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

154829 Products showing for Passive Components

161 of 999+
KEMET 33pF Multilayer Ceramic Capacitor MLCC, 50V dc V, ±5% , SMD
  • RS Stock No. 264-4264
  • Mfr. Part No. C0805C330J5GACTU
Each (In a Pack of 25)
£0.028
Murata 220 μH ±10% Leaded Inductor, Max SRF:2.8MHz, Q:22, 3.5A Idc, 96mΩ Rdc, 1400
  • RS Stock No. 228-422
Each
£2.10
RS PRO 330Ω 10% 300W Adjustable Wire Wound Resistor 50ppm/°C
  • RS Stock No. 227-4832
Each
£66.49
RS PRO Variable Trimmer Capacitor 6 → 30pF 100V Ceramic
  • RS Stock No. 175-3546
Each (In a Pack of 25)
£0.343
RS PRO 2200μF Aluminium Electrolytic Capacitor 35V dc, Radial, Through Hole
  • RS Stock No. 711-1340
Each (In a Pack of 5)
£0.778
TE Connectivity 270Ω Metal Film Resistor 0.6W ±1% LR1F270R
  • RS Stock No. 148-360
  • Mfr. Part No. LR1F270R
Each (In a Pack of 10)
£0.062
Welwyn 150Ω Wire Wound Resistor 7W ±5% W22-150RJI
  • RS Stock No. 139-3461
  • Mfr. Part No. W22-150RJI
Each (In a Bag of 5)
£1.412
Vishay 6800μF Aluminium Electrolytic Capacitor 80V dc, Snap-In - MAL225652682E3
  • RS Stock No. 875-2667
  • Mfr. Part No. MAL225652682E3
Each
£14.88
RS PRO 10kΩ, 0603 (1608M) Thick Film SMD Resistor ±1% 0.1W
  • RS Stock No. 804-8921
Each (On a Reel of 5000)
£0.003
Essentra Ferrite Ring Ferrite Core, For: VE/CD, 26 (Dia.) x 28.5mm
  • RS Stock No. 265-1802
  • Mfr. Part No. RI 26 13 28
Each
£9.28
Littelfuse, LA Metal Oxide Varistor 1nF 100A, Clamping 650V, Varistor 429V
  • RS Stock No. 800-7052
  • Mfr. Part No. V250LA40AP
Each (In a Pack of 10)
£0.639
RF Solutions PHC-M4-433 Telemetry Antenna
  • RS Stock No. 505-6884
  • Mfr. Part No. PHC-M4-433
Each
£5.52
Bourns 18 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Not Indexed), Through Hole
  • RS Stock No. 789-9523
  • Mfr. Part No. PEC11R-4115K-S0018
Each
£2.16
QANTEK 24MHz Crystal ±20ppm HC-49/U-S 2-Pin 11.05 x 4.65 x 3.5mm
  • RS Stock No. 814-9453
  • Mfr. Part No. QCL24.0000F18B23B
Each (In a Bag of 10)
£0.166
Arcol, 8Ω 50W Aluminium Chassis Mount Resistor HS50 8R F ±1%
  • RS Stock No. 162-3573
  • Mfr. Part No. HS50 8R F
Each
£4.38
Schaffner, FN3280 64A 520/300 V ac 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase
  • RS Stock No. 708-4339
  • Mfr. Part No. FN3280H-64-34
Each
£321.64
Wurth Elektronik Ferrite Safety Key, 37.5 x 1.5mm
  • RS Stock No. 815-0021
  • Mfr. Part No. 74271
Each (In a Bag of 10)
£0.238
Phoenix Contact, VAL-MS 230/3+1 FM Surge Arrester 230 V ac Maximum Voltage Rating Surge Arrester
  • RS Stock No. 241-6062
  • Mfr. Part No. 2838199
Each
£291.19
Wurth Elektronik Openable Ferrite Sleeve with key, 43 x 56 x 47mm, For EMI Suppression, Apertures: 1, Diameter 21mm
  • RS Stock No. 923-6163
  • Mfr. Part No. 74271211
Each
£17.80
Panasonic 3900μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - EEUFS1E392
  • RS Stock No. 145-8534
  • Mfr. Part No. EEUFS1E392
Each (In a Pack of 5)
£1.822
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