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 be: 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 component that can gather and hold a charge in a way that is similar to how a battery functions. The capacitor is made of 2 close conductors (usually plates) that are separated by a dielectric material. The plates accumulate electric charge when connected to power source. One plate accumulates positive charge and the other plate accumulates 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

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 its 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 device 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, such as windings from a transformer and inductors. It is useful because it offers low electrical conductivity along with high magnetic permeability.

  • Surge Protection Components

Surge protectors are a part of nearly every home and office today. They provide your expensive electronic devices with added protection against surges of electricity, which would ultimately destroy them.

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

154991 Products showing for Passive Components

103 of 999+
EPCOS 4.7 mH ±5% Ferrite Leaded Inductor, Max SRF:700kHz, Q:35, 55mA Idc, 78Ω Rdc, BC
  • RS Stock No. 801-9746
  • Mfr. Part No. B78148S1475J000
Each (In a Bag of 10)
£0.13
TE Connectivity RLP73 270mΩ, 2512 (6432M) Metal Strip SMD Resistor ±5% 2W
  • RS Stock No. 807-7238
  • Mfr. Part No. RLP73K3AR27JTE
Each (In a Pack of 20)
£0.164
Vishay 47Ω Metal Film Resistor 1W ±5% PR01000104709JA100
  • RS Stock No. 683-5515
  • Mfr. Part No. PR01000104709JA100
Each (In a Pack of 10)
£0.132
Epson 24MHz Crystal Unit ±10ppm TSX-3225 4-Pin 3.2 x 2.5 x 0.6mm
  • RS Stock No. 904-7522
  • Mfr. Part No. X1E000021012912
Each (In a Bag of 5)
£1.466
Fair-Rite Ferrite Core
  • RS Stock No. 466-9120
  • Mfr. Part No. 0431167281
Each
£2.15
Taoglas AA.162.301111 Square GPS Antenna with SMA Connector
  • RS Stock No. 285-7132
  • Mfr. Part No. AA.162.301111
Each
£14.50
KEMET 100nF Multilayer Ceramic Capacitor MLCC 50V dc ±20% Z5U Dielectric Radial, Max. Temp. +85°C
  • RS Stock No. 538-1449
  • Mfr. Part No. C322C104M5U5TA
Each (In a Pack of 5)
£0.202
TE Connectivity 1.5kΩ Carbon Film Resistor 0.33W ±5% CFR25J1K5
  • RS Stock No. 131-277P
  • Mfr. Part No. CFR25J1K5
Each (Supplied as a Tape)
£0.041
TE Connectivity 19.6kΩ Metal Film Resistor 0.25W ±0.1% YR1B19K6CC
  • RS Stock No. 755-1079
  • Mfr. Part No. YR1B19K6CC
Each (In a Pack of 5)
£0.80
Panasonic 180Ω, 0805 (2012M) Thick Film SMD Resistor ±5% 0.5W
  • RS Stock No. 228-5136
  • Mfr. Part No. ERJHP6J181V
Each (On a Tape of 100)
£0.037
CSTLS8M00G53-A0 , Ceramic Resonator, 8MHz Shear 15pF, 3-Pin, 8 x 3 x 6mm
  • RS Stock No. 721-4900
  • Mfr. Part No. CSTLS8M00G53-A0
Each (In a Pack of 10)
£0.117
EPCOS 10 μH ±10% Ferrite Leaded Inductor, Max SRF:35MHz, Q:70, 680mA Idc, 490mΩ Rdc, BC
  • RS Stock No. 191-0481
  • Mfr. Part No. B78108S1103K000
Each (In a Pack of 10)
£0.121
Wurth Elektronik 10μF Multilayer Ceramic Capacitor MLCC, 50V dc V, SMD
  • RS Stock No. 257-1123
  • Mfr. Part No. 885012209073
Each (On a Tape of 10)
£1.663
Murata 4.7μF Multilayer Ceramic Capacitor MLCC, 50V dc V, ±15% , Through Hole
  • RS Stock No. 841-0742
  • Mfr. Part No. RCER71H475K3K1H03B
Each (In a Pack of 5)
£0.868
Wurth Elektronik 100μF Aluminium Electrolytic Capacitor 16V dc, Radial, Through Hole - 860160372011
  • RS Stock No. 839-4312
  • Mfr. Part No. 860160372011
Each (In a Pack of 25)
£0.116
TE Connectivity 1.2kΩ Carbon Film Resistor 0.25W ±5% CFR16J1K2
  • RS Stock No. 135-853
  • Mfr. Part No. CFR16J1K2
Each (In a Pack of 10)
£0.064
Bourns 6639 1kΩ Rotary Potentiometer Continuous-Turns 1-Gang Panel Mount, 6639S-1-102
  • RS Stock No. 164-2649
  • Mfr. Part No. 6639S-1-102
Each
£15.85
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 737-7748
  • Mfr. Part No. PEC11R-4215F-S0024
Each
£1.51
Nichicon 2200μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - UPS1E222MHD
  • RS Stock No. 519-4100
  • Mfr. Part No. UPS1E222MHD
Each (In a Pack of 5)
£0.958
RS PRO 220μF Aluminium Electrolytic Capacitor 16V dc, Radial, Through Hole
  • RS Stock No. 181-5399
Each (In a Pack of 100)
£0.075
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