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

161953 Products showing for Passive Components

Sort By
1791 of 999+
Currently unavailable
Murata 100 nF Multilayer Ceramic Capacitor, 6.3V dc, ±10 %, Surface
  • RS Stock No. 185-1574
  • Mfr. Part No. GRM033C80J104KE15D
Subtotal (15000 units, on reels of 15000)
SGD45.00(exc. GST)
SGD0.003/unit
Temporarily out of stock
Schaffner, FN3256 8 A 480V ac 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase
  • RS Stock No. 766-2649
  • Mfr. Part No. FN3256H-8-29
Subtotal (1 unit)
SGD238.24(exc. GST)
SGD238.24/unit
In Stock
Yageo 5.6 pF Multilayer Ceramic Capacitor, 50V dc, 0.25 pF, Surface
  • RS Stock No. 199-2135
  • Mfr. Part No. CC0402CRNPO9BN5R6
Subtotal (1000 units, on tapes of 1000)
SGD12.00(exc. GST)
SGD0.012/unit
In Stock
Yageo RC_L 560 Ω, 0402 Thick Film Surface Mount Resistor ±1 % 0.06 W - RC0402FR-07560RL
  • RS Stock No. 198-7825
  • Mfr. Part No. RC0402FR-07560RL
Subtotal (10000 units, on reels of 10000)
SGD30.00(exc. GST)
SGD0.003/unit
Temporarily out of stock
Vishay 4.7 μF Tantalum Tantalum Capacitor 4V dc, Surface, TMCJ Series
  • RS Stock No. 188-2363P
  • Mfr. Part No. TMCJ0G475MTRF
Subtotal (20 units, supplied on a continuous strip)
SGD11.76(exc. GST)
SGD0.588/unit
In Stock
Vishay MMA0204 12 Ω, 0204 Thin Film Surface Mount Resistor ±1 % 0.25 W
  • RS Stock No. 678-7201P
  • Mfr. Part No. MMA02040C1209FB300
Subtotal (25 units, supplied on a continuous strip)
SGD1.70(exc. GST)
SGD0.068/unit
Currently unavailable
Murata, LQW, 1210 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 10 μH ±20 % 700 mA Idc
  • RS Stock No. 183-3469P
  • Mfr. Part No. LQW32FT100M0HL
Subtotal (10 units, supplied on a continuous strip)
SGD11.06(exc. GST)
SGD1.106/unit
In Stock
Wurth Elektronik 10 nF Multilayer Ceramic Capacitor, 500V dc, ±10 %, Surface
  • RS Stock No. 192-7650
  • Mfr. Part No. 885342207014
Subtotal (100 units, in packs of 100)
SGD9.00(exc. GST)
SGD0.09/unit
In Stock
Yageo 22 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 199-2172
  • Mfr. Part No. CC0402JRNPO9BN220
Subtotal (1000 units, on tapes of 1000)
SGD9.00(exc. GST)
SGD0.009/unit
In Stock
Bourns, SRU1038, 7032 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 100 μH ±30 % 1.3 A Idc Q:24
  • RS Stock No. 122-9186
  • Mfr. Part No. SRU1038-101Y
Subtotal (10 units, in packs of 10)
SGD9.18(exc. GST)
SGD0.918/unit
In Stock
KEMET R41-T Film Capacitor Y2/X1 (IEC 60384-14), ±10 %, 22 nF 1.5 kV dc 300V ac, Through Hole
  • RS Stock No. 197-2045
  • Mfr. Part No. R413I222050T0K
Subtotal (20 units, in packs of 20)
SGD11.06(exc. GST)
SGD0.553/unit
In Stock
Yageo RC 120 Ω, 0603 Thick Film Surface Mount Fixed Resistor ±5 % 0.1 W
  • RS Stock No. 242-4206P
  • Mfr. Part No. RC0603JR-07120RL
Subtotal (100 units, supplied on a continuous strip)
SGD0.70(exc. GST)
SGD0.007/unit
Currently unavailable
Broadcom 5V dc Optical Encoder, Surface
  • RS Stock No. 796-7806P
  • Mfr. Part No. AEDB-9140-A13
Subtotal (1 unit, supplied in a bag)
SGD79.88(exc. GST)
SGD79.88/unit
In Stock
KEMET 1 nF Multilayer Ceramic Capacitor, 25V dc, ±5 %, Through Hole Radial
  • RS Stock No. 136-5585
  • Mfr. Part No. C315C102J3H5TA91707301
Subtotal (10 units, in packs of 10)
SGD4.18(exc. GST)
SGD0.418/unit
In Stock
Yageo RC 12 kΩ, 1206 Thick Film Surface Mount Fixed Resistor ±1 % 0.25 W
  • RS Stock No. 242-7141P
  • Mfr. Part No. RC1206FR-0712KL
Subtotal (100 units, supplied on a continuous strip)
SGD3.40(exc. GST)
SGD0.034/unit
In Stock
KYOCERA AVX 47 nF Multilayer Ceramic Capacitor, 100V dc, ±10 %, Surface
  • RS Stock No. 136-4249
  • Mfr. Part No. 12061C473KAZ2A
Subtotal (50 units, in bags of 50)
SGD16.15(exc. GST)
SGD0.323/unit
Temporarily out of stock
Panasonic 47 μF Electrolytic Capacitor 50V, Radial - EEUFC1H470H Radial
  • RS Stock No. 759-032P
  • Mfr. Part No. EEUFC1H470H
Subtotal (5 units, supplied as a tape)
SGD1.79(exc. GST)
SGD0.358/unit
Limited stock
Panasonic 220 μF Capacitor 25V dc, Radial, Through Hole - EEUHD1E221 Radial Lead
  • RS Stock No. 744-2032
  • Mfr. Part No. EEUHD1E221
Subtotal (5 units, in packs of 5)
SGD6.14(exc. GST)
SGD1.228/unit
Temporarily out of stock
Eaton 6 F Supercapacitor -10 to 30 % Tolerance, TV 3V dc, Through Hole
  • RS Stock No. 135-1089
  • Mfr. Part No. TV1020-3R0605-R
Subtotal (1 unit)
SGD4.09(exc. GST)
SGD4.09/unit
Temporarily out of stock
Yageo RC_L 22 kΩ, 0402 Thick Film Surface Mount Resistor ±5 % 0.06 W - RC0402JR-0722KL
  • RS Stock No. 198-7930
  • Mfr. Part No. RC0402JR-0722KL
Subtotal (10000 units, on reels of 10000)
SGD30.00(exc. GST)
SGD0.003/unit
1
1791
8098
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