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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Passive Components Kits
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Sounder, Buzzer & Microphone Components
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160792 Products showing for Passive Components

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Siretta TANGO41/1M/SMAM/S/S/32 Stubby Multi-Band Antenna with SMA Connector, 698 MHz, 2.7 GHz
  • RS Stock No. 140-8064
  • Mfr. Part No. TANGO41/1M/SMAM/S/S/32
Subtotal (1 bag of 1 unit)
SGD92.63(exc. GST)
SGD92.63/bag
Temporarily out of stock
TE Connectivity 30 mΩ Wirewound Resistor 7 W 10 %
  • RS Stock No. 163-9292
  • Mfr. Part No. ER58R03KT
Subtotal (1 box of 250 units)
SGD632.00(exc. GST)
SGD2.528/unit
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KOA TLR3AW 500 Ω, 2512 Metal Plate Surface Mount Resistor ±1 % 2 W - TLR3AWDTEL500F75
  • RS Stock No. 181-0429
  • Mfr. Part No. TLR3AWDTEL500F75
Subtotal (1 reel of 2000 units)
SGD1,048.00(exc. GST)
SGD0.524/unit
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RS PRO P25 500 Ω Rotary Potentiometer 1-Turns 1-Gang Panel Mount
  • RS Stock No. 842-7034P
Subtotal 1 unit (supplied in a bag)
SGD11.10(exc. GST)
SGD11.10/unit
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KEMET R46 Film Capacitor X2, ±20 %, 150 nF 275 V dc 275V ac, Through Hole
  • RS Stock No. 173-1675
  • Mfr. Part No. R46KI315040M2M
Subtotal (1 bag of 900 units)
SGD255.60(exc. GST)
SGD0.284/unit
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Vishay Single Layer Ceramic Capacitor 4.7 nF 400V ac ±20 % Y5U Dielectric, WYO, Through Hole 125 °C Max Op. Temp.
  • RS Stock No. 683-2207P
  • Mfr. Part No. WYO472MCMCF0KR
Subtotal 10 units (supplied in a bag)
SGD8.08(exc. GST)
SGD0.808/unit
Temporarily out of stock
Samsung Electro-Mechanics 4.7 μF Multilayer Ceramic Capacitor, 16V dc, ±10 %, Surface
  • RS Stock No. 171-1205
  • Mfr. Part No. CL10A475KO8NNNC
Subtotal (1 reel of 4000 units)
SGD132.00(exc. GST)
SGD0.033/unit
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TE Connectivity CPF-A 24.9 kΩ, 0402 Thin Film Surface Mount Resistor ±0.1 % Surface 0.06 W - CPF-A-0402B24K9E1
  • RS Stock No. 866-6920
  • Mfr. Part No. CPF-A-0402B24K9E1
Subtotal (1 bag of 10 units)
SGD4.19(exc. GST)
SGD0.419/unit
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Rubycon 2200 μF Capacitor 50V dc, Radial, Through Hole - 50PK2200MEFC16X31.5 Radial Lead
  • RS Stock No. 763-9472
  • Mfr. Part No. 50PK2200MEFC16X31.5
Subtotal (1 pack of 2 units)
SGD7.40(exc. GST)
SGD3.70/unit
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ROHM ESR10 910 Ω, 0805 Thick Film Resistor ±5 % 0.4 W - ESR10EZPJ911
  • RS Stock No. 262-9661
  • Mfr. Part No. ESR10EZPJ911
Subtotal (1 tape of 100 units)
SGD3.40(exc. GST)
SGD0.034/unit
Temporarily out of stock
KEMET 0.1 F Supercapacitor -20 to 80 % Tolerance, Supercap FM 5.5V dc, Through Hole
  • RS Stock No. 135-5822
  • Mfr. Part No. FMR0H104ZF
Subtotal (1 bag of 1000 units)
SGD2,136.00(exc. GST)
SGD2.136/unit
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Panasonic ERJUP8 1.8 kΩ, 1206 Thick Film Surface Mount Fixed Resistor ±1 % 0.66 W - ERJUP8F1801V
  • RS Stock No. 242-6532
  • Mfr. Part No. ERJUP8F1801V
Subtotal (1 reel of 5000 units)
SGD340.00(exc. GST)
SGD0.068/unit
Temporarily out of stock
Wurth Elektronik Ferrite Bead 0.9 mm (Surface) (0805) (EMI Suppression), 300 Ω impedance at 100 MHz
  • RS Stock No. 144-9845
  • Mfr. Part No. 742792031
Subtotal (1 reel of 4000 units)
SGD824.00(exc. GST)
SGD0.206/unit
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Roxburgh EMC 120 μH Ferrite Leaded Inductor, Max SRF:440 Hz, 6 A Idc, 40 mΩ Rdc 250V ac, SMV
  • RS Stock No. 122-3298
  • Mfr. Part No. SMV60
Subtotal (1 unit)
SGD8.07(exc. GST)
SGD8.07/unit
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RS PRO 28 mm Knob Diameter Black, Grey Potentiometer Knob for 6 mm Shaft Circular
  • RS Stock No. 259-7045
Subtotal (1 pack of 5 units)
SGD20.14(exc. GST)
SGD4.028/unit
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RS PRO RSTN 56 kΩ, 0603 Thin Film Resistor 0.5 % 0.15 W
  • RS Stock No. 243-0637
Subtotal (1 tape of 50 units)
SGD7.75(exc. GST)
SGD0.155/unit
In Stock
2 mΩ, Surface Trimmer Potentiometer, J-Hook 0.25 W Top Adjust Nidec Components, ST4
  • RS Stock No. 244-4400P
  • Mfr. Part No. ST-4ETA104
Subtotal 5 units (supplied on a continuous strip)
SGD7.94(exc. GST)
SGD1.588/unit
Currently unavailable
Vishay 665 Ω Thin Film Resistor 0.6 W 1 %
  • RS Stock No. 169-5323
  • Mfr. Part No. MRS25000C6650FCT00
Subtotal (1 reel of 5000 units)
SGD350.00(exc. GST)
SGD0.07/unit
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Nichicon 2200 μF Capacitor 25V dc, Radial, Through Hole - UHE1E222MHD Radial Lead
  • RS Stock No. 490-9995
  • Mfr. Part No. UHE1E222MHD
Subtotal (1 pack of 5 units)
SGD6.29(exc. GST)
SGD1.258/unit
In Stock
Vishay 11 kΩ Thin Film Resistor 0.6 W 1 % MBB02070C1102FCT00
  • RS Stock No. 477-8252
  • Mfr. Part No. MBB02070C1102FCT00
Subtotal (1 pack of 50 units)
SGD5.35(exc. GST)
SGD0.107/unit
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