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
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Sounder, Buzzer & Microphone Components
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Surge Protection Components
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160822 Products showing for Passive Components

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TE Connectivity Holsworthy RA73 511 Ω, 0805 Thin Film Surface Mount Fixed Resistor 0.1 % Surface 1 W - RA73F2A511RBTDF
  • RS Stock No. 238-9907
  • Mfr. Part No. RA73F2A511RBTDF
Subtotal (1 reel of 1000 units)
SGD1,525.00(exc. GST)
SGD1.525/unit
Last RS stock
Vishay CRCW 1.69 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % Surface 0.13 W - CRCW08051K69FKEA
  • RS Stock No. 679-1020
  • Mfr. Part No. CRCW08051K69FKEA
Subtotal (1 pack of 50 units)
SGD1.95(exc. GST)
SGD0.039/unit
In Stock
Vishay 68 μF MnO2 Tantalum Capacitor 16V dc, Surface, 293D Series
  • RS Stock No. 684-4200
  • Mfr. Part No. 293D686X9016D2TE3
Subtotal (1 pack of 5 units)
SGD9.43(exc. GST)
SGD1.886/unit
In Stock
Vishay MKT368 Film Capacitor 1 μF 63V ac 100 V dc, Through Hole
  • RS Stock No. 115-607
  • Mfr. Part No. BFC236825105
Subtotal (1 pack of 5 units)
SGD12.59(exc. GST)
SGD2.518/unit
In Stock
Panasonic 1800 μF Capacitor 25V dc, Through Hole - EEUFC1E182L Radial Lead
  • RS Stock No. 571-993
  • Mfr. Part No. EEUFC1E182L
Subtotal (1 pack of 5 units)
SGD9.70(exc. GST)
SGD1.94/unit
Temporarily out of stock
KEMET 67 μH 2 A Common Mode Choke 67.8 mΩ
  • RS Stock No. 183-6674
  • Mfr. Part No. HHBC8S-0R6A0067V
Subtotal (1 pack of 5 units)
SGD24.51(exc. GST)
SGD4.902/unit
Temporarily out of stock
Murata 47 μF Multilayer Ceramic Capacitor, 10V dc, ±10 %, Surface
  • RS Stock No. 165-6423
  • Mfr. Part No. GRT31CR61A476KE13L
Subtotal (1 reel of 2000 units)
SGD664.00(exc. GST)
SGD0.332/unit
Temporarily out of stock
Panasonic ERJ 22 Ω, 0805 Thick Film Surface Mount Resistor ±1 % 0.5 W - ERJP06F22R0V
  • RS Stock No. 183-8904
  • Mfr. Part No. ERJP06F22R0V
Subtotal (1 reel of 5000 units)
SGD215.00(exc. GST)
SGD0.043/unit
In Stock
Wurth Elektronik, WE-CBF, 1206 Shielded Multilayer Surface Mount Inductor with a Ferrite Core, Multilayer 3 A Idc
  • RS Stock No. 144-9803
  • Mfr. Part No. 742792113
Subtotal (1 reel of 3000 units)
SGD705.00(exc. GST)
SGD0.235/unit
Temporarily out of stock
Bourns, SRN8040 Shielded Surface Mount Inductor with a Ferrite Core, 2.2 μH ±30 % 6.3 A Idc Q:13
  • RS Stock No. 246-3305
  • Mfr. Part No. SRN8040-2R2Y
Subtotal (1 reel of 1000 units)
SGD420.00(exc. GST)
SGD0.42/unit
Currently unavailable
TE Connectivity 115 Ω Metal Film Resistor 0.25 W 0.1 % YR1B115RCC
  • RS Stock No. 755-0776
  • Mfr. Part No. YR1B115RCC
Subtotal (1 pack of 5 units)
SGD7.08(exc. GST)
SGD1.416/unit
In Stock
RS PRO 100 μF Capacitor 250V dc, Axial, Through Hole Axial
  • RS Stock No. 707-6568
Subtotal (1 pack of 2 units)
SGD13.39(exc. GST)
SGD6.695/unit
In Stock
Wurth Elektronik, WE-RFI, 0805 Shielded Surface Mount Inductor with a Ferrite Core, 2.7 μH Ferrite Core ±5 % 100 mA Idc
  • RS Stock No. 800-7747
  • Mfr. Part No. 744760327A
Subtotal (1 pack of 5 units)
SGD3.20(exc. GST)
SGD0.64/unit
In Stock
IQD 32.768 kHz Crystal Unit ±20 ppm Surface Mount 4-Pin 2.5 mm 8.7 mm 3.7mm
  • RS Stock No. 148-4350
  • Mfr. Part No. LFXTAL016178
Subtotal (1 pack of 20 units)
SGD9.30(exc. GST)
SGD0.465/unit
Temporarily out of stock
Bourns PC 10 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, Through Hole
  • RS Stock No. 167-4561
  • Mfr. Part No. PCW1J-B24-KAB103L
Subtotal (1 tray of 45 units)
SGD330.03(exc. GST)
SGD7.334/unit
In Stock
Vishay P16 47 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, P16BP473MAB15
  • RS Stock No. 249-1478
  • Mfr. Part No. P16BP473MAB15
Subtotal (1 box of 20 units)
SGD480.82(exc. GST)
SGD24.041/unit
Currently unavailable
Wurth Elektronik, WE-MK, 0603 Shielded Multilayer Surface Mount Inductor with a Ceramic Core, 8.2 nH Multilayer ±0.05 %
  • RS Stock No. 163-8103
  • Mfr. Part No. 744786082A
Subtotal (1 reel of 4000 units)
SGD364.00(exc. GST)
SGD0.091/unit
In Stock
KEMET C44U Polypropylene Capacitor, ±10 %, 2740 μF 900 V dc, Stud Mount
  • RS Stock No. 228-8833
  • Mfr. Part No. C44UOGT7274M32K
Subtotal (1 unit)
SGD285.23(exc. GST)
SGD285.23/unit
In Stock
Panasonic ERA 3.48 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % 0.1 W - ERA3ARB3481V
  • RS Stock No. 179-8927
  • Mfr. Part No. ERA3ARB3481V
Subtotal (1 reel of 250 units)
SGD94.50(exc. GST)
SGD0.378/unit
In Stock
Vishay CRCW 1 Ω, 0805 Thick Film Surface Mount Resistor ±1 % 0.5 W - CRCW08051R00FKEAHP
  • RS Stock No. 812-3460
  • Mfr. Part No. CRCW08051R00FKEAHP
Subtotal (1 bag of 25 units)
SGD3.05(exc. GST)
SGD0.122/unit
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