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

161113 Products showing for Passive Components

Sort By
1713 of 999+
In Stock
Vishay TNPU 33 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % 0.1 W - TNPU060333K0BZEN00
  • RS Stock No. 170-1910
  • Mfr. Part No. TNPU060333K0BZEN00
Subtotal (1 reel of 1000 units)
SGD1,444.00(exc. GST)
SGD1.444/unit
Last RS stock
TE Connectivity CRGP 220 Ω, 2512 Thick Film Surface Mount Resistor ±1 % Surface 2 W - CRGP2512F220R
  • RS Stock No. 176-4518
  • Mfr. Part No. CRGP2512F220R
Subtotal (1 reel of 500 units)
SGD132.50(exc. GST)
SGD0.265/unit
Temporarily out of stock
Vishay MMA 510 Ω, 0204 Thin Film Surface Mount Resistor ±1 % 0.25 W - MMA02040C5100FB300
  • RS Stock No. 180-3826
  • Mfr. Part No. MMA02040C5100FB300
Subtotal (1 reel of 500 units)
SGD34.50(exc. GST)
SGD0.069/unit
In Stock
RS PRO 47 kΩ Metal Film Resistor 0.4 W 0.25 %
  • RS Stock No. 174-2792
Subtotal (1 pack of 100 units)
SGD11.20(exc. GST)
SGD0.112/unit
Last RS stock
Vishay CRCW 820 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W - CRCW1206820KFKEA
  • RS Stock No. 169-4969
  • Mfr. Part No. CRCW1206820KFKEA
Subtotal (1 reel of 5000 units)
SGD135.00(exc. GST)
SGD0.027/unit
Temporarily out of stock
Bourns CRS 1 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % 0.25 W - CRS0805-FX-1001ELF
  • RS Stock No. 167-0013
  • Mfr. Part No. CRS0805-FX-1001ELF
Subtotal (1 reel of 5000 units)
SGD200.00(exc. GST)
SGD0.04/unit
Temporarily out of stock
Rubycon 4.7 μF Capacitor 450V dc, Through Hole Radial Lead
  • RS Stock No. 172-8000
  • Mfr. Part No. 450BXC4R7MEFC10X16
Subtotal (1 box of 1000 units)
SGD467.00(exc. GST)
SGD0.467/unit
Temporarily out of stock
Nichicon 150 μF Capacitor 50V dc, Surface Solder - UWZ1H151MCL1GS
  • RS Stock No. 167-1021
  • Mfr. Part No. UWZ1H151MCL1GS
Subtotal (1 reel of 500 units)
SGD201.50(exc. GST)
SGD0.403/unit
In Stock
RS PRO 1500 μF Capacitor 35V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 170-1234
Subtotal (1 bag of 250 units)
SGD172.25(exc. GST)
SGD0.689/unit
Temporarily out of stock
KEMET 27 kΩ Wire Wound on A Ceramic Core Resistor 13 W 5 % PYR7511/27
  • RS Stock No. 170-0064
  • Mfr. Part No. PYR7511/27
Subtotal (1 box of 140 units)
SGD1,050.42(exc. GST)
SGD7.503/unit
Temporarily out of stock
Microchip 150 MHz Oscillator, 4-Pin CDFN ±50 ppm DSC1001DI1-024.0000
  • RS Stock No. 177-1771
  • Mfr. Part No. DSC1001DI1-024.0000
Subtotal (1 pack of 5 units)
SGD10.36(exc. GST)
SGD2.072/unit
In Stock
Yageo RC_L 470 kΩ, 0402 Thick Film Surface Mount Resistor ±5 % 0.06 W - RC0402JR-07470KL
  • RS Stock No. 198-7973
  • Mfr. Part No. RC0402JR-07470KL
Subtotal (1 tape of 100 units)
SGD0.70(exc. GST)
SGD0.007/unit
Last RS stock
Vishay, 100 μΩ 36 W Metal Strip Chassis Mount Resistor ±5 %
  • RS Stock No. 177-1537
  • Mfr. Part No. WSBS8518L1000JK14
Subtotal (1 unit)
SGD23.30(exc. GST)
SGD23.30/unit
In Stock
Yageo RC_L 4.99 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.2 W - RC0603FR-074K99L
  • RS Stock No. 199-5596
  • Mfr. Part No. RC0603FR-074K99L
Subtotal (1 tape of 100 units)
SGD0.90(exc. GST)
SGD0.009/unit
Temporarily out of stock
Yageo RC_L 3.01 kΩ, 0402 Thick Film Surface Mount Resistor ±1 % 0.06 W - RC0402FR-073K01L
  • RS Stock No. 198-7775
  • Mfr. Part No. RC0402FR-073K01L
Subtotal (1 reel of 10000 units)
SGD30.00(exc. GST)
SGD0.003/unit
Temporarily out of stock
Murata NTC Thermistor, NTC Type 2.2 kΩ, 0603 0.8 mm 1.6 mm 0.8 mm
  • RS Stock No. 181-1364
  • Mfr. Part No. NCP18XW222E03RB
Subtotal (1 reel of 500 units)
SGD66.50(exc. GST)
SGD0.133/unit
Temporarily out of stock
KEMET 470 nF Multilayer Ceramic Capacitor, 250V dc, ±10 %, Surface
  • RS Stock No. 175-7672
  • Mfr. Part No. C1210X474KARACAUTO
Subtotal (1 reel of 1000 units)
SGD1,690.00(exc. GST)
SGD1.69/unit
Temporarily out of stock
Panasonic ERJU 3.9 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W - ERJU08F3901V
  • RS Stock No. 172-3998
  • Mfr. Part No. ERJU08F3901V
Subtotal (1 reel of 4000 units)
SGD240.00(exc. GST)
SGD0.06/unit
Currently unavailable
KEMET R79 Film Capacitor, ±5 %, 47 nF 400 V dc 200V ac, Through Hole
  • RS Stock No. 171-9295
  • Mfr. Part No. R79MC2470Z340J
Subtotal (1 pack of 10 units)
SGD7.06(exc. GST)
SGD0.706/unit
Currently unavailable
Vishay SMM0204 100 Ω, 0204 Thin Film Surface Mount Resistor ±1 % 0.25 W - SMM02040C1000FB300
  • RS Stock No. 170-8648
  • Mfr. Part No. SMM02040C1000FB300
Subtotal (1 reel of 3000 units)
SGD156.00(exc. GST)
SGD0.052/unit
1
1713
8056
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