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.

Antennas
Antennas
Capacitors
Capacitors
Crystals, Oscillators & Resonators
Crystals, Oscillators & Resonators
EMI Filters & Protection
EMI Filters & Protection
Fixed Resistors
Fixed Resistors
Inductors
Inductors
Passive Components Kits
Passive Components Kits
Rotary Encoders
Rotary Encoders
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
Surge Protection Components
Surge Protection Components
Variable Resistors
Variable Resistors

160359 Products showing for Passive Components

Sort By
83 of 999+
In Stock
Wurth Elektronik Shielding Strip of Polyurethane Foam, Copper Layered Metallised Fibre, Nickel With Tape 1 m x 10mm x 8
  • RS Stock No. 773-7201
  • Mfr. Part No. 3021008
Subtotal (1 unit)
SGD18.33(exc. GST)
SGD18.33/unit
Currently unavailable
Rubycon 47 μF Capacitor 16V dc, Radial, Through Hole - 16MS747MEFC5X7
  • RS Stock No. 704-7905P
  • Mfr. Part No. 16MS747MEFC5X7
Subtotal 50 units (supplied in a bag)
SGD9.60(exc. GST)
SGD0.192/unit
Currently unavailable
RS PRO RS 45.3 Ω, 0805 Thick Film Surface Mount Resistor ±1 % 0.13 W
  • RS Stock No. 717-2095
Subtotal (1 reel of 5000 units)
SGD35.00(exc. GST)
SGD0.007/unit
In Stock
RS PRO 12 kΩ Carbon Film Resistor 0.25 W 5 %
  • RS Stock No. 707-7757
Subtotal (1 pack of 10 units)
SGD1.69(exc. GST)
SGD0.169/unit
In Stock
Welwyn 330 Ω Wirewound Resistor 3 W 5 %
  • RS Stock No. 139-3419
  • Mfr. Part No. W21-330RJI
Subtotal (1 bag of 5 units)
SGD8.67(exc. GST)
SGD1.734/unit
In Stock
Panasonic 22 μF Capacitor 35V dc, Surface Solder - EEEHD1V220AP 1000
  • RS Stock No. 569-322
  • Mfr. Part No. EEEHD1V220AP
Subtotal (1 pack of 5 units)
SGD3.08(exc. GST)
SGD0.616/unit
Temporarily out of stock
PCN IRH100W 50OHMJ, 50 Ω 100 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 664-1837
  • Mfr. Part No. IRH100W 50OHMJ
Subtotal (1 unit)
SGD76.89(exc. GST)
SGD76.89/unit
In Stock
Murata 10 μF Multilayer Ceramic Capacitor, 50V dc, ±20 %, Through Hole Solder
  • RS Stock No. 811-8367
  • Mfr. Part No. RCER71H106MWM1H03A
Subtotal (1 pack of 5 units)
SGD12.10(exc. GST)
SGD2.42/unit
In Stock
Wurth Elektronik Openable, Diameter 5 mm Ferrite Sleeve, Apertures: 1 30.3 mm 19 mm 19 mm, For EMI Suppression
  • RS Stock No. 736-1914
  • Mfr. Part No. 74275812
Subtotal (1 unit)
SGD6.69(exc. GST)
SGD6.69/unit
In Stock
Yageo 1.8 kΩ Metal Film Metal Film Fixed Resistor 0.25 W 1 % MFR-25FTE52-1K8
  • RS Stock No. 199-7608
  • Mfr. Part No. MFR-25FTE52-1K8
Subtotal (1 tape of 100 units)
SGD3.10(exc. GST)
SGD0.031/unit
Limited stock
Panasonic 4.7 μF Capacitor 50V dc, Through Hole - EEUHD1H4R7 Radial Lead
  • RS Stock No. 744-2127
  • Mfr. Part No. EEUHD1H4R7
Subtotal (1 pack of 10 units)
SGD4.15(exc. GST)
SGD0.415/unit
In Stock
Vishay 10 μF MnO2 Tantalum Capacitor 10V dc, Through Hole, 489D Series
  • RS Stock No. 684-4364
  • Mfr. Part No. 489D106X0010B1VE3
Subtotal (1 pack of 5 units)
SGD8.63(exc. GST)
SGD1.726/unit
Temporarily out of stock
ROHM MCR 51 kΩ, 0402 Thick Film Surface Mount Resistor ±1 % 0.06 W - MCR01MZPF5102
  • RS Stock No. 901-3487
  • Mfr. Part No. MCR01MZPF5102
Subtotal (1 bag of 100 units)
SGD1.00(exc. GST)
SGD0.01/unit
In Stock
Panasonic 56 μF Capacitor 35V dc, Radial - EEUFC1V560 Radial Lead
  • RS Stock No. 315-0681
  • Mfr. Part No. EEUFC1V560
Subtotal (1 pack of 5 units)
SGD2.18(exc. GST)
SGD0.436/unit
In Stock
Wurth Elektronik, WE-LQ, 1210 Unshielded Surface Mount Inductor with a Polystyrene Core, 10 μH ±20 % 320 mA Idc Q:35
  • RS Stock No. 296-290
  • Mfr. Part No. 744032100
Subtotal (1 tape of 10 units)
SGD9.84(exc. GST)
SGD0.984/unit
In Stock
TE Connectivity 10 Ω Wirewound Resistor 4 W 5 % SBCHE410RJ
  • RS Stock No. 206-0420
  • Mfr. Part No. SBCHE410RJ
Subtotal (1 pack of 5 units)
SGD9.19(exc. GST)
SGD1.838/unit
Last RS stock
Vishay 3300 μF Capacitor 35V dc, Through Hole - MAL217250332E3 Radial Lead
  • RS Stock No. 261-0237
  • Mfr. Part No. MAL217250332E3
Subtotal (1 unit)
SGD7.86(exc. GST)
SGD7.86/unit
Temporarily out of stock
TDK Thermistor, NTC Type 10 kΩ 45 mm 73.3 mm 1.8 mm
  • RS Stock No. 167-0533
  • Mfr. Part No. B57551G1103F000
Subtotal (1 box of 1000 units)
SGD4,094.00(exc. GST)
SGD4.094/unit
In Stock
TE Connectivity CJP400J33RJ, 33 Ω 400 W Wirewound Power Resistor 5 %
  • RS Stock No. 261-2409
  • Mfr. Part No. CJP400J33RJ
Subtotal (1 unit)
SGD109.16(exc. GST)
SGD109.16/unit
Last RS stock
Rubycon 100 μF Capacitor 50V dc, Through Hole - 50YXG100MEFC8X11.5
  • RS Stock No. 704-8018
  • Mfr. Part No. 50YXG100MEFC8X11.5
Subtotal (1 pack of 25 units)
SGD6.35(exc. GST)
SGD0.254/unit
1
83
8018
Results per page

Guides & Articles

Capacitors Guide
In our comprehensive Capacitors Guide we look at MLCC's and the alternatives available
Read more
Variable Resistors Guide
Everything you need to know about variable resistors
Read more

Related links

Be the first to know about our latest products and offers

Email address

The personal information you provide to us when signing up to this mailing list will be processed in line with the Privacy Policy