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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

166483 Products showing for Passive Components

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1218 of 999+
Temporarily out of stock
Wurth Elektronik 1 pF Multilayer Ceramic Capacitor, 50V dc, 0.05 pF, Surface
  • RS Stock No. 185-5844
  • Mfr. Part No. 885392005005
Subtotal (1 reel of 500 units)
£36.00(exc. VAT)
£0.072/unit
In Stock
TDK, CT/B Multilayer Varistor 2.5 A, Clamping 77 V
  • RS Stock No. 775-2799P
  • Mfr. Part No. B72530E0300K062
Subtotal 50 units (supplied on a continuous strip)
£16.30(exc. VAT)
£0.326/unit
In Stock
Vishay P16F 4.7 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, P16FNP472MARSD
  • RS Stock No. 329-052
  • Mfr. Part No. P16FNP472MARSD
Subtotal (1 unit)
£18.31(exc. VAT)
£18.31/unit
In Stock
KEMET R71 Film Capacitor, ±10 %, 100 nF 630 V dc 275V ac, Through Hole
  • RS Stock No. 171-9140
  • Mfr. Part No. R71PI31004030K
Subtotal (1 pack of 10 units)
£2.88(exc. VAT)
£0.288/unit
In Stock
Molex 219611-0250 T-Bar WiFi Antenna with UFL Connector, WiFi
  • RS Stock No. 258-9292
  • Mfr. Part No. 219611-0250
Subtotal (1 pack of 2 units)
£8.98(exc. VAT)
£4.49/unit
Temporarily out of stock
TDK NTC Thermistor, NTC Type 10 kΩ, 0603 0.3 mm 0.6 mm 3 mm
  • RS Stock No. 202-5370P
  • Mfr. Part No. NTCG063JF223HTBX
Subtotal 50 units (supplied on a continuous strip)
£2.30(exc. VAT)
£0.046/unit
In Stock
Bourns, SRP1050WA, 1050 Shielded Power Inductor with a Metal Alloy Powder Core, 33 μH 20 % 5 A Idc Q:20
  • RS Stock No. 466-123P
  • Mfr. Part No. SRP1050WA-330M
Subtotal 2 units (supplied on a continuous strip)
£1.78(exc. VAT)
£0.89/unit
In Stock
TDK, B82477-G4 Shielded Surface Mount Inductor with a Ferrite Core, 15 μH ±20 % 4.5 A Idc
  • RS Stock No. 246-9832
  • Mfr. Part No. B82477G4153M000
Subtotal (1 unit)
£0.83(exc. VAT)
£0.83/unit
In Stock
Panasonic ERJ 680 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % 0.13 W - ERJU06F6803V
  • RS Stock No. 172-3951
  • Mfr. Part No. ERJU06F6803V
Subtotal (1 reel of 5000 units)
£75.00(exc. VAT)
£0.015/unit
In Stock
Panasonic ERJ6B 200 mΩ, 0805 Thick Film Surface Mount Resistor ±1 % 0.33 W - ERJ6BSFR20V
  • RS Stock No. 107-0443
  • Mfr. Part No. ERJ6BSFR20V
Subtotal (1 reel of 5000 units)
£310.00(exc. VAT)
£0.062/unit
In Stock
TDK 1000 μF Capacitor 450V dc, Snap-in - B43630A5108M060
  • RS Stock No. 209-8687
  • Mfr. Part No. B43630A5108M060
Subtotal (1 box of 60 units)
£585.60(exc. VAT)
£9.76/unit
Temporarily out of stock
Panasonic 47 μF Capacitor 25V dc, Through Hole - EEUEB1E470S Radial Lead
  • RS Stock No. 747-2055
  • Mfr. Part No. EEUEB1E470S
Subtotal (1 pack of 25 units)
£3.075(exc. VAT)
£0.123/unit
Temporarily out of stock
KEMET 10 μF Surface Polymer Capacitor, 16V dc
  • RS Stock No. 187-7078
  • Mfr. Part No. T521B106M016ATE100
Subtotal (1 reel of 2000 units)
£866.00(exc. VAT)
£0.433/unit
In Stock
Wurth Elektronik Openable, Diameter 7.8 mm Ferrite Sleeve, Apertures: 1 35 mm 44.6 mm 59 mm, For Easy to Mount,
  • RS Stock No. 756-8685
  • Mfr. Part No. 74271378
Subtotal (1 unit)
£10.18(exc. VAT)
£10.18/unit
Last RS stock
TE Connectivity CPF 40.2 Ω, 0603 Thin Film Surface Mount Resistor ±0.1 % Surface 0.06 W - CPF0603B40R2E1
  • RS Stock No. 122-8860
  • Mfr. Part No. CPF0603B40R2E1
Subtotal (1 bag of 20 units)
£1.24(exc. VAT)
£0.062/unit
Temporarily out of stock
Bourns, SRU1048, 1048 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 15 μH ±30 % 3.2 A Idc Q:30
  • RS Stock No. 763-3590P
  • Mfr. Part No. SRU1048-150Y
Subtotal 10 units (supplied on a continuous strip)
£5.52(exc. VAT)
£0.552/unit
In Stock
Panasonic ERA 49.9 kΩ, 0402 Thin Film Surface Mount Resistor ±0.1 % 0.06 W - ERA2AEB4992X
  • RS Stock No. 104-5437
  • Mfr. Part No. ERA2AEB4992X
Subtotal (1 bag of 50 units)
£2.65(exc. VAT)
£0.053/unit
In Stock
Vishay 681 Ω Thin Film Resistor 0.6 W 1 %
  • RS Stock No. 683-3948P
  • Mfr. Part No. MRS25000C6810FCT00
Subtotal 25 units (supplied on a continuous strip)
£2.125(exc. VAT)
£0.085/unit
Temporarily out of stock
Schaffner, FN2410 80 A 250V ac 400Hz, Chassis Mount EMC Filter, Terminal Block 1 Phase
  • RS Stock No. 518-6266
  • Mfr. Part No. FN2410-80-34
Subtotal (1 unit)
£196.85(exc. VAT)
£196.85/unit
In Stock
Vishay RCA-SR e3 100 Ω, 1206 Thick Film Thick Film Resistor ±1 % Surface 0.25 W - RCA1206100RFKEASR
  • RS Stock No. 748-503
  • Mfr. Part No. RCA1206100RFKEASR
Subtotal (1 tape of 500 units)
£7.00(exc. VAT)
£0.014/unit
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