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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

169598 Products showing for Passive Components

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2203 of 999+
In Stock
RS PRO Single Layer Ceramic Capacitor 2.2 nF 2kV dc ±20 % Y5U Dielectric, Through Hole 85 °C Max Op. Temp.
  • RS Stock No. 180-5109
Subtotal (100 units, in packs of 100)
£11.20(exc. VAT)
£0.112/unit
In Stock
Vishay Single Layer Ceramic Capacitor 50 nF 125V ac ±20 % Y5V Dielectric, 125L, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 181-6505
  • Mfr. Part No. 125LS50-R
Subtotal (125 units, in boxes of 125)
£672.50(exc. VAT)
£5.38/unit
Currently unavailable
NIC Components 47 mF Supercapacitor -20 to 80 % Tolerance, NEXC 5.5V dc
  • RS Stock No. 716-6942
  • Mfr. Part No. NEXC473Z5.5V10.5X5.5TRF
Subtotal (1 unit)
£2.09(exc. VAT)
£2.09/unit
In Stock
Wurth Elektronik, WE-TPC, 2828 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 4.7 μH ±20 % 1.35 A Idc
  • RS Stock No. 163-4009
  • Mfr. Part No. 744025004
Subtotal (550 units, on reels of 550)
£331.10(exc. VAT)
£0.602/unit
Currently unavailable
Vishay 3.3 nF 500V ac ±20 % Ceramic Dielectric, AY1, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 183-7404
  • Mfr. Part No. AY1332M57Y5UC63L0
Subtotal (10 units, in packs of 10)
£4.00(exc. VAT)
£0.40/unit
In Stock
TDK Single Layer Ceramic Capacitor 82 pF 3kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1984
  • Mfr. Part No. CC45SL3FD820JYGNA
Subtotal (10 units, in bags of 10)
£1.41(exc. VAT)
£0.141/unit
In Stock
Vishay P16 10 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, P16NP103MAB15CV1F
  • RS Stock No. 329-024
  • Mfr. Part No. P16NP103MAB15CV1F
Subtotal (1 unit)
£15.10(exc. VAT)
£15.10/unit
In Stock
Bourns, IsoMOV Metal Oxide Varistor 40 pF 100 A, Clamping 675 V, Varistor 250 V, Bulk
  • RS Stock No. 236-5175
  • Mfr. Part No. IsoM5-250-B-L2
Subtotal (300 units, in bags of 300)
£205.20(exc. VAT)
£0.684/unit
Currently unavailable
Wurth Elektronik, 24MHz SPXO Crystal Oscillator, ±50 ppm HCMOS, 4-Pin SMT
  • RS Stock No. 276-6761
  • Mfr. Part No. 831018541
Subtotal (1000 units, on reels of 1000)
£924.00(exc. VAT)
£0.924/unit
Last RS stock
TDK Single Layer Ceramic Capacitor 150 pF 1kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1856
  • Mfr. Part No. CC45SL3AD151JYVNA
Subtotal (20 units, on tapes of 20)
£3.78(exc. VAT)
£0.189/unit
In Stock
TDK Single Layer Ceramic Capacitor 47 pF 1kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1888
  • Mfr. Part No. CC45SL3AD470JYGNA
Subtotal (20 units, in bags of 20)
£3.68(exc. VAT)
£0.184/unit
In Stock
TDK Single Layer Ceramic Capacitor 270 pF 2kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1931
  • Mfr. Part No. CC45SL3DD271JYNNA
Subtotal (10 units, in bags of 10)
£1.73(exc. VAT)
£0.173/unit
Last RS stock
TDK Single Layer Ceramic Capacitor 27 pF 1kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1874
  • Mfr. Part No. CC45SL3AD270JYNNA
Subtotal (10 units, in bags of 10)
£2.10(exc. VAT)
£0.21/unit
Currently unavailable
TDK Single Layer Ceramic Capacitor 150 pF 2kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1918
  • Mfr. Part No. CC45SL3DD151JYNNA
Subtotal (1000 units, in boxes of 1000)
£97.00(exc. VAT)
£0.097/unit
In Stock
Panasonic ERJ 2RK 14.7 kΩ, 0402 Thick Film Surface Mount Fixed Resistor ±1 % 0.1 W
  • RS Stock No. 277-962P
  • Mfr. Part No. ERJ2RKF1472X
Subtotal (10 units, supplied on a continuous strip)
£0.13(exc. VAT)
£0.013/unit
Temporarily out of stock
TDK Single Layer Ceramic Capacitor 4700 pF 3kV dc, CK45, Through Hole 105 °C Max Op. Temp.
  • RS Stock No. 253-2856
  • Mfr. Part No. CK45-E3FD472ZYGNA
Subtotal (1000 units, on reels of 1000)
£132.00(exc. VAT)
£0.132/unit
In Stock
TDK Single Layer Ceramic Capacitor 220 pF 3kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1964
  • Mfr. Part No. CC45SL3FD221JYGNA
Subtotal (1000 units, in boxes of 1000)
£115.00(exc. VAT)
£0.115/unit
In Stock
TDK Single Layer Ceramic Capacitor 82 pF 1kV dc ±5 %, CC45, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 262-1907
  • Mfr. Part No. CC45SL3AD820JYVNA
Subtotal (20 units, on tapes of 20)
£2.20(exc. VAT)
£0.11/unit
In Stock
TDK 1 pF Multilayer Ceramic Capacitor, 50V, 0.25 pF Radial
  • RS Stock No. 194-0423
  • Mfr. Part No. FG28C0G1H010CNT00
Subtotal (10 units, in packs of 10)
£0.67(exc. VAT)
£0.067/unit
Currently unavailable
KEMET Single Layer Ceramic Capacitor 4.7 nF 300V ac ±20 % Y5V Dielectric, C900, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 877-3589P
  • Mfr. Part No. C947U472MZVDBA7317
Subtotal (25 units, supplied as a tape)
£3.05(exc. VAT)
£0.122/unit
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