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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Antennas
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Capacitors
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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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Rotary Encoders
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
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Surge Protection Components
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163676 Products showing for Passive Components

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TE Connectivity 15 Ω Carbon Film Resistor 1 W 5 % CFR100J15R
  • RS Stock No. 131-722
  • Mfr. Part No. CFR100J15R
Subtotal (1 pack of 10 units)
SGD2.21(exc. GST)
SGD0.221/unit
Temporarily out of stock
KEMET 33 μF Surface Polymer Capacitor, 6.3V dc
  • RS Stock No. 173-7238
  • Mfr. Part No. T520B336M006ATE040
Subtotal (1 pack of 10 units)
SGD11.44(exc. GST)
SGD1.144/unit
Temporarily out of stock
Vishay Single Layer Ceramic Capacitor 3.3 nF 760V ac ±20 % Y5U Dielectric, SMD Y1, Surface 125 °C Max Op. Temp.
  • RS Stock No. 210-7450
  • Mfr. Part No. SMDY1332MY5UDR
Subtotal (1 reel of 500 units)
SGD685.00(exc. GST)
SGD1.37/unit
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Wurth Elektronik WCAP-FTXX Polypropylene Capacitor X2, ±10 %, 22 nF 310 V dc 310V ac, Through Hole
  • RS Stock No. 871-2502P
  • Mfr. Part No. 890334023011CS
Subtotal 10 units (supplied in a bag)
SGD5.10(exc. GST)
SGD0.51/unit
In Stock
KEMET 2.2 nF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 146-6516
  • Mfr. Part No. C0603C222J5GACTU
Subtotal (1 reel of 4000 units)
SGD216.00(exc. GST)
SGD0.054/unit
In Stock
TDK 47 pF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 242-7337
  • Mfr. Part No. C1608C0G1H470J080AA
Subtotal (1 pack of 100 units)
SGD4.40(exc. GST)
SGD0.044/unit
Temporarily out of stock
Bourns, SRP7028AA, 7028 Shielded Power Inductor with a Metal Alloy Powder Core, 560 nH ±20 % 16.5 A Idc Q:10
  • RS Stock No. 247-6159
  • Mfr. Part No. SRP7028AA-R56M
Subtotal (1 reel of 1000 units)
SGD891.00(exc. GST)
SGD0.891/unit
Temporarily out of stock
Wurth Elektronik, WE-LQS, 4012 Shielded Wirewound Surface Mount Inductor with a Iron Core, 68 μH Moulded ±20 % 450 mA
  • RS Stock No. 163-7805
  • Mfr. Part No. 74404041680
Subtotal (1 reel of 4500 units)
SGD3,870.00(exc. GST)
SGD0.86/unit
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TE Connectivity THS50R10J, 100 mΩ 50 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 754-7408
  • Mfr. Part No. THS50R10J
Subtotal (1 unit)
SGD11.41(exc. GST)
SGD11.41/unit
In Stock
TDK Single Layer Ceramic Capacitor 470 pF 2kV dc ±10 %, CK45, Through Hole 105 °C Max Op. Temp.
  • RS Stock No. 253-2800
  • Mfr. Part No. CK45-B3DD471KYNNA
Subtotal (1 tape of 20 units)
SGD5.94(exc. GST)
SGD0.297/unit
In Stock
TDK, B84113C 3 A 250V ac 50Hz, 60 Hz, Chassis Mount EMC Filter, Tab 1 Phase
  • RS Stock No. 167-8289
  • Mfr. Part No. B84113C0000B030
Subtotal (1 box of 32 units)
SGD1,852.67(exc. GST)
SGD57.896/unit
Temporarily out of stock
Abracon 20 MHz Crystal Unit ±20 ppm Surface Mount 4-Pin 1.2 mm 6 mm 3.5mm
  • RS Stock No. 241-3034
  • Mfr. Part No. ABMM2-20.000MHZ-E2-T
Subtotal (1 reel of 1000 units)
SGD1,000.00(exc. GST)
SGD1.00/unit
In Stock
Yageo 39 kΩ Metal Film Metal Film Fixed Resistor 0.5 W 1 % MFR50SFTE52-39K
  • RS Stock No. 199-7729
  • Mfr. Part No. MFR50SFTE52-39K
Subtotal (1 tape of 100 units)
SGD4.50(exc. GST)
SGD0.045/unit
Temporarily out of stock
Wurth Elektronik 1 mH Manganese Zinc Ferrite Leaded Inductor, Max SRF:2 MHz, 6 A Idc, 13 mΩ Rdc, WE-CMB
  • RS Stock No. 163-3397
  • Mfr. Part No. 744823601
Subtotal (1 box of 90 units)
SGD508.59(exc. GST)
SGD5.651/unit
Temporarily out of stock
RS PRO 8 Ω 2 W Miniature Speaker 20 mm Dia., 100 mm Lead Length 5.25 mm
  • RS Stock No. 136-7923
Subtotal (1 tray of 40 units)
SGD310.00(exc. GST)
SGD7.75/unit
In Stock
Abracon, 14.7456MHz Crystal Oscillator Crystal Oscillator, ±50 ppm CMOS, 4-Pin Surface Mount ASE-14.7456MHZ-LC-T
  • RS Stock No. 240-3558
  • Mfr. Part No. ASE-14.7456MHZ-LC-T
Subtotal (1 pack of 5 units)
SGD10.98(exc. GST)
SGD2.196/unit
Last RS stock
Nichicon 2.2μF Electrolytic Capacitor 50V dc, Through Hole - UFG1H2R2MDM
  • RS Stock No. 602-2551
  • Mfr. Part No. UFG1H2R2MDM
Subtotal (1 pack of 5 units)
SGD1.20(exc. GST)
SGD0.24/unit
In Stock
20 Ω, Through Hole Trimmer Potentiometer, Pin 0.5 W Side Adjust Vishay, 43P
  • RS Stock No. 162-647
  • Mfr. Part No. M43P200KB40
Subtotal (1 unit)
SGD5.68(exc. GST)
SGD5.68/unit
In Stock
Siretta OSCAR41/x/NTYPEF/S/S/29 Whip Multi-Band Antenna with Type N Female Connector, 790 MHz, 2.7 GHz, 2G (GSM/GPRS),
  • RS Stock No. 124-8872
  • Mfr. Part No. OSCAR41/x/NTYPEF/S/S/29
Subtotal (1 unit)
SGD101.57(exc. GST)
SGD101.57/unit
Temporarily out of stock
KEMET 330 μF Surface Polymer Capacitor, 16V dc
  • RS Stock No. 173-7139
  • Mfr. Part No. T521X337M016ATE050
Subtotal (1 unit)
SGD10.28(exc. GST)
SGD10.28/unit
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