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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 include 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 passive component that can gather and hold a charge in a way that is similar to how a battery functions. This type of passive component is made of 2 close conductors (usually plates) that are separated by a dielectric material. The plates accumulate electric charge when connected to a power source. One plate accumulates a positive charge and the other plate accumulates a 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

    Another type of passive component is the resistor. 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, it's 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 component 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; some examples would include windings from a transformer and inductors. It is useful because of its low electrical conductivity and high magnetic permeability.

    Surge Protection Components

    Surge protectors are a part of nearly every home and office today. They provide your expensive electronic equipment and circuitry with added protection against the harmful effects of electricity surges, improving their longevity.

    RS is a supplier of passive components with a wide variety of quality products from leading manufacturers across the world.

    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

    155359 Products showing for Passive Components

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    Vishay PE30 4.7kΩ Rotary Potentiometer 1-Gang Panel Mount, PE30L0FL472KAB
    • RS Stock No. 790-4482
    • Mfr. Part No. PE30L0FL472KAB
    Each
    $75.76
    Nichicon 4.7μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - UFG1H4R7MDM
    • RS Stock No. 602-2618
    • Mfr. Part No. UFG1H4R7MDM
    Each (In a Pack of 5)
    $0.268
    EPCOS Thermistor, 10kΩ Resistance, NTC Type, 2.41 x 6.5mm
    • RS Stock No. 706-2759
    • Mfr. Part No. B57861S0103F045
    Each
    $3.76
    QANTEK 16MHz Crystal ±20ppm HC-49/U-S 2-Pin 11.05 x 4.65 x 3.5mm
    • RS Stock No. 814-9440
    • Mfr. Part No. QCL16.0000F18B23B
    Each (In a Bag of 10)
    $0.287
    Panasonic 10μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - ECEA1HKS100
    • RS Stock No. 117-035
    • Mfr. Part No. ECEA1HKS100
    Each (In a Pack of 5)
    $0.424
    Better World
    Schneider Electric XB4 10kΩ Rotary Potentiometer 1-Gang Panel Mount, XB4BD912R10K
    • RS Stock No. 125-4400
    • Mfr. Part No. XB4BD912R10K
    Each
    $148.74
    Mitsubishi Electric EMC Filter
    • RS Stock No. 180-9443
    • Mfr. Part No. FFR-MSH-170-30A-SF1
    Each
    $154.76
    TE Connectivity 51Ω Metal Film Resistor 0.6W ±1% LR1F51R
    • RS Stock No. 148-180
    • Mfr. Part No. LR1F51R
    Each (In a Pack of 10)
    $0.057
    Panasonic ERJPA3 10kΩ, 0603 (1608M) Thick Film SMD Resistor ±1% 0.33W
    • RS Stock No. 862-6704
    • Mfr. Part No. ERJPA3F1002V
    Each (In a Bag of 100)
    $0.068
    Panasonic 10μF Aluminium Electrolytic Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - ECEA1HN100U
    • RS Stock No. 727-0486
    • Mfr. Part No. ECEA1HN100U
    Each (In a Pack of 25)
    $0.338
    EPCOS Thermistor, 6Ω Resistance, PTC Type, 17.5 x 5 x 21mm
    • RS Stock No. 191-1793
    • Mfr. Part No. B59840C0120A070
    Each
    $2.19
    10kΩ, Through Hole Trimmer Potentiometer 0.5W Top Adjust Vishay, 63P
    • RS Stock No. 154-3019
    • Mfr. Part No. M63P103KB40
    Each
    $8.18
    Nichicon 10μF Electrolytic Capacitor 25V dc, Through Hole - USR1E100MDD
    • RS Stock No. 475-8848
    • Mfr. Part No. USR1E100MDD
    Each (In a Pack of 5)
    $0.186
    Panasonic 1000μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - EEUHD1E102
    • RS Stock No. 103-5651
    • Mfr. Part No. EEUHD1E102
    Each (In a Bag of 200)
    $0.938
    Vishay, 4kΩ 25W Wire Wound Chassis Mount Resistor RH0254K000FE02 ±1%
    • RS Stock No. 845-9823
    • Mfr. Part No. RH0254K000FE02
    Each
    $11.95
    Panasonic 100μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - EEUFC1E101SH
    • RS Stock No. 240-3835
    • Mfr. Part No. EEUFC1E101SH
    Each (In a Pack of 10)
    $0.315
    Sifam 29.5mm Black Potentiometer Knob for 6.35mm Shaft Splined, S291 250BK
    • RS Stock No. 111-4100
    • Mfr. Part No. S291 250BK
    Each (In a Pack of 10)
    $10.234
    Nichicon 1F Supercapacitor ± 20% Tolerance, JUW 2.7V dc, Through Hole
    • RS Stock No. 222-9510P
    • Mfr. Part No. JUWT1105MCD
    Each (Supplied in a Bag)
    $1.321
    EPCOS, Standard Metal Oxide Varistor 11.1nF 20A, Clamping 77V, Varistor 39V
    • RS Stock No. 289-7575
    • Mfr. Part No. B72220S0250K101
    Each (In a Pack of 5)
    $1.94
    Fair-Rite Ferrite Core
    • RS Stock No. 255-5077
    • Mfr. Part No. 0446164251
    Each
    $3.14
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