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
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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
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Variable Resistors

163736 Products showing for Passive Components

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303 / 999+
In Stock
Vishay 10 Ω Metal Film Resistor 0.4 W 5 % SFR2500001009JA500
  • RS Stock No. 165-0640
  • Mfr. Part No. SFR2500001009JA500
Subtotal (50 units, in packs of 50)
MYR13.60
MYR0.272/unit
Temporarily out of stock
Wurth Elektronik, WE-HCI, 1890 Shielded Wirewound Surface Mount Inductor with a WE-Perm2 Core, 1.3 μH Flat Wire Winding
  • RS Stock No. 163-3696
  • Mfr. Part No. 7443556130
Subtotal (150 units, on reels of 150)
MYR3,109.35
MYR20.729/unit
Temporarily out of stock
Arcol Ohmite 10 kΩ Wirewound Resistor 5 W 1 % 45F10KE
  • RS Stock No. 172-2223
  • Mfr. Part No. 45F10KE
Subtotal (100 units, in bags of 100)
MYR956.70
MYR9.567/unit
Limited stock
Panasonic 1800 μF Capacitor 35V dc, Radial, Through Hole - EEUFK1V182L Radial Lead
  • RS Stock No. 572-158
  • Mfr. Part No. EEUFK1V182L
Subtotal (5 units, in packs of 5)
MYR75.95
MYR15.19/unit
In Stock
Panasonic 47 μF Capacitor 100V dc, Radial Radial Lead
  • RS Stock No. 176-3892
  • Mfr. Part No. EEUFS2A470
Subtotal (10 units, in packs of 10)
MYR20.71
MYR2.071/unit
Temporarily out of stock
RS PRO 92 dB Flange Continuous Internal 22 mm Piezo Buzzer Component 60 V ac/dc Min 250V ac/dc Max
  • RS Stock No. 181-2675
Subtotal (700 units, in boxes of 700)
MYR9,892.40
MYR14.132/unit
In Stock
KOA RS73 560 kΩ, 0603 Thick Film Surface Mount Resistor ±0.1 % 0.2 W - RS73F1JTTD5603B
  • RS Stock No. 179-1473
  • Mfr. Part No. RS73F1JTTD5603B
Subtotal (500 units, on reels of 500)
MYR277.00
MYR0.554/unit
Being discontinued
Nichicon 270 μF Through Hole Polymer Capacitor, 10V dc
  • RS Stock No. 165-3941
  • Mfr. Part No. PLS1A271MDO1
Subtotal (200 units, in boxes of 200)
MYR801.60
MYR4.008/unit
In Stock
Wurth Elektronik, 784383, 2512HT Shielded Surface Mount Inductor with a Magnetic Iron Alloy Core, 1 μH Shielded ±20 %
  • RS Stock No. 427-164
  • Mfr. Part No. 78438324010HT
Subtotal (5 units, on tapes of 5)
MYR48.89
MYR9.778/unit
Temporarily out of stock
Nichicon 390 μF Capacitor 400V dc, Snap-in - LGG2G391MELA45
  • RS Stock No. 167-1481
  • Mfr. Part No. LGG2G391MELA45
Subtotal (250 units, in bags of 250)
MYR7,338.50
MYR29.354/unit
In Stock
Littelfuse, SL10021A 310 V dc 10 kA, Radial Gas Discharge Tube Gas Discharge Tube
  • RS Stock No. 170-9946
  • Mfr. Part No. SL1021A260R
Subtotal (500 units, in trays of 500)
MYR3,250.00
MYR6.50/unit
In Stock
Wurth Elektronik, WE-MAPI, 3020 Shielded Wirewound Surface Mount Inductor with a Magnetic Iron Alloy Core, 10 μH ±20 %
  • RS Stock No. 163-7448
  • Mfr. Part No. 74438336100
Subtotal (1000 units, on reels of 1000)
MYR3,909.00
MYR3.909/unit
Currently unavailable
ROHM ESR10 36 kΩ, 0805 Thick Film Resistor ±5 % 0.4 W - ESR10EZPJ363
  • RS Stock No. 262-9560P
  • Mfr. Part No. ESR10EZPJ363
Subtotal (100 units, supplied on a continuous strip)
MYR12.00
MYR0.12/unit
In Stock
Yageo 22 nF Multilayer Ceramic Capacitor, 16V dc, ±10 %, Surface
  • RS Stock No. 199-2227P
  • Mfr. Part No. CC0402KRX7R7BB223
Subtotal (500 units, supplied on a reel)
MYR21.50
MYR0.043/unit
In Stock
Wurth Elektronik, 744384, 5030 Shielded Surface Mount Inductor with a Magnetic Iron Alloy Core, 10 μH Shielded ±20 % 5.4
  • RS Stock No. 427-087
  • Mfr. Part No. 7443845030100
Subtotal (5 units, on tapes of 5)
MYR60.27
MYR12.054/unit
Currently unavailable
TE Connectivity SM 7.5 Ω, 5329 Wirewound Surface Mount Resistor ±5 % Surface 5 W - SMW57R5JT
  • RS Stock No. 161-5677
  • Mfr. Part No. SMW57R5JT
Subtotal (500 units, on reels of 500)
MYR1,864.00
MYR3.728/unit
Temporarily out of stock
TE Connectivity, Sigma 3656, 1265 Shielded Surface Mount Inductor 82 μH ±20 % 4 A Idc
  • RS Stock No. 616-898
  • Mfr. Part No. 36561265M820T
Subtotal (500 units, on reels of 500)
MYR5,595.50
MYR11.191/unit
In Stock
ROHM ESR10 130 Ω, 0805 Thick Film Resistor ±5 % 0.4 W - ESR10EZPJ131
  • RS Stock No. 262-9442
  • Mfr. Part No. ESR10EZPJ131
Subtotal (100 units, on tapes of 100)
MYR12.10
MYR0.121/unit
Temporarily out of stock
Wurth Elektronik 33 μF Capacitor 25V dc, Through Hole - 860160472005 Radial Lead
  • RS Stock No. 163-7046
  • Mfr. Part No. 860160472005
Subtotal (2000 units, in boxes of 2000)
MYR842.00
MYR0.421/unit
In Stock
Wurth Elektronik, WE-GF, 1210 Unshielded Power Inductor with a Ferrite Core, 3.3 μH 10 % 260 mA Idc
  • RS Stock No. 485-554P
  • Mfr. Part No. 74476403
Subtotal (2 units, supplied on a continuous strip)
MYR43.15
MYR21.575/unit
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