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

163445 Products showing for Passive Components

Sort By
431 / 999+
In Stock
Essentra Ferrite Ring Ferrite Core 14.5 mm, For: Filtering 5 mm ID 9.5 mm OD
  • RS Stock No. 257-4474
  • Mfr. Part No. RRH095-050-145-K5B
Subtotal (5 units, in packs of 5)
MYR33.09
MYR6.618/unit
Temporarily out of stock
Panasonic ERJPC6 169000 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.25 W -
  • RS Stock No. 788-941P
  • Mfr. Part No. ERJPC6B1693V
Subtotal (1 unit, supplied on a continuous strip)
MYR3.63
MYR3.63/unit
In Stock
Vishay, IHLP, EK Shielded Surface Mount Inductor with a Metal Composite Core, 5.6 μH ±20 % 21 A Idc
  • RS Stock No. 565-143P
  • Mfr. Part No. IHLP6767GZEK5R6M01
Subtotal (2 units, supplied on a continuous strip)
MYR43.65
MYR21.825/unit
In Stock
TE Connectivity TW 1 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, TW1102KA
  • RS Stock No. 135-5046
  • Mfr. Part No. TW1102KA
Subtotal (500 units, in boxes of 500)
MYR22,148.00
MYR44.296/unit
In Stock
Vishay SMM0204 100 kΩ, 0204 Thin Film Resistor 0.001 Surface 0.4 W - SMM02040E1003BB300
  • RS Stock No. 667-666P
  • Mfr. Part No. SMM02040E1003BB300
Subtotal (10 units, supplied on a continuous strip)
MYR31.23
MYR3.123/unit
In Stock
Wurth Elektronik Openable, Diameter 16 mm Ferrite Ring, Apertures: 1 20 mm 32 mm 43 mm, For General Application, Safety
  • RS Stock No. 814-9970P
  • Mfr. Part No. 7427154S
Subtotal (1 unit, supplied in a box)
MYR25.56
MYR25.56/unit
In Stock
Bourns PDB183-GTR 250 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, PDB183-GTR01-254A2
  • RS Stock No. 161-6774
  • Mfr. Part No. PDB183-GTR01-254A2
Subtotal (100 units, in bags of 100)
MYR1,644.50
MYR16.445/unit
In Stock
TDK 5 μH 1200 A Common Mode Choke 60 mΩ 42V
  • RS Stock No. 246-9886
  • Mfr. Part No. B82793C0502N201
Subtotal (1 unit)
MYR7.91
MYR7.91/unit
In Stock
Nichicon 470 μF Capacitor 100V dc, Radial, Through Hole - UVZ2A471MHD Radial Lead
  • RS Stock No. 167-1551
  • Mfr. Part No. UVZ2A471MHD
Subtotal (50 units, in boxes of 50)
MYR166.00
MYR3.32/unit
In Stock
Bourns CR 50 mΩ, 0402 Thick Film Resistor 1 % Surface 0.06 W
  • RS Stock No. 630-497P
  • Mfr. Part No. CR0402-FX-3601GLF
Subtotal (20 units, supplied on a continuous strip)
MYR0.64
MYR0.032/unit
Currently unavailable
ROHM ESR18 56 Ω, 1206 Thick Film Surface Mount Resistor ±5 % 0.5 W
  • RS Stock No. 264-2111P
  • Mfr. Part No. ESR18EZPJ560
Subtotal (100 units, supplied on a continuous strip)
MYR17.80
MYR0.178/unit
In Stock
Wurth Elektronik, WE-MK, 0603 Shielded Multilayer Surface Mount Inductor with a Ceramic Core, 6.8 mH Multilayer ±2 % 300
  • RS Stock No. 245-8485P
  • Mfr. Part No. 7447860068G
Subtotal (10 units, supplied on a continuous strip)
MYR3.78
MYR0.378/unit
Currently unavailable
Panasonic ERA8V 2.2 kΩ, 1206 Thin Film Resistor 0.1 % 0.25 W
  • RS Stock No. 259-7057P
  • Mfr. Part No. ERA8VPB2201V
Subtotal (5 units, supplied on a continuous strip)
MYR31.48
MYR6.296/unit
In Stock
RS PRO 470 nF Electrolytic Tantalum Electrolytic Capacitor 50V dc, Through Hole
  • RS Stock No. 181-4639
Subtotal (25 units, in packs of 25)
MYR47.475
MYR1.899/unit
In Stock
Panasonic ERJ6DS 130 mΩ, 0805 Surface Mount Resistor ±1 % 0.5 W - ERJ6DSFR13V
  • RS Stock No. 243-2013P
  • Mfr. Part No. ERJ6DSFR13V
Subtotal (50 units, supplied on a continuous strip)
MYR39.95
MYR0.799/unit
Currently unavailable
TE Connectivity Fluorosilicone Shielding Sheet 10 m x 1mm x 1 mm
  • RS Stock No. 272-9153
  • Mfr. Part No. 1201-FSA-0010
Subtotal (1 metre)
MYR123.85
MYR123.85/metre
In Stock
Panasonic ERA8V 4.7 kΩ, 1206 Thin Film Resistor 0.1 % 0.25 W
  • RS Stock No. 259-7093P
  • Mfr. Part No. ERA8VRB4701V
Subtotal (5 units, supplied on a continuous strip)
MYR33.60
MYR6.72/unit
Temporarily out of stock
Panasonic 68 μF Aluminium Electrolytic Capacitor 50V dc, Radial, Through Hole - EEHAZA1H680B
  • RS Stock No. 210-5623
  • Mfr. Part No. EEHAZA1H680B
Subtotal (1000 units, in boxes of 1000)
MYR3,376.00
MYR3.376/unit
In Stock
Panasonic ERJUP3 100 kΩ, 0603 Surface Mount Resistor ±1 % 0.25 W - ERJUP3F1003V
  • RS Stock No. 243-2102P
  • Mfr. Part No. ERJUP3F1003V
Subtotal (100 units, supplied on a continuous strip)
MYR26.40
MYR0.264/unit
In Stock
Wurth Elektronik Inductor Kit, 26 pieces
  • RS Stock No. 205-9756
  • Mfr. Part No. 7440502
Subtotal (1 unit)
MYR754.70
MYR754.70/unit
1
431
8173
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