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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Variable Resistors

160398 Products showing for Passive Components

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Panasonic 220 μF Capacitor 63V dc, Radial - EEUFC1J221X Radial Lead
  • RS Stock No. 628-3841
  • Mfr. Part No. EEUFC1J221X
Subtotal (1 pack of 5 units)
SGD6.36(exc. GST)
SGD1.272/unit
In Stock
KEMET 33000 μF Capacitor 40V dc, Screw
  • RS Stock No. 381-9043
  • Mfr. Part No. ALS30A333KE040
Subtotal (1 unit)
SGD40.84(exc. GST)
SGD40.84/unit
Temporarily out of stock
KEMET 31 mH 2 A Common Mode Choke 0.214 Ω 250V ac
  • RS Stock No. 183-6720
  • Mfr. Part No. SSRH24NV-20310
Subtotal (1 unit)
SGD4.44(exc. GST)
SGD4.44/unit
Temporarily out of stock
Bourns 3852 10 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, 3852A-282-103AL
  • RS Stock No. 737-7650
  • Mfr. Part No. 3852A-282-103AL
Subtotal (1 unit)
SGD18.10(exc. GST)
SGD18.10/unit
In Stock
Vishay 33 kΩ Thin Film Resistor 0.4 W 1 % MBA02040C3302FC100
  • RS Stock No. 151-173
  • Mfr. Part No. MBA02040C3302FC100
Subtotal (1 pack of 100 units)
SGD33.50(exc. GST)
SGD0.335/unit
In Stock
CHEMI-CON 10000 μF Capacitor 63V dc, Snap-in - EKMH630VSN103MA50S
  • RS Stock No. 145-0340
  • Mfr. Part No. EKMH630VSN103MA50S
Subtotal (1 unit)
SGD15.93(exc. GST)
SGD15.93/unit
In Stock
Fair-Rite Openable, Diameter 5.1 mm Ferrite Core, Apertures: 1 5.6 mm 25 mm 12.8 mm, For EMI Suppression
  • RS Stock No. 466-9243
  • Mfr. Part No. 0444173951
Subtotal (1 unit)
SGD2.35(exc. GST)
SGD2.35/unit
In Stock
KOA 47 kΩ Metal Film Resistor 0.25 W 1 % MF1/4CC4702F
  • RS Stock No. 463-9810
  • Mfr. Part No. MF1/4CC4702F
Subtotal (1 bag of 100 units)
SGD13.10(exc. GST)
SGD0.131/unit
In Stock
Nichicon 220 μF Capacitor 250V dc, Radial, Through Hole - UCS2E221MHD Radial Lead
  • RS Stock No. 715-2252
  • Mfr. Part No. UCS2E221MHD
Subtotal (1 unit)
SGD4.16(exc. GST)
SGD4.16/unit
In Stock
Vishay 46 mm Knob Diameter Chrome Potentiometer Knob for 6.35 mm Shaft Circular, 21PA11B10
  • RS Stock No. 486-7188
  • Mfr. Part No. 21PA11B10
Subtotal (1 unit)
SGD58.99(exc. GST)
SGD58.99/unit
Last RS stock
Nichicon 47 μF Capacitor 50V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 762-1742P
  • Mfr. Part No. UBT1H470MPD8
Subtotal 5 units (supplied in a bag)
SGD4.69(exc. GST)
SGD0.938/unit
In Stock
Panasonic 2.2 μF Capacitor 50V dc, Radial, Through Hole Radial Lead
  • RS Stock No. 414-9159P
  • Mfr. Part No. EEAGA1H2R2
Subtotal 25 units (supplied in a bag)
SGD4.65(exc. GST)
SGD0.186/unit
In Stock
TE Connectivity, CRGH Thick Film, Surface 121 Resistor Kit 100, 10 Ω → 1 MΩ
  • RS Stock No. 207-4708
  • Mfr. Part No. CRGH0603F-LAB-KIT
Subtotal (1 unit)
SGD695.80(exc. GST)
SGD695.80/unit
Last RS stock
TE Connectivity 3.3 Ω Wirewound Wirewound Resistor 1 W 5 %
  • RS Stock No. 272-2493P
  • Mfr. Part No. EP1WSSS3R3J
Subtotal 10 units (supplied in a box)
SGD1.90(exc. GST)
SGD0.19/unit
In Stock
KOA 4.3 kΩ Metal Film Resistor 0.25 W 1 % MF1/4CC4301F
  • RS Stock No. 463-9539
  • Mfr. Part No. MF1/4CC4301F
Subtotal (1 bag of 100 units)
SGD34.00(exc. GST)
SGD0.34/unit
In Stock
KEMET RC Capacitor 100 nF 100 Ω ±30 % 1 630 V dc, Through Hole, PMR209
  • RS Stock No. 206-7881
  • Mfr. Part No. PMR209MC6100M100R30
Subtotal (1 pack of 5 units)
SGD20.10(exc. GST)
SGD4.02/unit
In Stock
Yageo 270 Ω Metal Film Metal Film Fixed Resistor 0.25 W 1 % MFR-25FTE52-270R
  • RS Stock No. 199-7917
  • Mfr. Part No. MFR-25FTE52-270R
Subtotal (1 tape of 100 units)
SGD3.30(exc. GST)
SGD0.033/unit
Last RS stock
TE Connectivity 137 Ω Metal Film Resistor 0.25 W 0.1 % YR1B137RCC
  • RS Stock No. 755-0864
  • Mfr. Part No. YR1B137RCC
Subtotal (1 pack of 5 units)
SGD5.80(exc. GST)
SGD1.16/unit
In Stock
Oxley, DLT4, Signal Filter, 200V dc 0.0004MHz, 10 A, Panel Mount, Lead 36 mm 36 mm
  • RS Stock No. 239-163
Subtotal (1 unit)
SGD36.77(exc. GST)
SGD36.77/unit
In Stock
KEMET R46 Film Capacitor X2, ±20 %, 220 nF 560 V dc 275V ac, Through Hole
  • RS Stock No. 165-0304
  • Mfr. Part No. R46KI322040P0M
Subtotal (1 pack of 10 units)
SGD5.46(exc. GST)
SGD0.546/unit
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