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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Fixed Resistors
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Inductors
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Passive Components Kits
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Sounder, Buzzer & Microphone Components
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Surge Protection Components
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163002 Products showing for Passive Components

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Panasonic 68 μF Aluminium Electrolytic Capacitor 35V, Surface Surface Mount - EEEFN1V680UP
  • RS Stock No. 781-678P
  • Mfr. Part No. EEEFN1V680UP
Subtotal 5 units (supplied on a continuous strip)
SGD1.91(exc. GST)
SGD0.382/unit
In Stock
Vishay CRCW 249 kΩ, 0402 Thick Film Surface Mount Resistor ±1 % 0.06 W - CRCW0402249KFKED
  • RS Stock No. 678-9009
  • Mfr. Part No. CRCW0402249KFKED
Subtotal (1 pack of 50 units)
SGD1.35(exc. GST)
SGD0.027/unit
In Stock
TDK, EHV 90 V dc 5 kA, Through Hole 2 Electrode Arrester Gas Discharge Tube
  • RS Stock No. 167-8422
  • Mfr. Part No. B88069X0720S102
Subtotal (1 box of 100 units)
SGD160.00(exc. GST)
SGD1.60/unit
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KEMET PHE850 Film Capacitor Y2, ±20 %, 22 nF 1.25 kV dc 300V ac, Through Hole
  • RS Stock No. 616-7935
  • Mfr. Part No. PHE850EB5220MB06R17
Subtotal (1 pack of 25 units)
SGD19.30(exc. GST)
SGD0.772/unit
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Sonitron Piezoelectric Miniature Speaker, 84 dB 200 Hz, 580 nF 20 kHz, 5 V 25 V 2 mm 70mm 87 mm
  • RS Stock No. 786-8923
  • Mfr. Part No. SPS-8770-03-C1
Subtotal (1 unit)
SGD33.63(exc. GST)
SGD33.63/unit
Temporarily out of stock
Broadcom 5V dc Optical Encoder Hollow Shaft Shaft, Standard, Pin Terminal
  • RS Stock No. 830-848
  • Mfr. Part No. HEDS-5500#E06
Subtotal (1 tray of 50 units)
SGD4,171.70(exc. GST)
SGD83.434/unit
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Vishay 1500 μF Aluminium Electrolytic Capacitor 500V dc, Through Hole - MAL229959152E3
  • RS Stock No. 277-732
  • Mfr. Part No. MAL229959152E3
Subtotal (1 unit)
SGD156.49(exc. GST)
SGD156.49/unit
In Stock
Sifam 11.5 mm Knob Diameter Black Potentiometer Knob for 6 mm Shaft D Shaped, 3/03/DR110-006/237/233
  • RS Stock No. 299-4907
  • Mfr. Part No. 3/03/DR110-006/237/233
Subtotal (1 pack of 5 units)
SGD6.24(exc. GST)
SGD1.248/unit
Temporarily out of stock
RS PRO 8.2 nF Mica Capacitor 500V dc ±1 % Tolerance Radial
  • RS Stock No. 495-947
Subtotal (1 unit)
SGD70.92(exc. GST)
SGD70.92/unit
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Schaffner, FN3287 63 A 530V ac 60Hz, Chassis Mount EMC Filter, Terminal Block 3 Phase
  • RS Stock No. 184-7780
  • Mfr. Part No. FN3287-63-53-C26-R65
Subtotal (1 unit)
SGD493.52(exc. GST)
SGD493.52/unit
In Stock
RS PRO 20 A 520V ac 50Hz, 60 Hz, DIN Rail Power Line Filter, Terminal Block 3 Phase
  • RS Stock No. 286-7323
Subtotal (1 unit)
SGD69.14(exc. GST)
SGD69.14/unit
Temporarily out of stock
KEMET 0.1 F Supercapacitor -20 to 80 % Tolerance, Supercap FS 5.5V dc, Through Hole
  • RS Stock No. 172-6714
  • Mfr. Part No. FS0H104ZF
Subtotal (1 box of 600 units)
SGD1,801.80(exc. GST)
SGD3.003/unit
In Stock
TE Connectivity, 15 Ω 15 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 754-7679P
  • Mfr. Part No. THS1515RJ
Subtotal 1 unit (supplied in a bag)
SGD7.01(exc. GST)
SGD7.01/unit
Temporarily out of stock
TDK B32529 Film Capacitor 47 nF 160V ac 250 V dc, Through Hole 2
  • RS Stock No. 334-142
  • Mfr. Part No. B32529C3473J000
Subtotal (1 pack of 25 units)
SGD7.20(exc. GST)
SGD0.288/unit
Temporarily out of stock
Wurth Elektronik 57 Piece EMI Filter Kit WE-AEFA Series
  • RS Stock No. 484-937
  • Mfr. Part No. 782013
Subtotal (1 unit)
SGD2,821.60(exc. GST)
SGD2,821.60/unit
Temporarily out of stock
TDK, B82462-G4 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 1 μH ±20 % 3.4 A Idc
  • RS Stock No. 167-8486
  • Mfr. Part No. B82462G4102M000
Subtotal (1 reel of 2500 units)
SGD2,942.50(exc. GST)
SGD1.177/unit
Currently unavailable
KEMET 1 mH Nickel Zinc Ferrite Core Coil Inductor, 250 mA Idc, 2.82 Ω Rdc, SBCP
  • RS Stock No. 265-2717
  • Mfr. Part No. SBCP-87HY102H
Subtotal (1 unit)
SGD2.06(exc. GST)
SGD2.06/unit
Stocked by manufacturer
Cornell-Dubilier 330 μF Capacitor 450V dc, Snap-in - 380LQ331M450A022
  • RS Stock No. 795-677
  • Mfr. Part No. 380LQ331M450A022
Subtotal (1 bag of 25 units)
SGD550.475(exc. GST)
SGD22.019/unit
In Stock
TDK 1000 μF Capacitor 200V dc, Snap-in
  • RS Stock No. 209-8670
  • Mfr. Part No. B43544B2108M060
Subtotal (1 unit)
SGD15.86(exc. GST)
SGD15.86/unit
Temporarily out of stock
Murata 47 μF Multilayer Ceramic Capacitor, 10V dc, ±20 %, Surface
  • RS Stock No. 276-3762
  • Mfr. Part No. GRM21BR61A476ME15L
Subtotal (1 reel of 3000 units)
SGD759.00(exc. GST)
SGD0.253/unit
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