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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160808 Products showing for Passive Components

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RS PRO 32 mm Knob Diameter Black Potentiometer Knob for 6.4 mm Shaft Circular
  • RS Stock No. 223-742
Subtotal (1 pack of 5 units)
SGD9.46(exc. GST)
SGD1.892/unit
Temporarily out of stock
Schneider Electric Capacitor 28.5 kvar 34.2 kvar
  • RS Stock No. 768-434
  • Mfr. Part No. BLRCH285A342B44
Subtotal (1 unit)
SGD225.61(exc. GST)
SGD225.61/unit
Currently unavailable
Bourns, GDT35 200 V 20 kA, Surface 3 Electrode Gas Discharge Tube, 3 Electrode Gas Discharge Tube Gas Discharge Tube
  • RS Stock No. 264-5524
  • Mfr. Part No. GDT35-20-S1-RP
Subtotal (1 reel of 1000 units)
SGD1,131.00(exc. GST)
SGD1.131/unit
Currently unavailable
Laird Ferrite Bead 9.53 mm 9.53 mm (0375) (Cylindrical EMI Core), 74 Ω impedance at 25 MHz, 154 Ω impedance at 100 MHz,
  • RS Stock No. 888-3437
  • Mfr. Part No. 28B0375-100
Subtotal (1 pack of 500 units)
SGD94.50(exc. GST)
SGD0.189/unit
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Panasonic 270 μF Polymer Capacitor 35V dc, Surface
  • RS Stock No. 145-8548
  • Mfr. Part No. EEHZE1V271P
Subtotal (1 pack of 2 units)
SGD6.22(exc. GST)
SGD3.11/unit
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Ecliptek 14.7456 MHz Crystal Unit 50 ppm Tape & Reel 3.2 mm 13.3 mm 4.85mm
  • RS Stock No. 219-1953
  • Mfr. Part No. E1SCA18-14.7456M TR
Subtotal (1 reel of 1000 units)
SGD268.00(exc. GST)
SGD0.268/unit
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Samsung Electro-Mechanics 100 μF Multilayer Ceramic Capacitor, 6.3V dc, ±20 %, Surface
  • RS Stock No. 766-1166P
  • Mfr. Part No. CL32A107MQVNNNE
Subtotal 10 units (supplied on a continuous strip)
SGD5.21(exc. GST)
SGD0.521/unit
Temporarily out of stock
TE Connectivity CRGH 82 Ω, 1206 Thick Film Surface Mount Resistor ±5 % Surface 0.5 W - CRGH1206J82R
  • RS Stock No. 807-1306
  • Mfr. Part No. CRGH1206J82R
Subtotal (1 bag of 100 units)
SGD2.10(exc. GST)
SGD0.021/unit
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Wurth Elektronik, 744384, 5030 Shielded Surface Mount Inductor with a Magnetic Iron Alloy Core, 1.5 μH Shielded ±20 %
  • RS Stock No. 427-251
  • Mfr. Part No. 7443845030015
Subtotal (1 tape of 5 units)
SGD18.48(exc. GST)
SGD3.696/unit
Temporarily out of stock
KEMET C4AQ Polypropylene Capacitor, 5 %, 7.5 μF 1.3 kV dc, PCB
  • RS Stock No. 207-9011
  • Mfr. Part No. C4AQULW4750A36J
Subtotal (1 box of 60 units)
SGD293.58(exc. GST)
SGD4.893/unit
Temporarily out of stock
RS PRO, High Power Metal Oxide Varistor 1.9 nF, Clamping 680 V, Varistor 400 V
  • RS Stock No. 240-179
Subtotal (1 unit)
SGD33.02(exc. GST)
SGD33.02/unit
Temporarily out of stock
QT Quarztechnik, 33MHz Clock Oscillator, ±25 ppm HCMOS, TTL, 4-Pin Surface Mount QTX733A33.0000B15R
  • RS Stock No. 815-0425
  • Mfr. Part No. QTX733A33.0000B15R
Subtotal (1 unit)
SGD2.58(exc. GST)
SGD2.58/unit
In Stock
Panasonic ERA 22 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % 0.1 W - ERA3AEB223V
  • RS Stock No. 566-973
  • Mfr. Part No. ERA3AEB223V
Subtotal (1 pack of 5 units)
SGD0.71(exc. GST)
SGD0.142/unit
In Stock
Roxburgh EMC, DVS Varistor, Varistor 24 V
  • RS Stock No. 240-040
  • Mfr. Part No. DVS24
Subtotal (1 unit)
SGD53.31(exc. GST)
SGD53.31/unit
In Stock
Bourns CR 39 Ω, 0402 Thick Film Resistor 1 % Surface 1 W - CR0402-FX-39R0GLF
  • RS Stock No. 630-503P
  • Mfr. Part No. CR0402-FX-39R0GLF
Subtotal 20 units (supplied on a continuous strip)
SGD0.12(exc. GST)
SGD0.006/unit
In Stock
TDK 68 nF Multilayer Ceramic Capacitor, 100V dc, ±5 %, Surface
  • RS Stock No. 179-5132
  • Mfr. Part No. C3216C0G2A683J160AC
Subtotal (1 reel of 2000 units)
SGD894.00(exc. GST)
SGD0.447/unit
Temporarily out of stock
Vishay WSHP 0.2 Ω, 2818 Metal Strip Power Resistor 0.01 Surface Mount 10 W - WSHP2818R0200FEB
  • RS Stock No. 866-910
  • Mfr. Part No. WSHP2818R0200FEB
Subtotal (1 tape of 1 unit)
SGD4.84(exc. GST)
SGD4.84/tape
In Stock
Nichicon 1500 μF Aluminium Electrolytic Capacitor 200V dc, Snap-in - LGX2D152MELC40
  • RS Stock No. 566-962
  • Mfr. Part No. LGX2D152MELC40
Subtotal (1 unit)
SGD12.93(exc. GST)
SGD12.93/unit
In Stock
Abracon 25 MHz Crystal ±50 ppm Surface Mount 4-Pin 0.8 mm 3.2 mm 2.5mm
  • RS Stock No. 240-3471
  • Mfr. Part No. ABM8-25.000MHZ-D2Y-T
Subtotal (1 pack of 25 units)
SGD12.15(exc. GST)
SGD0.486/unit
In Stock
Taoglas XAHP.30.A.1L21 Dome GPS Antenna with BNC Connector, GNSS
  • RS Stock No. 690-806
  • Mfr. Part No. XAHP.30.A.1L21
Subtotal (1 unit)
SGD817.05(exc. GST)
SGD817.05/unit
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