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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169674 Products showing for Passive Components

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Temporarily out of stock
KEMET 47000 μF Capacitor 40V dc, Screw
  • RS Stock No. 381-9560
  • Mfr. Part No. ALS31A473KE040
Subtotal (1 unit)
$49.01(exc. GST)
$49.01/unit
In Stock
Wurth Elektronik, WE-PD4 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 220 μH ±10 % 900 mA Idc
  • RS Stock No. 396-6010
  • Mfr. Part No. 74456222
Subtotal (1 pack of 2 units)
$5.86(exc. GST)
$2.93/unit
In Stock
Nichicon 2200 μF Capacitor 63V dc, Snap-in
  • RS Stock No. 846-7114
  • Mfr. Part No. LLS1J222MELZ
Subtotal (1 pack of 2 units)
$12.49(exc. GST)
$6.245/unit
In Stock
KEMET 100 nF Multilayer Ceramic Capacitor, 100V dc, 5 %, Surface
  • RS Stock No. 205-3265
  • Mfr. Part No. C0805C104J1RACTU
Subtotal (1 tape of 25 units)
$6.325(exc. GST)
$0.253/unit
Currently unavailable
KEMET PME271Y_300 Film Capacitor Y2, ±10 %, 150 nF 1000 V dc 300V ac, Through Hole
  • RS Stock No. 165-0346
  • Mfr. Part No. PME271YE6150KR30
Subtotal (1 pack of 2 units)
$15.09(exc. GST)
$7.545/unit
Last RS stock
Kamaya RMC 0 mΩ, 1206 Thick Film Surface Mount Resistor ±0 % 0.25 W - RMC1/8JPTP
  • RS Stock No. 117-010
  • Mfr. Part No. RMC1/8JPTP
Subtotal (1 pack of 100 units)
$2.70(exc. GST)
$0.027/unit
Currently unavailable
KEMET 4.7 nF Multilayer Ceramic Capacitor, 200V dc, ±5 %, Surface
  • RS Stock No. 169-6846
  • Mfr. Part No. C1206C472J2GACAUTO
Subtotal (1 reel of 4000 units)
$908.00(exc. GST)
$0.227/unit
Currently unavailable
Bourns, SRR1206, E12 Shielded Wirewound Surface Mount Inductor with a Ferrite DR & RI Core, 22 μH ±20 % 3.8 A Idc Q:21
  • RS Stock No. 874-9817
  • Mfr. Part No. SRR1206-220ML
Subtotal (1 bag of 5 units)
$6.52(exc. GST)
$1.304/unit
In Stock
KEMET 47 μF Capacitor 35V dc, Surface Solder - EDK476M035A9GAA
  • RS Stock No. 174-4395
  • Mfr. Part No. EDK476M035A9GAA
Subtotal (1 reel of 1000 units)
$161.00(exc. GST)
$0.161/unit
Currently unavailable
KEMET, Surface Ceramic Capacitor Kit 40
  • RS Stock No. 867-5450
  • Mfr. Part No. CER ENG KIT 23
Subtotal (1 unit)
$265.09(exc. GST)
$265.09/unit
Currently unavailable
TE Connectivity 3430 20 kΩ, 1225 Thick Film Surface Mount Fixed Resistor 1 % Surface 3 W - 3430A3F20KTE
  • RS Stock No. 274-7083
  • Mfr. Part No. 3430A3F20KTE
Subtotal (1 reel of 4000 units)
$1,728.00(exc. GST)
$0.432/unit
Being discontinued
Nichicon 2200 μF Capacitor 16V dc, Through Hole - UVZ1C222MHD Radial Lead
  • RS Stock No. 167-1152
  • Mfr. Part No. UVZ1C222MHD
Subtotal (1 box of 100 units)
$58.00(exc. GST)
$0.58/unit
Last RS stock
KEMET Ferrite Bead 0.031 mm (Tape & Reel) (Chip Bead), 79.9 Ω impedance at 25 MHz, 47 Ω impedance at 100 MHz, 832.2 Ω
  • RS Stock No. 225-7800
  • Mfr. Part No. Z0603C331GPWZT
Subtotal (1 tape of 10 units)
$2.00(exc. GST)
$0.20/unit
In Stock
Murata, LQW, 0603 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 470 nH ±5 % 75 mA Idc Q:30
  • RS Stock No. 724-2894
  • Mfr. Part No. LQW18ANR47J00D
Subtotal (1 pack of 10 units)
$1.32(exc. GST)
$0.132/unit
Temporarily out of stock
onsemi 250MHz, Surface EMI Filter, Surface Mount
  • RS Stock No. 805-4402
  • Mfr. Part No. NUF4403MNT1G
Subtotal (1 tape of 25 units)
$23.525(exc. GST)
$0.941/unit
Last RS stock
TDK, 0402 (1005M) Multilayer Surface Mount Inductor 100 nH ±5% Multilayer 100mA Idc Q:6
  • RS Stock No. 604-1467
  • Mfr. Part No. MLK1005SR10JT
Subtotal (1 pack of 10 units)
$0.29(exc. GST)
$0.029/unit
In Stock
Bourns 6639 1 kΩ Precision Potentiometer 1-Turns 1-Gang Panel, 6639S-5-102
  • RS Stock No. 222-6938
  • Mfr. Part No. 6639S-5-102
Subtotal (1 bag of 10 units)
$301.55(exc. GST)
$30.155/unit
Currently unavailable
KEMET 47 nF Multilayer Ceramic Capacitor, 200V dc, ±5 %, Surface
  • RS Stock No. 835-4043
  • Mfr. Part No. C1210C473J2GACAUTO
Subtotal (1 pack of 5 units)
$8.12(exc. GST)
$1.624/unit
In Stock
Panasonic ECQE(F) Film Capacitor 1 μF 250V ac 250 V dc, Through Hole
  • RS Stock No. 622-4735
  • Mfr. Part No. ECQE2105JF
Subtotal (1 pack of 5 units)
$8.09(exc. GST)
$1.618/unit
In Stock
Bourns, SRN6045, 6045 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 15 μH Semi Shielded ±20 % 1.9 A Idc
  • RS Stock No. 743-5125
  • Mfr. Part No. SRN6045-150M
Subtotal (1 bag of 10 units)
$4.54(exc. GST)
$0.454/unit
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