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

158937 Products showing for Passive Components

86 of 999+
In Stock
WJ Furse, ESP D/TN Surge Suppressor Unit 19V Maximum Voltage Rating 20 kA Maximum Surge Current Twisted Pair Surge
  • RS Stock No. 198-0424
  • Mfr. Part No. 7TCA085400R0089 ESP 15D
Subtotal (1 unit)
SGD247.02(exc. GST)
SGD247.02/unit
In Stock
KEMET 10 μF MnO2 Tantalum Capacitor 20V dc, Surface, T491 Series
  • RS Stock No. 801-5489
  • Mfr. Part No. T491A106M020AT
Subtotal (1 pack of 10 units)
SGD3.91(exc. GST)
SGD0.391/unit
Temporarily out of stock
Murata 1 μF Multilayer Ceramic Capacitor, 6.3V dc, ±10 %, Surface
  • RS Stock No. 247-7995
  • Mfr. Part No. GRM155R70J105KA12D
Subtotal (1 reel of 10000 units)
SGD150.00(exc. GST)
SGD0.015/unit
In Stock
TE Connectivity 50 Ω Metal Film Resistor 0.25 W 0.1 % UPF25B50RV
  • RS Stock No. 807-3790
  • Mfr. Part No. UPF25B50RV
Subtotal (1 unit)
SGD6.83(exc. GST)
SGD6.83/unit
In Stock
KEMET C27 Film Capacitor, ±5 %, 2 μF 470V ac, Through Hole
  • RS Stock No. 181-0242
  • Mfr. Part No. C274AC34200AA0J
Subtotal (1 bag of 162 units)
SGD633.258(exc. GST)
SGD3.909/unit
In Stock
Bourns 24 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 737-7739
  • Mfr. Part No. PEC11R-4015F-S0024
Subtotal (1 unit)
SGD2.97(exc. GST)
SGD2.97/unit
In Stock
TDK, StandardD Metal Oxide Varistor 440 pF 50 A, Clamping 710 V, Varistor 430 V
  • RS Stock No. 241-6761
  • Mfr. Part No. B72214S0271K151
Subtotal (1 bag of 1000 units)
SGD500.00(exc. GST)
SGD0.50/unit
In Stock
KEMET PME271 Paper Capacitor X2 250V ac 250 V dc, Through Hole
  • RS Stock No. 210-601
  • Mfr. Part No. PME271Y533MR30
Subtotal (1 pack of 5 units)
SGD14.20(exc. GST)
SGD2.84/unit
Temporarily out of stock
Littelfuse, LA Varistor Metal Oxide Varistor 250 pF 50 A, Clamping 2700 V, Varistor 910 V, Radial
  • RS Stock No. 170-9924
  • Mfr. Part No. V510LA40AP
Subtotal (1 bag of 500 units)
SGD348.50(exc. GST)
SGD0.697/unit
In Stock
Arcol HS300 22R J, 22 Ω 300 W Aluminium Chassis Mount Resistor ±5 %
  • RS Stock No. 136-317
  • Mfr. Part No. HS300 22R J
Subtotal (1 unit)
SGD61.56(exc. GST)
SGD61.56/unit
In Stock
RS PRO, 10 Ω 1 kW NiCr Alloy Chassis Mount Resistor 5 %
  • RS Stock No. 238-3237
Subtotal (1 unit)
SGD221.19(exc. GST)
SGD221.19/unit
Currently unavailable
WIMA MKS4 Film Capacitor 100 nF 200V ac 400 V dc, Through Hole
  • RS Stock No. 171-0769
  • Mfr. Part No. MKS4G031003F00KI00
Subtotal (1 reel of 700 units)
SGD219.80(exc. GST)
SGD0.314/unit
In Stock
ABB, OVR Surge Protection Device 275V Maximum Voltage Rating 80 kA Maximum Surge Current Surge Protection Device
  • RS Stock No. 175-2598
  • Mfr. Part No. 2CTB815708R0200 OVR T2 1N 80-275s P TS QS
Subtotal (1 unit)
SGD575.57(exc. GST)
SGD575.57/unit
In Stock
Essentra Openable, Diameter 10.9 mm Ferrite Sleeve, Apertures: 1 18.6 mm 26.6 mm, For Computer Peripherals
  • RS Stock No. 222-4416
  • Mfr. Part No. MTFC 231114T
Subtotal (1 unit)
SGD16.64(exc. GST)
SGD16.64/unit
In Stock
KEMET PZB300 Paper Capacitor X2 + 2xY2 275V ac 275 V dc, Through Hole
  • RS Stock No. 121-5449
  • Mfr. Part No. PZB300MC11R30
Subtotal (1 unit)
SGD7.02(exc. GST)
SGD7.02/unit
In Stock
TE Connectivity 10 Ω Wirewound Resistor 7 W 5 % SBCHE610RJ
  • RS Stock No. 206-0802
  • Mfr. Part No. SBCHE610RJ
Subtotal (1 pack of 5 units)
SGD7.03(exc. GST)
SGD1.406/unit
In Stock
Panasonic 1500 μF Capacitor 16V dc, Radial, Through Hole - EEUFC1C152S Radial Lead
  • RS Stock No. 571-937
  • Mfr. Part No. EEUFC1C152S
Subtotal (1 pack of 5 units)
SGD11.77(exc. GST)
SGD2.354/unit
In Stock
Vishay RH0508R000FE02, 8 Ω 50 W Wirewound Panel Mount Fixed Resistor ±1 %
  • RS Stock No. 845-9996
  • Mfr. Part No. RH0508R000FE02
Subtotal (1 unit)
SGD16.88(exc. GST)
SGD16.88/unit
In Stock
100 Ω, Through Hole Trimmer Potentiometer, Pin 0.75 W Side Adjust Bourns, 3006
  • RS Stock No. 521-9029
  • Mfr. Part No. 3006P-1-101LF
Subtotal (1 unit)
SGD3.06(exc. GST)
SGD3.06/unit
In Stock
Welwyn 33 Ω Wirewound Resistor 10.5 W 5 %
  • RS Stock No. 144-3060
  • Mfr. Part No. W23-33RJI
Subtotal (1 bag of 5 units)
SGD36.86(exc. GST)
SGD7.372/unit
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