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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Passive Components Kits
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160402 Products showing for Passive Components

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Nichicon 1000 μF Capacitor 35V dc, Radial, Through Hole - UHE1V102MHD Radial Lead
  • RS Stock No. 491-0204
  • Mfr. Part No. UHE1V102MHD
Subtotal (1 pack of 5 units)
SGD3.62(exc. GST)
SGD0.724/unit
Being discontinued
Nichicon 330 μF Capacitor 10V dc, Through Hole Radial Lead
  • RS Stock No. 762-1635
  • Mfr. Part No. UBT1A331MPD8
Subtotal (1 pack of 5 units)
SGD5.62(exc. GST)
SGD1.124/unit
In Stock
Panasonic ERJ12R 2.7 Ω, 1812 Thick Film Surface Mount Resistor ±1 % 0.5 W - ERJ12RQF2R7U
  • RS Stock No. 721-6085
  • Mfr. Part No. ERJ12RQF2R7U
Subtotal (1 pack of 5 units)
SGD3.53(exc. GST)
SGD0.706/unit
Limited stock
KEMET C3B Film Capacitor, ±10 %, 10 μF 275V ac, Cable
  • RS Stock No. 173-4206
  • Mfr. Part No. C3B2AD45100B20K
Subtotal (1 bag of 110 units)
SGD1,317.69(exc. GST)
SGD11.979/unit
In Stock
OKW 23 mm Knob Diameter Black Potentiometer Knob for 0.25 in Shaft Round Shaft, A4123100
  • RS Stock No. 283-2068
  • Mfr. Part No. A4123100
Subtotal (1 unit)
SGD2.77(exc. GST)
SGD2.77/unit
In Stock
Bourns 24 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Indexed), Through Hole
  • RS Stock No. 167-5393
  • Mfr. Part No. PEC11R-4215K-N0024
Subtotal (1 bag of 75 units)
SGD133.50(exc. GST)
SGD1.78/unit
In Stock
Vishay 1 Ω Thick Film Resistor 30 W 1 % LTO030F1R000FTE3
  • RS Stock No. 822-0019
  • Mfr. Part No. LTO030F1R000FTE3
Subtotal (1 unit)
SGD6.82(exc. GST)
SGD6.82/unit
In Stock
PUI Audio 8 Ω 3 W Miniature Speaker 25 mm, 41mm
  • RS Stock No. 276-829
  • Mfr. Part No. AS07108PO-R
Subtotal (1 unit)
SGD7.05(exc. GST)
SGD7.05/unit
Temporarily out of stock
KEMET 15000 μF Capacitor 250V dc, Screw
  • RS Stock No. 172-6959
  • Mfr. Part No. ALS30A153NT250
Subtotal (1 bag of 6 units)
SGD1,833.90(exc. GST)
SGD305.65/unit
In Stock
TE Connectivity, LR Metal Film, Through Hole Resistor Kit 20, 1 Ω → 1 MΩ
  • RS Stock No. 247-6730
  • Mfr. Part No. RES KIT LR2RS
Subtotal (1 unit)
SGD874.71(exc. GST)
SGD874.71/unit
In Stock
Vishay 19 mm Knob Diameter Black Potentiometer Knob for 0.25 in Shaft Screw Fix, ACCKMR1916NLT14
  • RS Stock No. 653-053
  • Mfr. Part No. ACCKMR1916NLT14
Subtotal (1 unit)
SGD6.49(exc. GST)
SGD6.49/unit
In Stock
KEMET C87 Film Capacitor, ±5 %, 15 μF 450V ac, Chassis Mount
  • RS Stock No. 377-8790
  • Mfr. Part No. C878BF35150SA0J
Subtotal (1 unit)
SGD18.41(exc. GST)
SGD18.41/unit
In Stock
Siretta TANGO44/5M/LL/SMAM/S/S/19 Puck Multi-Band Antenna with SMA Male Connector, ZigBee, ISM, NB IoT, WiFi (Dual
  • RS Stock No. 140-8071
  • Mfr. Part No. TANGO44/5M/LL/SMAM/S/S/19
Subtotal (1 bag of 1 unit)
SGD53.13(exc. GST)
SGD53.13/bag
Last RS stock
Vishay 120 μF Capacitor 450V dc, Snap-in
  • RS Stock No. 206-8763
  • Mfr. Part No. MAL219367121E3
Subtotal (1 unit)
SGD11.08(exc. GST)
SGD11.08/unit
In Stock
Eaton 1 F Supercapacitor -20 to 80 % Tolerance, Supercap KW 5.5V dc, Through Hole
  • RS Stock No. 769-6217
  • Mfr. Part No. KW-5R5C105-R
Subtotal (1 unit)
SGD11.71(exc. GST)
SGD11.71/unit
Temporarily out of stock
Schaffner, FN2030 10 A 250V ac/dc 400Hz, Chassis Mount EMI Filter, Fast-On 1 Phase
  • RS Stock No. 170-5230
  • Mfr. Part No. FN2030-10-06
Subtotal (1 box of 50 units)
SGD1,696.45(exc. GST)
SGD33.929/unit
In Stock
TE Connectivity 200 Ω Metal Film Resistor 0.5 W 0.1 % UPF50B200RV
  • RS Stock No. 807-3731
  • Mfr. Part No. UPF50B200RV
Subtotal (1 unit)
SGD8.80(exc. GST)
SGD8.80/unit
In Stock
KEMET PHE426 Film Capacitor, ±5 %, 10 nF 630 V dc 160V ac, Through Hole
  • RS Stock No. 414-7939P
  • Mfr. Part No. PHE426MA5100JR05
Subtotal 10 units (supplied in a bag)
SGD5.24(exc. GST)
SGD0.524/unit
Temporarily out of stock
TE Connectivity HSA5330RJ, 330 Ω 10 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 720-4808
  • Mfr. Part No. HSA5330RJ
Subtotal (1 unit)
SGD6.97(exc. GST)
SGD6.97/unit
In Stock
Siretta OSCAR1A/5M/SMAM/S/S/31 Puck Multi-Band Antenna with SMA Male Connector, 410 MHz, 5990 MHz, IEEE 802.15.4, NB
  • RS Stock No. 124-8874
  • Mfr. Part No. OSCAR1A/5M/SMAM/S/S/31
Subtotal (1 unit)
SGD57.91(exc. GST)
SGD57.91/unit
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