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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Crystals, Oscillators & Resonators
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EMI Filters & Protection
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Fixed Resistors
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Inductors
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Passive Components Kits
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Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
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Surge Protection Components
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169257 Products showing for Passive Components

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Temporarily out of stock
Wurth Elektronik Inductor Design Kit
  • RS Stock No. 484-945
  • Mfr. Part No. 784330
Subtotal (1 unit)
$4,299.46(exc. GST)
$4,299.46/unit
Temporarily out of stock
Vishay 1 μF MnO2 Tantalum Capacitor 20V dc, Surface, 293D Series
  • RS Stock No. 646-6737
  • Mfr. Part No. 293D105X9020A2WE3
Subtotal (10 units, in packs of 10)
$5.20(exc. GST)
$0.52/unit
In Stock
TE Connectivity HSC25022RJ, 22 Ω 250 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 720-5549
  • Mfr. Part No. HSC25022RJ
Subtotal (1 unit)
$82.84(exc. GST)
$82.84/unit
In Stock
KEMET 6800 μF Capacitor 100V dc, Screw
  • RS Stock No. 381-9172
  • Mfr. Part No. ALS30A682DF100
Subtotal (1 unit)
$39.84(exc. GST)
$39.84/unit
Temporarily out of stock
TE Connectivity 2504615-4 FPC Antenna with MHF4L Connector, 2400 MHz, 7125 MHz, WiFi
  • RS Stock No. 849-517
  • Mfr. Part No. 2504615-4
Subtotal (3000 units, in bags of 3000)
$4,107.00(exc. GST)
$1.369/unit
Temporarily out of stock
Schurter EMI Filter Kit DKIH-EVB Series
  • RS Stock No. 188-9496
  • Mfr. Part No. 3-109-440
Subtotal (20 units, in boxes of 20)
$519.80(exc. GST)
$25.99/unit
In Stock
Wurth Elektronik 24 piece Ferrite Kit
  • RS Stock No. 205-9750
  • Mfr. Part No. 742722
Subtotal (1 unit)
$307.46(exc. GST)
$307.46/unit
Last RS stock
Kamaya RMC 470 Ω, 0402 Thick Film Surface Mount Resistor ±1 % 0.1 W - RMC1/16SK471FTH
  • RS Stock No. 121-154
  • Mfr. Part No. RMC1/16SK471FTH
Subtotal (100 units, in packs of 100)
$0.90(exc. GST)
$0.009/unit
Temporarily out of stock
Bourns, SRN8040 Shielded Surface Mount Inductor with a Ferrite Core, 2.2 μH ±30 % 6.3 A Idc Q:13
  • RS Stock No. 246-3305
  • Mfr. Part No. SRN8040-2R2Y
Subtotal (1000 units, on reels of 1000)
$423.00(exc. GST)
$0.423/unit
Temporarily out of stock
KEMET 7.5 μH 3 A Common Mode Choke 26 mΩ 150V dc, 50 V dc
  • RS Stock No. 186-0671
  • Mfr. Part No. SH-302
Subtotal (5 units, in packs of 5)
$18.82(exc. GST)
$3.764/unit
Temporarily out of stock
Arcol Ohmite TSM Series 20 Ω, TO-263 Thick Film Thick Film Resistor 1 % Surface Mount 55 W - TSM5520R0FE-TR
  • RS Stock No. 782-385
  • Mfr. Part No. TSM5520R0FE-TR
Subtotal (1 unit, on tapes of 1)
$30.82(exc. GST)
$30.82/tape
Stocked by manufacturer
Phoenix Contact, VAL-SPP Surge Arrester 305V dc Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester
  • RS Stock No. 493-558
  • Mfr. Part No. 1466214
Subtotal (1 unit)
$661.30(exc. GST)
$661.30/unit
Temporarily out of stock
Nichicon 270 μF Capacitor 400V dc, Snap-in - LGL2G271MELA30
  • RS Stock No. 165-3808
  • Mfr. Part No. LGL2G271MELA30
Subtotal (250 units, in bags of 250)
$2,050.75(exc. GST)
$8.203/unit
Last RS stock
Vishay 10 μF MnO2 Tantalum Capacitor 35V dc, Surface, TR3 Series
  • RS Stock No. 684-5183
  • Mfr. Part No. TR3D106K035C0260
Subtotal (5 units, in packs of 5)
$13.57(exc. GST)
$2.714/unit
In Stock
Wurth Elektronik Ferrite Safety Key, For General Application
  • RS Stock No. 815-0021
  • Mfr. Part No. 74271
Subtotal (10 units, in bags of 10)
$4.07(exc. GST)
$0.407/unit
Temporarily out of stock
Bourns, CWF2414, 2414 Shielded Power Inductor with a Ferrite Core, 2.2 μH ±10 % 1040 A Idc Q:13
  • RS Stock No. 247-5895
  • Mfr. Part No. CWF2414-2R2K
Subtotal (2000 units, on reels of 2000)
$278.00(exc. GST)
$0.139/unit
In Stock
Wurth Elektronik, WE-SPC, 4838 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 47 μH ±20 % 0.8 A Idc
  • RS Stock No. 172-5343
  • Mfr. Part No. 74408943470
Subtotal (500 units, on reels of 500)
$914.50(exc. GST)
$1.829/unit
In Stock
Vishay CRCW 5.1 kΩ, 0402 Thick Film Surface Mount Resistor ±1 % 0.06 W - CRCW04025K10FKED
  • RS Stock No. 678-9478
  • Mfr. Part No. CRCW04025K10FKED
Subtotal (50 units, in packs of 50)
$6.30(exc. GST)
$0.126/unit
Temporarily out of stock
Murata, LQW, 0402 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 2.7 nH ±0.1 nH 850 mA Idc Q:20
  • RS Stock No. 785-5062P
  • Mfr. Part No. LQW15AN2N7B00D
Subtotal (10 units, supplied on a continuous strip)
$1.36(exc. GST)
$0.136/unit
Temporarily out of stock
Yageo 100 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 198-8209
  • Mfr. Part No. CS0603KRX7R9BB104
Subtotal (4000 units, on reels of 4000)
$116.00(exc. GST)
$0.029/unit
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