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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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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163886 Products showing for Passive Components

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Caddock 500 mΩ Power Film Resistor 100 W 1 % MP9100-0.50-1%
  • RS Stock No. 377-8374
  • Mfr. Part No. MP9100-0.50-1%
Subtotal (1 unit)
SGD22.17(exc. GST)
SGD22.17/unit
In Stock
Wurth Elektronik 1 mH Ferrite Radial Inductor, Max SRF:1.7 MHz, 350 mA Idc, 2.3 Ω Rdc 120V, WE-TIS
  • RS Stock No. 758-328P
  • Mfr. Part No. 744731102
Subtotal 5 units (supplied in a tray)
SGD16.23(exc. GST)
SGD3.246/unit
Temporarily out of stock
Panasonic ERJPC6 24000 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.25 W -
  • RS Stock No. 789-227
  • Mfr. Part No. ERJPC6B2402V
Subtotal (1 tape of 10 units)
SGD1.08(exc. GST)
SGD0.108/unit
Currently unavailable
Vishay 560 mΩ, 0612 Thin Film ±1 % 1 W - NCW0612MC5607FP500
  • RS Stock No. 206-9132
  • Mfr. Part No. NCW0612MC5607FP500
Subtotal (1 reel of 5000 units)
SGD1,310.00(exc. GST)
SGD0.262/unit
Temporarily out of stock
KEMET C4AQ Polypropylene Capacitor, 5 %, 3.5 μF 1.3 kV dc, PCB
  • RS Stock No. 207-9009
  • Mfr. Part No. C4AQULW4350A33J
Subtotal (1 box of 88 units)
SGD302.72(exc. GST)
SGD3.44/unit
Currently unavailable
Vishay, PRAHT100 5 kΩ 0.1 % ISOL Resistor Array, 4 Resistors, 0.01 W total, 0603, Convex
  • RS Stock No. 167-8882
  • Mfr. Part No. PRAHT100I4-5KBWGT
Subtotal (1 tape of 100 units)
SGD1,828.50(exc. GST)
SGD18.285/unit
Last RS stock
Vishay 2.2 μF Tantalum Tantalum Capacitor 50V dc, Surface, 293D Series
  • RS Stock No. 179-7544
  • Mfr. Part No. 293D225X9050B2TE3
Subtotal (1 pack of 10 units)
SGD11.70(exc. GST)
SGD1.17/unit
Temporarily out of stock
Arcol Ohmite HS50 R1 F, 100 mΩ 50 W Wirewound High Power Resistor ±1 %
  • RS Stock No. 263-4256
  • Mfr. Part No. HS50 R1 F
Subtotal (1 unit)
SGD14.61(exc. GST)
SGD14.61/unit
In Stock
Panasonic ERJ 15.8 Ω, 0603 Thick Film Surface Mount Fixed Resistor ±1 % 0.13 W
  • RS Stock No. 287-841P
  • Mfr. Part No. ERJ6ENF15R8V
Subtotal 10 units (supplied on a continuous strip)
SGD0.46(exc. GST)
SGD0.046/unit
In Stock
WIMA MKS4 Film Capacitor 470 nF 40V ac 63 V dc, Through Hole
  • RS Stock No. 171-0730
  • Mfr. Part No. MKS4C034703C00KSSD
Subtotal (1 bag of 3000 units)
SGD948.00(exc. GST)
SGD0.316/unit
Unavailable
5.1kΩ 0603 Metal Film SMD Resistor ±0.1% 0.1W - ERA3ARB512V
  • RS Stock No. 892-1416P
  • Mfr. Part No. ERA3ARB512V
Subtotal 100 units (supplied on a continuous strip)
SGD50.80(exc. GST)
SGD0.508/unit
In Stock
Nichicon 220 μF Capacitor 50V dc, Surface Solder - UWD1H221MCL1GS
  • RS Stock No. 843-2641
  • Mfr. Part No. UWD1H221MCL1GS
Subtotal (1 pack of 5 units)
SGD6.60(exc. GST)
SGD1.32/unit
In Stock
Wurth Elektronik, WE-MAIA, 1610 Shielded Power Inductor with a Magnetic Iron Alloy Core, 1.2 μH ±30 % 1.3 A Idc
  • RS Stock No. 245-8627P
  • Mfr. Part No. 78438313012
Subtotal 5 units (supplied on a continuous strip)
SGD7.37(exc. GST)
SGD1.474/unit
Currently unavailable
Panasonic ERJ B2 9.1 kΩ, 0612 Thick Film Resistor ±1 % 0.75 W
  • RS Stock No. 228-0793P
  • Mfr. Part No. ERJB2AF912V
Subtotal 20 units (supplied on a continuous strip)
SGD5.96(exc. GST)
SGD0.298/unit
Temporarily out of stock
Wurth Elektronik Tin Plated Steel Shielding Cage Seamless Frame, 21 x 12 x 5 mm
  • RS Stock No. 225-8330
  • Mfr. Part No. 3670210
Subtotal (1 tray of 120 units)
SGD399.36(exc. GST)
SGD3.328/unit
Temporarily out of stock
RS PRO 22 nF Mica Capacitor 500V dc ±1 % Tolerance Radial
  • RS Stock No. 495-969
Subtotal (1 unit)
SGD162.63(exc. GST)
SGD162.63/unit
In Stock
Panasonic 680 μF Capacitor 16V dc, Through Hole - EEUFK1C681L Radial Lead
  • RS Stock No. 571-509
  • Mfr. Part No. EEUFK1C681L
Subtotal (1 pack of 5 units)
SGD5.60(exc. GST)
SGD1.12/unit
Currently unavailable
TE Connectivity TLM 39 mΩ, 2512 Metal Foil ±5 % 1 W - TLM3AER039JTE
  • RS Stock No. 164-6500
  • Mfr. Part No. TLM3AER039JTE
Subtotal (1 reel of 4000 units)
SGD1,592.00(exc. GST)
SGD0.398/unit
In Stock
Yageo 1 nF Multilayer Ceramic Capacitor, 500V dc, ±10 %, Surface
  • RS Stock No. 198-8273P
  • Mfr. Part No. CS0805KRX7RBBB102
Subtotal 50 units (supplied on a continuous strip)
SGD12.15(exc. GST)
SGD0.243/unit
In Stock
ROHM ESR18 1.6 kΩ, 1206 Thick Film Surface Mount Resistor ±5 % 0.5 W
  • RS Stock No. 264-1955P
  • Mfr. Part No. ESR18EZPJ162
Subtotal 100 units (supplied on a continuous strip)
SGD5.70(exc. GST)
SGD0.057/unit
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