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.

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Antennas
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Capacitors
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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
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Surge Protection Components
Variable Resistors
Variable Resistors

163762 Products showing for Passive Components

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1958 of 999+
Temporarily out of stock
TE Connectivity 137 kΩ Metal Film Resistor 0.25 W 0.1 % YR1B137KCC
  • RS Stock No. 755-0861
  • Mfr. Part No. YR1B137KCC
Subtotal (1 pack of 5 units)
SGD5.89(exc. GST)
SGD1.178/unit
In Stock
Panasonic ECWF(A) Film Capacitor, ±5 %, 470 nF 450 V dc, Through Hole
  • RS Stock No. 727-0111
  • Mfr. Part No. ECWF2W474JAQ
Subtotal (1 pack of 5 units)
SGD7.05(exc. GST)
SGD1.41/unit
In Stock
Abracon 20 MHz Crystal ±20 ppm HC-49 4.2 mm 11.4 mm 4.7mm
  • RS Stock No. 171-0586
  • Mfr. Part No. ABLS-20.000MHZ-B2-T
Subtotal (1 pack of 25 units)
SGD6.50(exc. GST)
SGD0.26/unit
Last RS stock
TE Connectivity CPF 2.74 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % Surface 0.06 W - CPF0603B2K74E1
  • RS Stock No. 122-8793
  • Mfr. Part No. CPF0603B2K74E1
Subtotal (1 bag of 20 units)
SGD10.30(exc. GST)
SGD0.515/unit
In Stock
Murata, LQG15HN, 0402 Shielded Multilayer Surface Mount Inductor 2.7 nH Multilayer ±5 % 300 mA Idc Q:8
  • RS Stock No. 104-8568
  • Mfr. Part No. LQG15HN2N7S02D
Subtotal (1 pack of 200 units)
SGD8.40(exc. GST)
SGD0.042/unit
In Stock
TDK 3 pF Multilayer Ceramic Capacitor, 50V dc, 0.25 pF, Surface
  • RS Stock No. 179-5902
  • Mfr. Part No. CGA2B2NP01H030C050BA
Subtotal (1 reel of 1000 units)
SGD31.00(exc. GST)
SGD0.031/unit
Last RS stock
KOA RN73H 1 kΩ, 0805 Thin Film Surface Mount Resistor ±0.1 % Surface 0.13 W - RN73H2ATTD1001B25
  • RS Stock No. 187-8017
  • Mfr. Part No. RN73H2ATTD1001B25
Subtotal (1 tape of 50 units)
SGD14.95(exc. GST)
SGD0.299/unit
In Stock
Wurth Elektronik 8 MHz Crystal ±20 ppm SMT 4-Pin 1.2 mm 7.2 mm 5.2mm
  • RS Stock No. 197-718
  • Mfr. Part No. 830059082
Subtotal (1 tape of 10 units)
SGD20.40(exc. GST)
SGD2.04/unit
Temporarily out of stock
Murata 12 pF Multilayer Ceramic Capacitor, 25V dc, ±2 %, Surface
  • RS Stock No. 185-1497
  • Mfr. Part No. GRM0335C1E120GA01D
Subtotal (1 reel of 15000 units)
SGD45.00(exc. GST)
SGD0.003/unit
Last RS stock
TDK 2.2 nF Multilayer Ceramic Capacitor, 250V dc, ±5 %, Surface
  • RS Stock No. 179-5596
  • Mfr. Part No. CGA3E3C0G2E222J080AA
Subtotal (1 reel of 500 units)
SGD37.50(exc. GST)
SGD0.075/unit
Temporarily out of stock
Bourns, SDR0604, 0604 Unshielded Wirewound Surface Mount Inductor with a Ferrite DR Core, 33 μH Ferrite Core ±10 % 880
  • RS Stock No. 180-8888
  • Mfr. Part No. SDR0604-330KL
Subtotal (1 reel of 400 units)
SGD144.00(exc. GST)
SGD0.36/unit
Temporarily out of stock
KEMET 10 μF Multilayer Ceramic Capacitor, 10V dc, ±10 %, Surface
  • RS Stock No. 146-6550
  • Mfr. Part No. C0805C106K8PACTU
Subtotal (1 reel of 3000 units)
SGD138.00(exc. GST)
SGD0.046/unit
In Stock
KEMET 1 F Supercapacitor -20 to 80 % Tolerance, Supercap FG 5.5V dc, Through Hole
  • RS Stock No. 789-7987
  • Mfr. Part No. FG0H105ZF
Subtotal (1 unit)
SGD6.66(exc. GST)
SGD6.66/unit
Stocked by manufacturer
Phoenix Contact Industrial Networking Mounting Bracket 1175556
  • RS Stock No. 243-9621
  • Mfr. Part No. 1175556
Subtotal (1 unit)
SGD31.55(exc. GST)
SGD31.55/unit
Temporarily out of stock
TDK, Standard Metal Oxide Varistor 2.1 nF 5 A, Clamping 2970 V, Varistor 68 V
  • RS Stock No. 138-9263
  • Mfr. Part No. B72210S0400K101
Subtotal (1 bag of 20 units)
SGD6.56(exc. GST)
SGD0.328/unit
Temporarily out of stock
Yageo 1 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 198-5322
  • Mfr. Part No. AC0603KRX7R9BB102
Subtotal (1 reel of 4000 units)
SGD152.00(exc. GST)
SGD0.038/unit
In Stock
TDK 33000 μF Capacitor 100V, Screw - B41456B9339M600
  • RS Stock No. 209-8659
  • Mfr. Part No. B41456B9339M600
Subtotal (1 unit)
SGD140.83(exc. GST)
SGD140.83/unit
In Stock
Wurth Elektronik, WE-MK, 0603 Shielded Multilayer Surface Mount Inductor with a Ceramic Core, 100 nH Multilayer ±2 % 300
  • RS Stock No. 245-8516
  • Mfr. Part No. 7447860210G
Subtotal (1 tape of 10 units)
SGD1.37(exc. GST)
SGD0.137/unit
In Stock
Samsung Electro-Mechanics 27 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 766-5058
  • Mfr. Part No. CL10C270JB8NNNC
Subtotal (1 reel of 4000 units)
SGD28.00(exc. GST)
SGD0.007/unit
Temporarily out of stock
Panasonic 220 μF Capacitor 6.3V dc, Surface - EEEFN0J221L
  • RS Stock No. 262-4858
  • Mfr. Part No. EEEFN0J221L
Subtotal (1 reel of 1000 units)
SGD245.00(exc. GST)
SGD0.245/unit
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