc. GST)
$0.50/unit
Temporarily out of stock
Panasonic 22 μF Electrolytic Capacitor 80V, Surface
  • RS Stock No. 759-015
  • Mfr. Part No. EEHZC1K220P
Subtotal (1 pack of 5 units)
$16.87(exc. GST)
$3.374/unit
1
867
8485
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