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

160770 Products showing for Passive Components

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2422 of 999+
In Stock
Panasonic ECHU(X) 50 V dc 50V ac Film Capacitor, 2.2 nF, Surface
  • RS Stock No. 712-8483P
  • Mfr. Part No. ECHU1H222JX5
Subtotal 10 units (supplied on a continuous strip)
SGD3.77(exc. GST)
SGD0.377/unit
Temporarily out of stock
Wurth Elektronik 1 μF Capacitor 50V dc, Radial, Through Hole - 860020672005 Radial Lead
  • RS Stock No. 163-6218
  • Mfr. Part No. 860020672005
Subtotal (1 box of 2000 units)
SGD158.00(exc. GST)
SGD0.079/unit
In Stock
RS PRO 85 dB Through Hole Continuous External 11.5 mm Piezo Buzzer Component 9 V ac Min 15V ac Max
  • RS Stock No. 780-0743P
Subtotal 5 units (supplied in a bag)
SGD17.30(exc. GST)
SGD3.46/unit
Temporarily out of stock
Wurth Elektronik, WE-HCF, 2920 Wirewound Surface Mount Inductor with a Polyethylene Terephthalate Core, 150 μH ±20 % 7.8
  • RS Stock No. 258-5656
  • Mfr. Part No. 74437429203151
Subtotal (1 unit)
SGD12.19(exc. GST)
SGD12.19/unit
In Stock
Wurth Elektronik 0.09 μH Coil Inductor, Max SRF:359 MHz, Q:226, 30 A Idc, 1.21 mΩ Rdc, WE-AC HC
  • RS Stock No. 168-3230P
  • Mfr. Part No. 7449152090
Subtotal 5 units (supplied on a continuous strip)
SGD18.77(exc. GST)
SGD3.754/unit
Unavailable
TDK 470nF MLCC, 25V dc V, ±10% , SMD
  • RS Stock No. 904-0212P
  • Mfr. Part No. C1608X5R1E474K080AC
Subtotal 100 units (supplied on a continuous strip)
SGD36.60(exc. GST)
SGD0.366/unit
Temporarily out of stock
Yageo 390 Ω Carbon Film Carbon Film Fixed Resistor 0.25 W 5 % CFR-25JT-52-390R
  • RS Stock No. 199-1856
  • Mfr. Part No. CFR-25JT-52-390R
Subtotal (1 box of 5000 units)
SGD80.00(exc. GST)
SGD0.016/unit
In Stock
ROHM ESR18 62 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.5 W - ESR18EZPF6202
  • RS Stock No. 264-1858
  • Mfr. Part No. ESR18EZPF6202
Subtotal (1 tape of 100 units)
SGD7.60(exc. GST)
SGD0.076/unit
Currently unavailable
Vishay, ACAS 0612 - Precision 3 kΩ 0.25 % ISOL Resistor Array, 4 Resistors, 0.3 W total, 0612, Convex
  • RS Stock No. 684-5821P
  • Mfr. Part No. ACASA1001E3001P100
Subtotal 1 unit (supplied on a continuous strip)
SGD5.56(exc. GST)
SGD5.56/unit
In Stock
20 Ω, Through Hole Trimmer Potentiometer, Pin 0.5 W Top Adjust Bourns, 3299
  • RS Stock No. 167-3410
  • Mfr. Part No. 3299W-1-200LF
Subtotal (1 tube of 50 units)
SGD151.40(exc. GST)
SGD3.028/unit
Currently unavailable
Panasonic ERJP14 10 kΩ, 1210 Thick Film Surface Mount Resistor ±1 % 0.5 W - ERJP14F1002U
  • RS Stock No. 922-9102
  • Mfr. Part No. ERJP14F1002U
Subtotal (1 reel of 5000 units)
SGD485.00(exc. GST)
SGD0.097/unit
Temporarily out of stock
Vishay MKP 1839 HQ Film Capacitor, ±5 %, 1 μF 800 V dc 400V ac, Through Hole
  • RS Stock No. 173-0659
  • Mfr. Part No. MKP1839510084HQ
Subtotal (1 bag of 600 units)
SGD3,608.40(exc. GST)
SGD6.014/unit
In Stock
Abracon AWSCR-2.00CPLA-C30-T4 Ceramic Resonator, 2 MHz 30 pF, 3-Pin Tape & Reel 1.8 mm 3mm, 6 mm
  • RS Stock No. 188-6642
  • Mfr. Part No. AWSCR-2.00CPLA-C30-T4
Subtotal (1 pack of 20 units)
SGD10.56(exc. GST)
SGD0.528/unit
Temporarily out of stock
Panasonic 3300 μF Capacitor 16V dc, Radial, Through Hole - EEUFR1C332S Radial Lead
  • RS Stock No. 108-4638
  • Mfr. Part No. EEUFR1C332S
Subtotal (1 bag of 100 units)
SGD161.30(exc. GST)
SGD1.613/unit
In Stock
Rhopoint 82 mΩ Surface Mount Resistor 1 % Surface 3 W - SMP-R082-1.0
  • RS Stock No. 638-977
  • Mfr. Part No. SMP-R082-1.0
Subtotal (1 reel of 1500 units)
SGD1,471.50(exc. GST)
SGD0.981/unit
In Stock
TDK 4.7 μF Multilayer Ceramic Capacitor, 6.3V dc, ±10 %, Surface
  • RS Stock No. 788-2821
  • Mfr. Part No. C1005X5R0J475K050BC
Subtotal (1 pack of 25 units)
SGD3.40(exc. GST)
SGD0.136/unit
In Stock
Bourns, 4600X 3.3 kΩ 2 % ISOL Resistor Array, 4 Resistors, 1 W total, SIP, Solder
  • RS Stock No. 522-3977P
  • Mfr. Part No. 4608X-102-332LF
Subtotal 25 units (supplied in a bag)
SGD5.625(exc. GST)
SGD0.225/unit
In Stock
Panasonic ERJP14 249 Ω, 1210 Thick Film Surface Mount Resistor ±1 % 0.5 W - ERJP14F2490U
  • RS Stock No. 106-3932
  • Mfr. Part No. ERJP14F2490U
Subtotal (1 bag of 100 units)
SGD14.90(exc. GST)
SGD0.149/unit
In Stock
Vishay 534 10 kΩ Rotary Potentiometer 10-Turns 1-Gang Panel, 534B1103JC
  • RS Stock No. 607-328
  • Mfr. Part No. 534B1103JC
Subtotal (1 unit)
SGD64.96(exc. GST)
SGD64.96/unit
Temporarily out of stock
Murata, LQW, 0402 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 82 nH ±5 % 130 mA Idc Q:20
  • RS Stock No. 167-5003
  • Mfr. Part No. LQW15AN82NJ00D
Subtotal (1 reel of 10000 units)
SGD760.00(exc. GST)
SGD0.076/unit
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