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

152704 Products showing for Passive Components

2203 of 999+
Wurth, 784383, 2512HT Shielded Wire-wound SMD Inductor with a Magnetic Iron Alloy Core, 1.2 μH ±20% Shielded 3.5A Idc
  • RS Stock No. 427-166
  • Mfr. Part No. 78438324012HT
Each (On a Reel of 3000)
£1.155
Vishay Thick Film Resistor ±5% 35W
  • RS Stock No. 298-810
  • Mfr. Part No. D2TO035M16000JTE3
Each
£8.11
EPCOS, Standard Metal Oxide Varistor 2.1nF 5A, Clamping 135V, Varistor 68V
  • RS Stock No. 138-6041
  • Mfr. Part No. B72210S0400K101
Each (In a Box of 500)
£0.166
Wurth, WE-HCF, 2013 Shielded Wire-wound SMD Inductor with a MnZn Core, 47 μH ±15% Flat Wire Winding 12A Idc
  • RS Stock No. 744-5062P
  • Mfr. Part No. 7443634700
Each (Supplied on a Reel)
£5.81
Vishay Thermistor, 100kΩ Resistance, NTC Type, 0603 (1608M), 1.6 x 0.8 x 0.8mm
  • RS Stock No. 684-1273
  • Mfr. Part No. NTCS0603E3104FXT
Each (In a Pack of 10)
£0.484
Molex 146234-0100 T-Bar Multiband Antenna, 2G (GSM/GPRS), 3G (UTMS), 4G (LTE)
  • RS Stock No. 218-2089
  • Mfr. Part No. 146234-0100
Each (On a Tape of 6)
£4.687
Bourns 3680 100kΩ Digital Display Precision Potentiometer 10-Turns 2-Gang Panel Mount, 3683S-1-104L
  • RS Stock No. 737-7641P
  • Mfr. Part No. 3683S-1-104L
Each (Supplied in a Box)
£45.37
TE Connectivity 1-2823598-2 Multi-Band Antenna
  • RS Stock No. 526-361
  • Mfr. Part No. 1-2823598-2
Each
£389.44
Panasonic ERJ 4.7kΩ, 0805 (2012M) Thick Film SMD Resistor ±0.5% 0.1W
  • RS Stock No. 810-1845P
  • Mfr. Part No. ERJ6RBD4701V
Each (Supplied on a Reel)
£0.043
PUI Audio 80dB(A) Through Hole Continuous Internal Piezo Buzzer, 13.8 x 13.8 x 13mm, 3V dc Min, 16V dc Max
  • RS Stock No. 276-815
  • Mfr. Part No. AI-1440-TWT-12V-R
Each
£2.27
ROHM 68Ω, 0603 (1608M) Thick Film Surface Mount Fixed Resistor 5% 0.3W
  • RS Stock No. 261-9933
  • Mfr. Part No. SDR03EZPJ680
Each (On a Tape of 100)
£0.013
Wurth, WE-MK Multilayer Surface Mount Inductor 120 nH 5% 300mA Idc Q:8
  • RS Stock No. 217-7612
  • Mfr. Part No. 7447860212
Each (On a Reel of 4000)
£0.035
Abracon 12.288MHz Crystal Unit ±2.5ppm SMD 4-Pin 5 x 3.2 x 1.5mm
  • RS Stock No. 226-0770
  • Mfr. Part No. FT5HNBPK12.288-T1
Each (On a Reel of 1000)
£1.082
Bourns, SRN5040 Shielded Wire-wound SMD Inductor with a Ferrite Core, 3.3 μH 20% 3.3A Idc Q:20
  • RS Stock No. 223-1797P
  • Mfr. Part No. SRN5040-3R3M
Each (Supplied on a Reel)
£0.265
Wurth Elektronik Ferrite Bead EMI Suppression Axial Ferrite Bead, 16 x 8 x 16mm
  • RS Stock No. 332-480
  • Mfr. Part No. 742700752
Each (In a Tray of 99)
£0.485
Schneider Electric Power Factor Correction Capacitor (PFC) 175kvar
  • RS Stock No. 432-715
  • Mfr. Part No. VLVAW2L175A40A
Each
£6,514.73
Nichicon 1000μF Aluminium Electrolytic Capacitor 100V dc, Snap-In - LGU2A102MELZ
  • RS Stock No. 222-9518P
  • Mfr. Part No. LGU2A102MELZ
Each (Supplied in a Bag)
£2.966
Vishay 2.2kΩ Metal Film Resistor 0.25/0.5W ±2% CCF072K20GKE36
  • RS Stock No. 830-8715
  • Mfr. Part No. CCF072K20GKE36
Each
£0.11
Panasonic ERJ1G 100Ω, 0201 (0603M) Thick Film SMD Resistor ±1% 0.05W
  • RS Stock No. 179-7123
  • Mfr. Part No. ERJ1GNF1000C
Each (On a Reel of 1000)
£0.007
Wurth Elektronik 100pF Multilayer Ceramic Capacitor MLCC, 16V dc V, SMD
  • RS Stock No. 263-3871
  • Mfr. Part No. 885012005031
Each (On a Reel of 10000)
£0.007
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