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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159105 Products showing for Passive Components

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ROHM MCRS Series 9.1 MΩ, 0603 Thick Film Resistor ±1 % Surface 0.13 W - MCR03SEQPF9104
  • RS Stock No. 780-349P
  • Mfr. Part No. MCR03SEQPF9104
Subtotal 1000 units (supplied on a reel)
SGD15.00(exc. GST)
SGD0.015/unit
Temporarily out of stock
Panasonic 220 μF Polymer Capacitor 10V dc, Surface
  • RS Stock No. 795-5187P
  • Mfr. Part No. 10SVPE220M
Subtotal 2 units (supplied on a continuous strip)
SGD6.16(exc. GST)
SGD3.08/unit
In Stock
ROHM MCRS Series 4300 kΩ, 0603 Thick Film Resistor ±1 % Surface 0.13 W - MCR03SEQPF4304
  • RS Stock No. 780-618
  • Mfr. Part No. MCR03SEQPF4304
Subtotal (1 tape of 1000 units)
SGD15.00(exc. GST)
SGD0.015/unit
Temporarily out of stock
KEMET C4AF Polypropylene Capacitor, 10 %, 7.5 μF 250V ac, PCB
  • RS Stock No. 207-8827
  • Mfr. Part No. C4AF1BU4750T12K
Subtotal (1 box of 64 units)
SGD218.24(exc. GST)
SGD3.41/unit
Temporarily out of stock
TDK B32654 Film Capacitor 3.3 μF 200V ac 400 V dc, Through Hole 2
  • RS Stock No. 190-8343
  • Mfr. Part No. B32654A4335K000
Subtotal (1 unit)
SGD4.81(exc. GST)
SGD4.81/unit
Temporarily out of stock
Arcol Ohmite HS10 27R J, 27 Ω 10 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 166-4129
  • Mfr. Part No. HS10 27R J
Subtotal (1 bag of 100 units)
SGD461.00(exc. GST)
SGD4.61/unit
Last RS stock
KEMET 10000 μF Capacitor 500V dc, Screw - ALS70A103NT500
  • RS Stock No. 144-3164
  • Mfr. Part No. ALS70A103NT500
Subtotal (1 box of 6 units)
SGD1,313.838(exc. GST)
SGD218.973/unit
In Stock
Bourns, SRP1038A, 1038 Shielded Wirewound Surface Mount Inductor with a Carbonyl Powder Core, 47 μH ±20 % 3 A Idc Q:20
  • RS Stock No. 819-3337
  • Mfr. Part No. SRP1038A-470M
Subtotal (1 bag of 5 units)
SGD7.51(exc. GST)
SGD1.502/unit
In Stock
RS PRO 100 Ω Metal Film Resistor 0.4 W 0.25 %
  • RS Stock No. 174-2770P
Subtotal 100 units (supplied in a box)
SGD10.90(exc. GST)
SGD0.109/unit
Temporarily out of stock
Wurth Elektronik 10 μF Capacitor 63V dc, Radial, Through Hole - 860010772009 Radial Lead
  • RS Stock No. 163-6531
  • Mfr. Part No. 860010772009
Subtotal (1 box of 2000 units)
SGD194.00(exc. GST)
SGD0.097/unit
In Stock
Bourns, SRP1038WA, 1038 Shielded Power Inductor with a Metal Alloy Powder Core, 1.8 μH ±20 % 20 A Idc Q:20
  • RS Stock No. 247-6034P
  • Mfr. Part No. SRP1038WA-1R8M
Subtotal 1 unit (supplied on a continuous strip)
SGD2.47(exc. GST)
SGD2.47/unit
In Stock
Murata 4.7 μF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 113-8707
  • Mfr. Part No. GRM21BR61H475KE51L
Subtotal (1 pack of 100 units)
SGD8.80(exc. GST)
SGD0.088/unit
Temporarily out of stock
Panasonic ERJPC6 4990000 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.25 W -
  • RS Stock No. 789-483P
  • Mfr. Part No. ERJPC6D4994V
Subtotal 10 units (supplied on a continuous strip)
SGD0.94(exc. GST)
SGD0.094/unit
In Stock
TE Connectivity Thermistor, NTC Type 10 kΩ, Flag Terminal housing 313 mm 14 mm
  • RS Stock No. 893-7354P
  • Mfr. Part No. GA10K4D25
Subtotal 1 unit (supplied in a bag)
SGD31.86(exc. GST)
SGD31.86/unit
Temporarily out of stock
Wurth Elektronik 180 μF Capacitor 10V dc, Radial, Through Hole - 860080273006 Radial Lead
  • RS Stock No. 163-6684
  • Mfr. Part No. 860080273006
Subtotal (1 box of 1500 units)
SGD186.00(exc. GST)
SGD0.124/unit
In Stock
RS PRO 97 dB Surface High External Magnetic Buzzer Component 4 mm 3 V Min 8.5 mm 8.5mm 5V Max
  • RS Stock No. 754-2053
Subtotal (1 bag of 5 units)
SGD12.60(exc. GST)
SGD2.52/unit
Temporarily out of stock
KEMET 470 μF Through Hole Polymer Capacitor, 16V dc
  • RS Stock No. 124-8267
  • Mfr. Part No. A750KS477M1CAAE013
Subtotal (1 pack of 10 units)
SGD7.28(exc. GST)
SGD0.728/unit
In Stock
Taoglas FXUB66.01.0150C FPC Multi-Band Antenna with SMA Connector, 700 MHz, 6000 MHz, 4G/3G
  • RS Stock No. 764-061
  • Mfr. Part No. FXUB66.01.0150C
Subtotal (1 unit)
SGD54.74(exc. GST)
SGD54.74/unit
In Stock
KEMET 10 μF Surface Polymer Capacitor, 50V dc
  • RS Stock No. 187-7089
  • Mfr. Part No. T521D106M050ATE120
Subtotal (1 reel of 500 units)
SGD800.00(exc. GST)
SGD1.60/unit
In Stock
TDK 10000 μF Capacitor 63V dc, Snap-in - B41231B8109M060
  • RS Stock No. 171-3276
  • Mfr. Part No. B41231B8109M060
Subtotal (1 unit)
SGD11.59(exc. GST)
SGD11.59/unit
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