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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163920 Products showing for Passive Components

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In Stock
Murata 100 nF Multilayer Ceramic Capacitor, 1kV dc, ±10 %, Surface
  • RS Stock No. 723-6940
  • Mfr. Part No. GRM55DR73A104KW01L
Subtotal (1 pack of 2 units)
SGD2.44(exc. GST)
SGD1.22/unit
In Stock
KEMET 33 nF Multilayer Ceramic Capacitor, 1kV dc, ±5 %, Surface
  • RS Stock No. 187-1478
  • Mfr. Part No. C1825X333JDGACAUTO
Subtotal (1 unit)
SGD7.45(exc. GST)
SGD7.45/unit
In Stock
TDK, B84143A 16 A 520V ac 60Hz, Flange EMC Filter, Screw 3 Phase
  • RS Stock No. 162-0198
  • Mfr. Part No. B84143A0016R105
Subtotal (1 box of 4 units)
SGD791.60(exc. GST)
SGD197.90/unit
In Stock
ECS Inc International 32 MHz Crystal ±10 ppm Surface Mount 4-Pin 550 μm 2.00 mm 1.6mm
  • RS Stock No. 301-157
  • Mfr. Part No. ECS-320-8-37CKM
Subtotal (1 unit)
SGD1.27(exc. GST)
SGD1.27/unit
In Stock
Arcol Ohmite HS100 R5 J, 500 mΩ 100 W Aluminium Chassis Mount Resistor ±5 %
  • RS Stock No. 188-071P
  • Mfr. Part No. HS100 R5 J
Subtotal 1 unit (supplied in a box)
SGD18.13(exc. GST)
SGD18.13/unit
In Stock
Bourns 3549 5 kΩ Rotary Potentiometer 10-Turns 1-Gang Servo Mount, 3549S-1AE-502A
  • RS Stock No. 692-8547
  • Mfr. Part No. 3549S-1AE-502A
Subtotal (1 unit)
SGD53.96(exc. GST)
SGD53.96/unit
In Stock
Murata Power Solutions, 4600 Shielded Surface Mount Inductor 220 μH ±20 % 570 mA Idc
  • RS Stock No. 279-8035P
  • Mfr. Part No. 46224C
Subtotal 5 units (supplied on a continuous strip)
SGD6.65(exc. GST)
SGD1.33/unit
In Stock
Wurth Elektronik, WE-MAPI SMT, 4030 Shielded Power Inductor with a Manganese Zinc Core, 6.8 μH ±20 % 5.5 A Idc
  • RS Stock No. 258-5707P
  • Mfr. Part No. 74438357068
Subtotal 1 unit (supplied on a continuous strip)
SGD2.30(exc. GST)
SGD2.30/unit
Temporarily out of stock
Bourns 0.22 Ω Thick Film Fixed Resistor 100 W 1 % PF2472-0R22F1
  • RS Stock No. 938-943
  • Mfr. Part No. PF2472-0R22F1
Subtotal (1 unit)
SGD18.29(exc. GST)
SGD18.29/unit
Last RS stock
Rubycon 2200 μF Capacitor 25V dc, Through Hole - 25ZL2200MEFC12.5X35
  • RS Stock No. 703-7305
  • Mfr. Part No. 25ZL2200MEFC12.5X35
Subtotal (1 pack of 2 units)
SGD8.03(exc. GST)
SGD4.015/unit
Stocked by manufacturer
Cornell-Dubilier 64 μF Aluminium Electrolytic Capacitor 330V, Bracket - PSU6430
  • RS Stock No. 785-694
  • Mfr. Part No. PSU6430
Subtotal (1 bag of 4 units)
SGD492.97(exc. GST)
SGD123.243/unit
In Stock
Epson, 391.77MHz SPXO Crystal Oscillator LVDS Surface Mount X1G005941060211
  • RS Stock No. 298-644
  • Mfr. Part No. X1G005941060211
Subtotal (1 unit)
SGD110.20(exc. GST)
SGD110.20/unit
In Stock
Panasonic ERJUP6 47 Ω, 0805 Surface Mount Resistor ±1 % 0.5 W - ERJUP6F47R0V
  • RS Stock No. 243-2329
  • Mfr. Part No. ERJUP6F47R0V
Subtotal (1 tape of 100 units)
SGD9.00(exc. GST)
SGD0.09/unit
In Stock
Bourns, CAT16 1 kΩ 5 % ISOL Resistor Array, 4 Resistors, 0.25 W total, 1206, Concave
  • RS Stock No. 522-5406P
  • Mfr. Part No. CAT16-102J4LF
Subtotal 50 units (supplied on a continuous strip)
SGD1.60(exc. GST)
SGD0.032/unit
In Stock
Arcol Ohmite HS100M 150R JM407, 150 Ω 100 W Aluminium Chassis Mount Resistor 5 %
  • RS Stock No. 303-904
  • Mfr. Part No. HS100M 150R JM407
Subtotal (1 box of 32 units)
SGD670.50(exc. GST)
SGD20.953/unit
Temporarily out of stock
KEMET 47 mF Supercapacitor -20 → 80 % Tolerance, Supercap FM 5.5V dc, Through Hole
  • RS Stock No. 135-5820
  • Mfr. Part No. FME0H473ZF
Subtotal (1 bag of 1000 units)
SGD2,829.00(exc. GST)
SGD2.829/unit
In Stock
PUI Audio 80 dBA Through Hole Continuous Internal Magnetic Buzzer Component 5 mm 3 V dc Min 9.6 mm 9.6mm 7V dc Max
  • RS Stock No. 276-808
  • Mfr. Part No. AI-1027-TWT-5V-R
Subtotal (1 unit)
SGD3.37(exc. GST)
SGD3.37/unit
In Stock
Nichicon 1000 μF Capacitor 35V dc, Radial, Through Hole - UHE1V102MHD Radial Lead
  • RS Stock No. 491-0204
  • Mfr. Part No. UHE1V102MHD
Subtotal (1 pack of 5 units)
SGD3.62(exc. GST)
SGD0.724/unit
Last RS stock
TE Connectivity 1.05 kΩ Metal Film Resistor 0.25 W 0.1 %
  • RS Stock No. 755-1094P
  • Mfr. Part No. YR1B1K05CC
Subtotal 5 units (supplied in a bag)
SGD4.46(exc. GST)
SGD0.892/unit
Temporarily out of stock
Wurth Elektronik Shielding Strip With Solder 6 mm x 5mm x 6 mm
  • RS Stock No. 212-0508P
  • Mfr. Part No. 3029060060050
Subtotal 10 units (supplied on a continuous strip)
SGD9.66(exc. GST)
SGD0.966/unit
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