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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169699 Products showing for Passive Components

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Panasonic ERJPA3 7.5 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.25 W - ERJPA3F7501V
  • RS Stock No. 862-7050
  • Mfr. Part No. ERJPA3F7501V
Subtotal (1 bag of 100 units)
$5.70(exc. GST)
$0.057/unit
Temporarily out of stock
Vishay 4.7 μF Tantalum Capacitor 50V, Radial, 790D Series
  • RS Stock No. 726-230
  • Mfr. Part No. 790D475X0040B2BE3
Subtotal (1 unit)
$22.64(exc. GST)
$22.64/unit
In Stock
Bourns CRS 1 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.5 W - CRS1206-FX-1001ELF
  • RS Stock No. 867-2962
  • Mfr. Part No. CRS1206-FX-1001ELF
Subtotal (1 bag of 25 units)
$3.55(exc. GST)
$0.142/unit
In Stock
KOA RK73H 33 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W - RK73H1JTTD3302F
  • RS Stock No. 631-6755
  • Mfr. Part No. RK73H1JTTD3302F
Subtotal (1 pack of 50 units)
$1.25(exc. GST)
$0.025/unit
In Stock
Vishay CRCW 4.7 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % Surface 0.25 W - CRCW06034K70FKEAHP
  • RS Stock No. 820-6865
  • Mfr. Part No. CRCW06034K70FKEAHP
Subtotal (1 bag of 25 units)
$3.325(exc. GST)
$0.133/unit
Last RS stock
Yageo RC0805 330 Ω, 0805 Thick Film Surface Mount Fixed Resistor ±1 % 0.13 W - RC0805FR-07330RL
  • RS Stock No. 618-3195
  • Mfr. Part No. RC0805FR-07330RL
Subtotal (1 pack of 5000 units)
$35.00(exc. GST)
$0.007/unit
In Stock
TDK 1 mH Ferrite Leaded Inductor, Max SRF:1.2 MHz, Q:60, 200 mA Idc, 3.8 Ω Rdc, LBC
  • RS Stock No. 191-1175P
  • Mfr. Part No. B82144A2105J000
Subtotal 5 units (supplied as a tape)
$3.48(exc. GST)
$0.696/unit
Temporarily out of stock
Panasonic ERA 52.3 kΩ, 0603 Metal Film Surface Mount Resistor ±0.1 % 0.1 W - ERA3APB5232V
  • RS Stock No. 840-9310
  • Mfr. Part No. ERA3APB5232V
Subtotal (1 pack of 10 units)
$15.16(exc. GST)
$1.516/unit
Temporarily out of stock
Panasonic ERA 110 Ω, 1206 Thin Film Surface Mount Resistor ±0.1 % 0.25 W - ERA8AEB111V
  • RS Stock No. 828-0904
  • Mfr. Part No. ERA8AEB111V
Subtotal (1 bag of 5 units)
$1.92(exc. GST)
$0.384/unit
In Stock
Panasonic ERJU 130 kΩ, 1206 Thick Film Surface Mount Resistor ±1 % 0.25 W - ERJU08F1303V
  • RS Stock No. 865-4664
  • Mfr. Part No. ERJU08F1303V
Subtotal (1 bag of 100 units)
$12.80(exc. GST)
$0.128/unit
In Stock
Panasonic ERJPA3 120 Ω, 0603 Thick Film Surface Mount Resistor ±1 % 0.33 W - ERJPA3F1200V
  • RS Stock No. 862-6732
  • Mfr. Part No. ERJPA3F1200V
Subtotal (1 bag of 100 units)
$5.70(exc. GST)
$0.057/unit
In Stock
Panasonic ERJPA3 2.4 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.33 W - ERJPA3F2401V
  • RS Stock No. 862-6855
  • Mfr. Part No. ERJPA3F2401V
Subtotal (1 bag of 100 units)
$5.70(exc. GST)
$0.057/unit
In Stock
Panasonic ERA 1.87 kΩ, 0603 Metal Film Surface Mount Resistor ±0.1 % 0.1 W - ERA3APB1871V
  • RS Stock No. 840-9155
  • Mfr. Part No. ERA3APB1871V
Subtotal (1 pack of 10 units)
$4.00(exc. GST)
$0.40/unit
In Stock
TE Connectivity SMQ 220 kΩ Metal Film Surface Mount Resistor 5 % Solder 3 W - SMQF3220KJT
  • RS Stock No. 286-7458
  • Mfr. Part No. SMQF3220KJT
Subtotal (1 reel of 500 units)
$804.50(exc. GST)
$1.609/unit
In Stock
RS PRO 85 dB Through Hole Continuous External Magnetic Buzzer Component 9 mm 3 V ac Min 8V ac Max
  • RS Stock No. 780-0712
Subtotal (1 bag of 5 units)
$16.73(exc. GST)
$3.346/unit
In Stock
Bourns 10 Ω Wirewound Resistor 5 W 5 %
  • RS Stock No. 775-7560P
  • Mfr. Part No. FW50A10R0JA
Subtotal 5 units (supplied as a tape)
$9.35(exc. GST)
$1.87/unit
In Stock
Panasonic ERJPA3 150 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.25 W - ERJPA3F1503V
  • RS Stock No. 862-6770
  • Mfr. Part No. ERJPA3F1503V
Subtotal (1 bag of 100 units)
$5.70(exc. GST)
$0.057/unit
In Stock
Panasonic ERJPA3 200 Ω, 0603 Thick Film Surface Mount Resistor ±1 % 0.25 W - ERJPA3F2000V
  • RS Stock No. 862-6815
  • Mfr. Part No. ERJPA3F2000V
Subtotal (1 bag of 100 units)
$5.70(exc. GST)
$0.057/unit
In Stock
Panasonic ERJ 560 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % 0.13 W - ERJU06F5603V
  • RS Stock No. 865-4510
  • Mfr. Part No. ERJU06F5603V
Subtotal (1 bag of 100 units)
$6.40(exc. GST)
$0.064/unit
In Stock
TE Connectivity 10 kΩ Carbon Film Resistor 0.33 W 5 %
  • RS Stock No. 131-378P
  • Mfr. Part No. CFR25J10K
Subtotal 10 units (supplied as a tape)
$0.80(exc. GST)
$0.08/unit
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