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

159882 Products showing for Passive Components

7609 of 999+
Temporarily out of stock
Vishay Power Factor Correction Capacitor 165.8 μF 25 kvar 26.9 kvar 3
  • RS Stock No. 187-5381
  • Mfr. Part No. PhMKP400.3.25,00-S84
Subtotal (1 unit)
£184.74(exc. VAT)
Temporarily out of stock
Wurth Elektronik 47 μF Surface Mount Polymer Capacitor, 25V dc
  • RS Stock No. 163-5880
  • Mfr. Part No. 875075555002
Subtotal (1 reel of 400 units)
£185.20(exc. VAT)
Currently unavailable
Wurth Elektronik, WE-MK, 0603 Unshielded Multilayer Surface Mount Inductor with a Ceramic Core, 10 nH Multilayer ±5 %
  • RS Stock No. 163-3368
  • Mfr. Part No. 74478611
Subtotal (1 reel of 4000 units)
£740.00(exc. VAT)
Temporarily out of stock
Wurth Elektronik, Through Hole Aluminium Capacitor Kit 28
  • RS Stock No. 212-0527
  • Mfr. Part No. 860080
Subtotal (1 unit)
£128.11(exc. VAT)
Temporarily out of stock
Panasonic 150 μF Capacitor 25V dc, Surface Mount Solder - EEEFKE151XSP 900
  • RS Stock No. 106-2865
  • Mfr. Part No. EEEFKE151XSP
Subtotal (1 bag of 20 units)
£4.82(exc. VAT)
In Stock
Bourns 3549 10 kΩ Rotary Potentiometer 10-Turns 1-Gang Bush
  • RS Stock No. 167-0036
  • Mfr. Part No. 3549S-1AA-103B
Subtotal (1 tray of 5 units)
£98.40(exc. VAT)
In Stock
KEMET P409 Paper Capacitor X2 275V ac 275 V dc, Through Hole
  • RS Stock No. 173-4975
  • Mfr. Part No. P409CE104M275AH101
Subtotal (1 bag of 250 units)
£329.75(exc. VAT)
Temporarily out of stock
Panasonic ERJPC6 2490 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.25 W - ERJPC6D2491V
  • RS Stock No. 789-572
  • Mfr. Part No. ERJPC6D2491V
Subtotal (1 tape of 10 units)
£0.50(exc. VAT)
Temporarily out of stock
Murata, LQH43CN, 1812 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 33 μH ±10 % 310 mA Idc
  • RS Stock No. 167-5767
  • Mfr. Part No. LQH43CN330K03L
Subtotal (1 reel of 500 units)
£82.00(exc. VAT)
In Stock
RS PRO RSTN 470 kΩ, 0402 Thin Film Resistor 0.1 % 0.06 W
  • RS Stock No. 243-0462
Subtotal (1 tape of 100 units)
£3.80(exc. VAT)
In Stock
Bourns CR 2 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % 0.125 W - CR0805AFX-2001ELF
  • RS Stock No. 458-576
  • Mfr. Part No. CR0805AFX-2001ELF
Subtotal (1 tape of 10 units)
£0.18(exc. VAT)
Last RS stock
EPCOS Thermistor, NTC Type 47 kΩ 21 mm 14 mm 8 mm
  • RS Stock No. 191-2190
  • Mfr. Part No. B57045K0473K000
Subtotal (1 unit)
£1.38(exc. VAT)
In Stock
Panasonic ERJPC6 1100 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.25 W - ERJPC6B1101V
  • RS Stock No. 784-865P
  • Mfr. Part No. ERJPC6B1101V
Subtotal 10 units (supplied on a continuous strip)
£0.58(exc. VAT)
In Stock
RS PRO CR 4.7 kΩ, 0201 Thick Film Surface Mount Resistor 1 % 0.05 W
  • RS Stock No. 183-9527
Subtotal (1 reel of 15000 units)
£30.00(exc. VAT)
In Stock
Bourns, SRP1265A, 1265 Shielded Wirewound Surface Mount Inductor with a Carbonyl Powder Core, 33 μH ±20 % 8 A Idc Q:20
  • RS Stock No. 819-3501P
  • Mfr. Part No. SRP1265A-330M
Subtotal 5 units (supplied on a continuous strip)
£6.10(exc. VAT)
Currently unavailable
Arcol Ohmite 0.1 GΩ Thick Film Precision Thick Film Fixed Resistor 0.25 W 0.25 % MOX200001006FE
  • RS Stock No. 263-4313
  • Mfr. Part No. MOX200001006FE
Subtotal (1 box of 100 units)
£181.80(exc. VAT)
Temporarily out of stock
Panasonic ERJ 2 kΩ, 0805 Thick Film Surface Mount Resistor ±0.5 % 0.1 W - ERJ6RBD2001V
  • RS Stock No. 169-0901
  • Mfr. Part No. ERJ6RBD2001V
Subtotal (1 reel of 5000 units)
£95.00(exc. VAT)
In Stock
TE Connectivity SMQ 100 Ω Wirewound Surface Mount Resistor 5 % Solder 1 W - SMQW151RJT
  • RS Stock No. 286-7527
  • Mfr. Part No. SMQW151RJT
Subtotal (1 reel of 2000 units)
£330.00(exc. VAT)
In Stock
KEMET R53B Film Capacitor, ±20 %, 330 nF 800 V dc 350V ac, Through Hole
  • RS Stock No. 250-7813
  • Mfr. Part No. R53BI333050S0M
Subtotal (1 pack of 10 units)
£8.07(exc. VAT)
Currently unavailable
KYOCERA AVX LSP69001299TR SMT Antenna
  • RS Stock No. 202-4234
  • Mfr. Part No. LSP69001299TR
Subtotal (1 reel of 1120 units)
£1,750.56(exc. VAT)
1
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