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

163886 Products showing for Passive Components

Sort By
7842 of 999+
Temporarily out of stock
KEMET 680 μF Capacitor 400V dc, Snap-in
  • RS Stock No. 176-2522
  • Mfr. Part No. ALA7DA681DE400
Subtotal (1 unit)
SGD18.55(exc. GST)
SGD18.55/unit
In Stock
KEMET R76_125C Film Capacitor, ±5 %, 820 pF 2 kV dc 700V ac, Through Hole
  • RS Stock No. 192-8668
  • Mfr. Part No. R76UI082050H4J
Subtotal (1 pack of 25 units)
SGD14.075(exc. GST)
SGD0.563/unit
In Stock
Wurth Elektronik 100 μF Through Hole Polymer Capacitor, 16V dc
  • RS Stock No. 839-2136
  • Mfr. Part No. 870025374001
Subtotal (1 pack of 5 units)
SGD4.89(exc. GST)
SGD0.978/unit
Temporarily out of stock
KEMET 220 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 146-6252
  • Mfr. Part No. C0402C221J5GACTU
Subtotal (1 reel of 10000 units)
SGD130.00(exc. GST)
SGD0.013/unit
Currently unavailable
Yageo 220 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 198-8114
  • Mfr. Part No. CC0805KKX7R9BB224
Subtotal (1 tape of 100 units)
SGD8.20(exc. GST)
SGD0.082/unit
Last RS stock
Vishay CRCW 4.22 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % Surface 0.13 W - CRCW08054K22FKEA
  • RS Stock No. 182-5243
  • Mfr. Part No. CRCW08054K22FKEA
Subtotal (1 reel of 1000 units)
SGD23.00(exc. GST)
SGD0.023/unit
In Stock
KEMET 100 nF Multilayer Ceramic Capacitor, 100V dc, ±10 %, Surface
  • RS Stock No. 133-5643
  • Mfr. Part No. C0805C104K1RACAUTO
Subtotal (1 pack of 100 units)
SGD9.50(exc. GST)
SGD0.095/unit
In Stock
Panasonic ERA 56 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % 0.1 W - ERA3AEB563V
  • RS Stock No. 743-2748
  • Mfr. Part No. ERA3AEB563V
Subtotal (1 reel of 5000 units)
SGD360.00(exc. GST)
SGD0.072/unit
Currently unavailable
TE Connectivity 3550 3.3 Ω, 4320 Thick Film Surface Mount Resistor ±5 % 5 W - 35503R3JT
  • RS Stock No. 186-6375
  • Mfr. Part No. 35503R3JT
Subtotal (1 tape of 10 units)
SGD20.10(exc. GST)
SGD2.01/unit
In Stock
Panasonic 680 μF Capacitor 16V dc, Surface Solder - EEEFT1C681GP 500
  • RS Stock No. 133-1984
  • Mfr. Part No. EEEFT1C681GP
Subtotal (1 pack of 5 units)
SGD6.92(exc. GST)
SGD1.384/unit
In Stock
Yageo AC 2.2 kΩ, 1206 Thick Film Resistor ±1 % 0.25 W - AC1206FR-072K2L
  • RS Stock No. 197-8296
  • Mfr. Part No. AC1206FR-072K2L
Subtotal (1 tape of 100 units)
SGD3.10(exc. GST)
SGD0.031/unit
In Stock
Wurth Elektronik WCAP-FTX2 Film Capacitor X2, ±10 %, 150 nF 275 V dc 275V ac, Through Hole
  • RS Stock No. 123-4086
  • Mfr. Part No. 890324025022
Subtotal (1 pack of 50 units)
SGD27.20(exc. GST)
SGD0.544/unit
Currently unavailable
KEMET R41B Film Capacitor, ±10 %, 68 nF 350 V dc 350V ac, Through Hole
  • RS Stock No. 238-5203P
  • Mfr. Part No. R41BW368050T0K
Subtotal 1 unit (supplied in a tray)
SGD7.31(exc. GST)
SGD7.31/unit
In Stock
Arcol Ohmite 909 kΩ Metal Film Resistor 0.25 W 0.1 % MRA0207909KBTA015
  • RS Stock No. 487-8807P
  • Mfr. Part No. MRA0207909KBTA015
Subtotal 5 units (supplied as a tape)
SGD6.57(exc. GST)
SGD1.314/unit
In Stock
KEMET PHE448 Film Capacitor, ±5 %, 10 nF 1.6 kV dc 700V ac, Through Hole
  • RS Stock No. 616-7783P
  • Mfr. Part No. PHE448RB5100JR06
Subtotal 10 units (supplied in a box)
SGD19.00(exc. GST)
SGD1.90/unit
Temporarily out of stock
KEMET 26.2 mH 800 mA Common Mode Choke 880 mΩ 250V
  • RS Stock No. 186-0812
  • Mfr. Part No. SSHB21H-08262
Subtotal (1 box of 60 units)
SGD170.28(exc. GST)
SGD2.838/unit
Temporarily out of stock
Murata, LQP, 0201 Shielded Surface Mount Inductor with a Non-Magnetic Core Core, 3.3 nH Film ±0.1 nH 450 mA Idc Q:14
  • RS Stock No. 106-5351
  • Mfr. Part No. LQP03TN3N3B02D
Subtotal (1 pack of 200 units)
SGD6.60(exc. GST)
SGD0.033/unit
In Stock
Yageo 220 nF Multilayer Ceramic Capacitor, 10V dc, ±10 %, Surface
  • RS Stock No. 200-6567
  • Mfr. Part No. CC0603KRX7R6BB224
Subtotal (1 tape of 250 units)
SGD10.25(exc. GST)
SGD0.041/unit
Temporarily out of stock
KEMET 220 nF Multilayer Ceramic Capacitor, 10V dc, ±10 %, Surface
  • RS Stock No. 146-6257
  • Mfr. Part No. C0603C224K8RACTU
Subtotal (1 reel of 4000 units)
SGD96.00(exc. GST)
SGD0.024/unit
In Stock
IQD 6 MHz Crystal Unit ±20 ppm Surface Mount 2-Pin 4.3 mm 11.4 mm 4.9mm
  • RS Stock No. 148-4335
  • Mfr. Part No. LFXTAL026900
Subtotal (1 pack of 50 units)
SGD27.15(exc. GST)
SGD0.543/unit
1
7842
8195
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