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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EMI Filters & Protection
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Passive Components Kits
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Sounder, Buzzer & Microphone Components
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163777 Products showing for Passive Components

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Wurth Elektronik, WE-LQS, 4018 Shielded Wirewound Surface Mount Inductor 22 μH Semi Shielded ±20 % 700 mA Idc
  • RS Stock No. 814-2534
  • Mfr. Part No. 74404042220
Subtotal (1 bag of 5 units)
SGD7.90(exc. GST)
SGD1.58/unit
Last RS stock
TE Connectivity 392 kΩ Metal Film Resistor 0.25 W 0.1 % H8392KBYA
  • RS Stock No. 701-8174
  • Mfr. Part No. H8392KBYA
Subtotal (1 pack of 5 units)
SGD13.12(exc. GST)
SGD2.624/unit
In Stock
Wurth Elektronik 303060599 Gasket of Polyurethane Foam With Adhesive Tape 1 m x 6mm x 5 mm
  • RS Stock No. 748-233
  • Mfr. Part No. 303060599
Subtotal (1 unit)
SGD23.82(exc. GST)
SGD23.82/unit
Last RS stock
TE Connectivity 3521 15 Ω, 2512 Thick Film Surface Mount Resistor ±1 % 2 W - 352115RFT
  • RS Stock No. 755-1110
  • Mfr. Part No. 352115RFT
Subtotal (1 pack of 10 units)
SGD5.57(exc. GST)
SGD0.557/unit
In Stock
Wurth Elektronik 220 μF Capacitor 35V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 840-0439P
  • Mfr. Part No. 860080575012
Subtotal 10 units (supplied as a tape)
SGD6.24(exc. GST)
SGD0.624/unit
In Stock
Nichicon 100 μF Electrolytic Capacitor 63V, Surface Mount - GYB1J100MCQADNGS Radial Can
  • RS Stock No. 860-882
  • Mfr. Part No. GYB1J100MCQADNGS
Subtotal (1 tape of 20 units)
SGD12.90(exc. GST)
SGD0.645/unit
Limited stock
Wurth Elektronik 33 μF Capacitor 400V dc, Through Hole Radial Lead
  • RS Stock No. 839-7166
  • Mfr. Part No. 860011378008
Subtotal (1 pack of 2 units)
SGD4.69(exc. GST)
SGD2.345/unit
In Stock
Vishay 82 kΩ Metal Film Resistor 1 W 5 % PR01000108202JA100
  • RS Stock No. 683-5603
  • Mfr. Part No. PR01000108202JA100
Subtotal (1 pack of 10 units)
SGD2.27(exc. GST)
SGD0.227/unit
In Stock
Wurth Elektronik, WE-KI, 0402 Unshielded Wirewound Surface Mount Inductor with a Ceramic Core, 0.027 μH ±5 % 400 mA Idc
  • RS Stock No. 737-3579
  • Mfr. Part No. 744765127A
Subtotal (1 bag of 10 units)
SGD5.65(exc. GST)
SGD0.565/unit
Temporarily out of stock
Panasonic ERJP08 36 Ω, 1206 Thick Film Surface Mount Resistor ±1 % 0.66 W - ERJP08F36R0V
  • RS Stock No. 922-9317
  • Mfr. Part No. ERJP08F36R0V
Subtotal (1 reel of 5000 units)
SGD305.00(exc. GST)
SGD0.061/unit
In Stock
Panasonic E24 51200 Ω, Tape & Reel Thin-Film Technology Thin Film Resistor ±0.05 % Surface 0.1 W - ERA3ARW512V
  • RS Stock No. 782-600P
  • Mfr. Part No. ERA3ARW512V
Subtotal 10 units (supplied on a continuous strip)
SGD6.85(exc. GST)
SGD0.685/unit
In Stock
Vishay RCA-SR e3 49.9 Ω, 0805 Thick Film Thick Film Resistor ±1 % Surface 0.25 W - RCA080549R9FKEASR
  • RS Stock No. 748-497
  • Mfr. Part No. RCA080549R9FKEASR
Subtotal (1 tape of 500 units)
SGD12.50(exc. GST)
SGD0.025/unit
In Stock
Nichicon 10000 μF Capacitor 50V dc, Snap-in - LGU1H103MELC
  • RS Stock No. 846-6956
  • Mfr. Part No. LGU1H103MELC
Subtotal (1 unit)
SGD10.44(exc. GST)
SGD10.44/unit
In Stock
KEMET R60 Film Capacitor, ±5 %, 4.7 μF 160 V dc 90V ac, Through Hole
  • RS Stock No. 824-187
  • Mfr. Part No. R60GN4470AA30J
Subtotal (1 pack of 5 units)
SGD26.45(exc. GST)
SGD5.29/unit
In Stock
Vishay CRCW 681 Ω, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W - CRCW1206681RFKEA
  • RS Stock No. 679-2288
  • Mfr. Part No. CRCW1206681RFKEA
Subtotal (1 pack of 50 units)
SGD2.00(exc. GST)
SGD0.04/unit
Temporarily out of stock
Panasonic 220 μF Capacitor 16V dc, Radial, Through Hole - ECA1CHG221 Radial Lead
  • RS Stock No. 727-0653
  • Mfr. Part No. ECA1CHG221
Subtotal (1 pack of 25 units)
SGD6.425(exc. GST)
SGD0.257/unit
In Stock
Vishay 22000 μF Capacitor 35V dc, Through Hole - MAL225650223E3 Snap-In
  • RS Stock No. 875-2598
  • Mfr. Part No. MAL225650223E3
Subtotal (1 unit)
SGD16.21(exc. GST)
SGD16.21/unit
In Stock
Wurth Elektronik, WE-LHMI, 7050 Shielded Multilayer Surface Mount Inductor with a Composite Iron Powder Core, 33 μH ±20
  • RS Stock No. 756-8604
  • Mfr. Part No. 74437349330
Subtotal (1 unit)
SGD3.14(exc. GST)
SGD3.14/unit
In Stock
KEMET 47 nF Multilayer Ceramic Capacitor, 1kV dc, ±10 %, Through Hole Radial
  • RS Stock No. 906-0691P
  • Mfr. Part No. C322C473KDR5TA
Subtotal 5 units (supplied in a bag)
SGD6.87(exc. GST)
SGD1.374/unit
Temporarily out of stock
Vishay 330 μF MnO2 Tantalum Capacitor 50V dc, 135D Series
  • RS Stock No. 684-4253
  • Mfr. Part No. 135D337X9050K2E3
Subtotal (1 unit)
SGD219.52(exc. GST)
SGD219.52/unit
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