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

161919 Products showing for Passive Components

Sort By
2431 of 999+
Temporarily out of stock
KEMET F161 Film Capacitor, ±10 %, 470 nF 63 V dc 40V ac, Surface
  • RS Stock No. 164-9529
  • Mfr. Part No. F161WP474K063V
Subtotal (1 reel of 800 units)
SGD2,960.00(exc. GST)
SGD3.70/unit
Temporarily out of stock
Yageo 4.7 kΩ Carbon Film Carbon Film Fixed Resistor 1.6 W 5 % CFR-12JT-52-4K7
  • RS Stock No. 199-1832
  • Mfr. Part No. CFR-12JT-52-4K7
Subtotal (1 box of 5000 units)
SGD95.00(exc. GST)
SGD0.019/unit
In Stock
Bourns, SRP7028AA, 7028 Shielded Power Inductor with a Metal Alloy Powder Core, 1 μH ±20 % 12 A Idc Q:10
  • RS Stock No. 247-6124
  • Mfr. Part No. SRP7028AA-1R0M
Subtotal (1 unit)
SGD1.56(exc. GST)
SGD1.56/unit
In Stock
TE Connectivity 3250 1 Ω, 2512 Thick Film Surface Mount Resistor ±5 % 1 W - 35201R0JT
  • RS Stock No. 161-4484
  • Mfr. Part No. 35201R0JT
Subtotal (1 reel of 4000 units)
SGD472.00(exc. GST)
SGD0.118/unit
In Stock
Panasonic ERJ B1 20 mΩ, 1020 Thick Film Resistor ±1 % 1 W - ERJB1CFR02U
  • RS Stock No. 228-0631
  • Mfr. Part No. ERJB1CFR02U
Subtotal (1 reel of 5000 units)
SGD4,360.00(exc. GST)
SGD0.872/unit
Temporarily out of stock
Panasonic ERJ B2 750 Ω, 0612 Thick Film Resistor ±1 % 0.75 W - ERJB2AF751V
  • RS Stock No. 228-0778
  • Mfr. Part No. ERJB2AF751V
Subtotal (1 reel of 5000 units)
SGD1,155.00(exc. GST)
SGD0.231/unit
In Stock
Bourns, 4100R 47 Ω 1 Ω ISOL Resistor Array, 8 Resistors, 2.25 W total, DIP, Solder
  • RS Stock No. 522-3214P
  • Mfr. Part No. 4116R-1-470LF
Subtotal 25 units (supplied in a tube)
SGD53.00(exc. GST)
SGD2.12/unit
Currently unavailable
TE Connectivity 8.2 kΩ Power Film Through Hole Fixed Resistor 35 W 1 %
  • RS Stock No. 195-5101
  • Mfr. Part No. MPT35C8K2F
Subtotal (1 tube of 50 units)
SGD531.50(exc. GST)
SGD10.63/unit
In Stock
Panasonic 220 μF Tantalum Capacitor 2.5V dc, TPE Series
  • RS Stock No. 230-6274
  • Mfr. Part No. 2R5TPE220MUB
Subtotal (1 tape of 5 units)
SGD7.30(exc. GST)
SGD1.46/unit
In Stock
KOA SG73P 62 Ω, 0603 Thick Film Surface Mount Resistor ±1 % 0.33 W - SG73P1JTTD62R0F
  • RS Stock No. 225-1765
  • Mfr. Part No. SG73P1JTTD62R0F
Subtotal (1 tape of 100 units)
SGD4.60(exc. GST)
SGD0.046/unit
Last RS stock
Vishay 82 Ω Thin Film Resistor 0.4 W 1 %
  • RS Stock No. 683-2926P
  • Mfr. Part No. MRS16000C8209FCT00
Subtotal 25 units (supplied on a continuous strip)
SGD3.40(exc. GST)
SGD0.136/unit
Temporarily out of stock
Wurth Elektronik, WE-MAPI, 3010 Shielded Surface Mount Inductor with a Composite Iron Powder Core, 2.2 μH ±20 % 1.4 A
  • RS Stock No. 792-2730
  • Mfr. Part No. 74438333022
Subtotal (1 unit)
SGD1.54(exc. GST)
SGD1.54/unit
In Stock
Murata 3.9 nF Multilayer Ceramic Capacitor, 50V dc, 5 %, Surface
  • RS Stock No. 247-7854
  • Mfr. Part No. GCM1885C1H392JA16D
Subtotal (1 tape of 100 units)
SGD4.20(exc. GST)
SGD0.042/unit
Temporarily out of stock
RS PRO 150 pF Mica Capacitor 500V ±1 % Tolerance Radial
  • RS Stock No. 495-767
Subtotal (1 pack of 5 units)
SGD40.45(exc. GST)
SGD8.09/unit
In Stock
Wurth Elektronik 10 pF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 263-4070
  • Mfr. Part No. 885012008037
Subtotal (1 tape of 50 units)
SGD8.40(exc. GST)
SGD0.168/unit
Temporarily out of stock
KYOCERA AVX 47 μF Tantalum Tantalum Capacitor 6.3V dc, Surface, TAJ Series
  • RS Stock No. 136-4608
  • Mfr. Part No. TAJB476K006RNJ
Subtotal (1 bag of 50 units)
SGD13.85(exc. GST)
SGD0.277/unit
In Stock
TE Connectivity, 3627, 3627 Unshielded Surface Mount Inductor with a Ferrite Core, 220 μH 10 % 65 mA Idc
  • RS Stock No. 171-277P
  • Mfr. Part No. 3627322520221K
Subtotal 20 units (supplied on a continuous strip)
SGD20.80(exc. GST)
SGD1.04/unit
In Stock
TDK, EHV 230 V dc 25 kA, Through Hole 3 Electrode Arrester Gas Discharge Tube
  • RS Stock No. 703-1070
  • Mfr. Part No. B88069X8740B502
Subtotal (1 unit)
SGD4.55(exc. GST)
SGD4.55/unit
In Stock
Panasonic E96 280 Ω, Tape & Reel Thin-Film Technology Thin Film Resistor ±0.1 % Surface 0.1 W - ERA3AEB2800V
  • RS Stock No. 782-503
  • Mfr. Part No. ERA3AEB2800V
Subtotal (1 tape of 10 units)
SGD0.64(exc. GST)
SGD0.064/unit
In Stock
Wurth Elektronik 470 μF Capacitor 10V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 839-7210P
  • Mfr. Part No. 860010273011
Subtotal 25 units (supplied as a tape)
SGD5.60(exc. GST)
SGD0.224/unit
1
2431
8096
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