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.

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Antennas
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Capacitors
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Crystals, Oscillators & Resonators
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EMI Filters & Protection
Fixed Resistors
Fixed Resistors
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Inductors
Passive Components Kits
Passive Components Kits
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Rotary Encoders
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
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Surge Protection Components
Variable Resistors
Variable Resistors

163667 Products showing for Passive Components

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Bourns, IsoMOV Metal Oxide Varistor 50 pF 200 A, Clamping 1100 V, Varistor 420 V, Bulk
  • RS Stock No. 236-5190P
  • Mfr. Part No. IsoM8-420-B-L2
Subtotal (5 units, supplied in a bag)
MYR38.42
MYR7.684/unit
Stocked by manufacturer
OPKON 64 ppr Pulse Incremental Incremental Encoder with a 4 mm Solid Shaft Shaft (Phase Z), Clamping Flange Mount
  • RS Stock No. 749-499
  • Mfr. Part No. MRI-40-A-R4-HLD-64-ZZ-V2-2M5-R
Subtotal (1 unit)
MYR679.76
MYR679.76/unit
In Stock
KOA RK73H 1 Ω, 0402 Thick Film Surface Mount Resistor ±1 % 0.1 W - RK73H1ETTP1R00F
  • RS Stock No. 631-7376
  • Mfr. Part No. RK73H1ETTP1R00F
Subtotal (100 units, in packs of 100)
MYR4.20
MYR0.042/unit
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Abracon 25 MHz Crystal ±20 ppm Surface Mount 1.4 mm 6 mm 3.5mm
  • RS Stock No. 171-0650
  • Mfr. Part No. ABM7-25.000MHZ-D2Y-T
Subtotal (10 units, in packs of 10)
MYR22.76
MYR2.276/unit
Temporarily out of stock
onsemi 250MHz, Surface EMI Filter, Surface Mount
  • RS Stock No. 162-9219
  • Mfr. Part No. NUF4403MNT1G
Subtotal (3000 units, on reels of 3000)
MYR5,730.00
MYR1.91/unit
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Bourns PDB182-GTRB 500 kΩ Rotary Potentiometer 1-Turns 2-Gang Panel Mount
  • RS Stock No. 770-3071P
  • Mfr. Part No. PDB182-GTRB1-504MN
Subtotal (1 unit, supplied in a tray)
MYR12.76
MYR12.76/unit
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Panasonic ERA 2.87 kΩ, 0805 Metal Film Surface Mount Resistor ±0.1 % 0.13 W
  • RS Stock No. 708-6269P
  • Mfr. Part No. ERA6AEB2871V
Subtotal (5 units, supplied on a continuous strip)
MYR1.93
MYR0.386/unit
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Wurth Elektronik, WE-HCI, 1050 Shielded Wirewound Surface Mount Inductor 0.72 μH ±20 % 22 A Idc
  • RS Stock No. 484-676P
  • Mfr. Part No. 744325072
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MYR197.69
MYR197.69/unit
Temporarily out of stock
Fair-Rite 22 piece Sample Seal
  • RS Stock No. 764-299
  • Mfr. Part No. 0PM77SP350S
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MYR120.12
MYR120.12/unit
Currently unavailable
ROHM ESR18 1.2 mΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.5 W
  • RS Stock No. 264-1709P
  • Mfr. Part No. ESR18EZPF1204
Subtotal (100 units, supplied on a continuous strip)
MYR25.60
MYR0.256/unit
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Panasonic ERJ H3G 82 Ω, 0603 Thick Film Surface Mount Resistor ±5 % 0.13 W - ERJH3GJ820V
  • RS Stock No. 228-4896P
  • Mfr. Part No. ERJH3GJ820V
Subtotal (100 units, supplied on a continuous strip)
MYR19.40
MYR0.194/unit
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Murata 0.1 pF Multilayer Ceramic Capacitor, 50V dc, 0.05 pF, Surface
  • RS Stock No. 185-1885
  • Mfr. Part No. GRM0335C1HR10WA01D
Subtotal (1000 units, on reels of 1000)
MYR41.00
MYR0.041/unit
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Wurth Elektronik, WE-CHSA, 1011 Shielded Surface Mount Inductor with a Magnetic Iron Alloy Core, 3 μH ±20 % 11.2 A Idc
  • RS Stock No. 248-8218P
  • Mfr. Part No. 78433390300
Subtotal (1 unit, supplied on a continuous strip)
MYR14.10
MYR14.10/unit
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KEMET 100 nF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 133-5651
  • Mfr. Part No. C0603C104J5RACAUTO
Subtotal (50 units, in packs of 50)
MYR27.90
MYR0.558/unit
In Stock
Panasonic ERJ8RQ 9.1 Ω, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W
  • RS Stock No. 721-5868P
  • Mfr. Part No. ERJ8RQF9R1V
Subtotal (5 units, supplied on a continuous strip)
MYR4.53
MYR0.906/unit
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ECS Inc International, 24MHz XO Oscillator, ±25 ppm HCMOS, 4-Pin Surface Mount ECS-5032MV-240-CN-TR
  • RS Stock No. 301-335
  • Mfr. Part No. ECS-5032MV-240-CN-TR
Subtotal (1 unit)
MYR6.08
MYR6.08/unit
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OKW 20 mm Knob Diameter Black Potentiometer Knob for 6 mm Shaft Round Shaft, A1317860
  • RS Stock No. 283-2021
  • Mfr. Part No. A1317860
Subtotal (1 unit)
MYR48.36
MYR48.36/unit
Last RS stock
TE Connectivity TLM 10 mΩ, 0805 Metal Strip Surface Mount Resistor ±5 % Surface 0.25 W
  • RS Stock No. 869-5047P
  • Mfr. Part No. TLM2AER01JTD
Subtotal (10 units, supplied on a continuous strip)
MYR19.25
MYR1.925/unit
In Stock
Arcol Ohmite HS150 330R J, 330 Ω 150 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 309-1368P
  • Mfr. Part No. HS150 330R J
Subtotal (1 unit, supplied in a box)
MYR82.93
MYR82.93/unit
In Stock
Panasonic 220 μF Capacitor 35V dc, Radial, Through Hole - ECA1VM221 Radial Lead
  • RS Stock No. 228-6773
  • Mfr. Part No. ECA1VM221
Subtotal (5 units, in packs of 5)
MYR7.79
MYR1.558/unit
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