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

160990 Products showing for Passive Components

5697 of 999+
In Stock
Bourns, SRN5020TA, 5020 Shielded Power Inductor with a Ferrite Core, 10 μH Semi Shielded ±20 % 1.6 A Idc Q:15
  • RS Stock No. 466-238
  • Mfr. Part No. SRN5020TA-100M
Subtotal (1 bag of 2 units)
£0.58(exc. VAT)
In Stock
KEMET 1 nF Multilayer Ceramic Capacitor, 3kV dc, ±10 %, Surface Mount
  • RS Stock No. 170-0114
  • Mfr. Part No. C1812C102KHRACTU
Subtotal (1 reel of 1000 units)
£272.00(exc. VAT)
Temporarily out of stock
Wurth Elektronik, WE-PD, 1280 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 22 μH ±20 % 4.1 A Idc
  • RS Stock No. 163-3328
  • Mfr. Part No. 744770122
Subtotal (1 reel of 500 units)
£753.00(exc. VAT)
Being discontinued
Nichicon XK Film Capacitor 220 nF 630 V dc, Through Hole 2
  • RS Stock No. 755-4535P
  • Mfr. Part No. QXK2J224KTP
Subtotal 5 units (supplied in a bag)
£1.85(exc. VAT)
Stock information currently inaccessible
RALTRON 4.9152 MHz Crystal ±30 ppm HC-49 2-Pin 3.5 mm 11.35 mm 5mm
  • RS Stock No. 693-6949P
  • Mfr. Part No. AS-4.9152-18
Subtotal 10 units (supplied on a continuous strip)
£1.80(exc. VAT)
In Stock
Vishay MKP1848H Polypropylene Capacitor, ±5 %, 10 μF 1.2 kV dc, Through Hole
  • RS Stock No. 210-1784
  • Mfr. Part No. MKP1848H61012JP2
Subtotal (1 unit)
£9.39(exc. VAT)
Temporarily out of stock
Abracon Patch GPS Antenna with SMA Connector, GLONASS, GPS
  • RS Stock No. 241-3062P
  • Mfr. Part No. APAE1590R2540AKDB1-T
Subtotal 5 units (supplied in a box)
£2.93(exc. VAT)
In Stock
KYOCERA AVX 1 μF Multilayer Ceramic Capacitor, 100V dc, ±10 %, Through Hole Solder
  • RS Stock No. 699-4914
  • Mfr. Part No. AR401C105K4R
Subtotal (1 pack of 10 units)
£34.40(exc. VAT)
In Stock
Wurth Elektronik 3300 μH Radial Inductor, 3100 mΩ Rdc
  • RS Stock No. 485-930
  • Mfr. Part No. 7447211332
Subtotal (1 unit)
£1.33(exc. VAT)
Currently unavailable
Wurth Elektronik, WE-KI, 0805C Wirewound Surface Mount Inductor with a Ceramic Core, 10 nH 600 mA Idc Q:50
  • RS Stock No. 737-3232
  • Mfr. Part No. 74476010C
Subtotal (1 bag of 10 units)
£2.78(exc. VAT)
In Stock
Bourns Dual Coupled Inductor Ferrite Core, 100 μH
  • RS Stock No. 763-3436
  • Mfr. Part No. SRF1260-101M
Subtotal (1 bag of 10 units)
£6.61(exc. VAT)
Temporarily out of stock
Panasonic ERJPC3 6490 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.2 W - ERJPC3B6491V
  • RS Stock No. 789-698
  • Mfr. Part No. ERJPC3B6491V
Subtotal (1 tape of 10 units)
£0.44(exc. VAT)
In Stock
500 kΩ, Surface Mount Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Bourns, 3224
  • RS Stock No. 177-532P
  • Mfr. Part No. 3224W-1-504E
Subtotal 5 units (supplied on a continuous strip)
£14.75(exc. VAT)
In Stock
Bourns, MLC Varistor 0.5 pF, Clamping 30 V, Varistor 250 V, 0402
  • RS Stock No. 167-4465
  • Mfr. Part No. CG0402MLC-05LG
Subtotal (1 reel of 10000 units)
£740.00(exc. VAT)
In Stock
Vishay MMB 22 kΩ, 0207 Thin Film Surface Mount Resistor ±1 % 0.4 W - MMB02070C2202FB200
  • RS Stock No. 180-4156
  • Mfr. Part No. MMB02070C2202FB200
Subtotal (1 reel of 2000 units)
£124.00(exc. VAT)
Last RS stock
Same Sky 80 dB Surface Mount Buzzer Internal Magnetic Buzzer 5 mm 4 V dc Min 9.6 mm 7 V dc Max
  • RS Stock No. 259-6217
  • Mfr. Part No. CMI-9655S-SMT-TR
Subtotal (1 unit)
£2.98(exc. VAT)
Currently unavailable
Wurth Elektronik, WE-MK, 0402 Wirewound Surface Mount Inductor with a Ceramic Core, 180 nH Multilayer 100 mA Idc Q:8
  • RS Stock No. 883-0382
  • Mfr. Part No. 744784218A
Subtotal (1 bag of 25 units)
£2.90(exc. VAT)
In Stock
Bourns, SRN4018, 4018 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 4.7 μH ±20 % 1.9 A Idc Q:9
  • RS Stock No. 172-8355
  • Mfr. Part No. SRN4018-4R7M
Subtotal (1 reel of 3000 units)
£408.00(exc. VAT)
In Stock
EPCOS B32653 Film Capacitor 100 nF 500V ac 1.25 kV dc, Through Hole 2
  • RS Stock No. 190-8646
  • Mfr. Part No. B32653A7104K000
Subtotal (1 unit)
£1.51(exc. VAT)
In Stock
Yageo 2.2 nF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 199-2201P
  • Mfr. Part No. CC0402JRX7R9BB222
Subtotal 500 units (supplied on a reel)
£4.00(exc. VAT)
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