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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Antennas
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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
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
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Surge Protection Components
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Variable Resistors

157555 Products showing for Passive Components

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In Stock
Panasonic ERJPC3 1470 Ω, Tape & Reel Thick Film Resistor Thick Film Resistor ±0.1 to 0.5 % Surface 0.2 W - ERJPC3B1471V
  • RS Stock No. 789-200P
  • Mfr. Part No. ERJPC3B1471V
Subtotal 10 units (supplied on a continuous strip)
SGD0.82(exc. GST)
SGD0.082/unit
Last RS stock
TE Connectivity 2.7 Ω Metal Film Resistor 0.6 W 1 %
  • RS Stock No. 161-4296
  • Mfr. Part No. LR1F2R7
Subtotal (1 box of 4000 units)
SGD152.00(exc. GST)
SGD0.038/unit
Last RS stock
TE Connectivity CPF 120 kΩ, 0402 Thin Film Surface Mount Resistor ±0.1 % Surface 0.06 W
  • RS Stock No. 666-1535P
  • Mfr. Part No. CPF0402B120KE
Subtotal 5 units (supplied on a continuous strip)
SGD2.13(exc. GST)
SGD0.426/unit
In Stock
Yageo 220 nF Multilayer Ceramic Capacitor, 16V dc, ±10 %, Surface
  • RS Stock No. 198-8194P
  • Mfr. Part No. CS0603KRX7R7BB224
Subtotal 250 units (supplied on a reel)
SGD8.00(exc. GST)
SGD0.032/unit
Temporarily out of stock
Nichicon 1000 μF Capacitor 250V dc, Snap-in
  • RS Stock No. 714-9284
  • Mfr. Part No. LGR2E102MELC45
Subtotal (1 unit)
SGD13.03(exc. GST)
SGD13.03/unit
Temporarily out of stock
Bourns, SRP1038AA, 1038 Shielded Power Inductor with a Metal Alloy Powder Core, 1.5 μH ±20 % 17.5 A Idc Q:15
  • RS Stock No. 247-5990
  • Mfr. Part No. SRP1038AA-1R5M
Subtotal (1 unit)
SGD1.76(exc. GST)
SGD1.76/unit
In Stock
Panasonic ERJ H2R 68 Ω, 0402 Thick Film Surface Mount Resistor ±1 % 0.1 W - ERJH2RF68R0X
  • RS Stock No. 228-4671P
  • Mfr. Part No. ERJH2RF68R0X
Subtotal 100 units (supplied on a continuous strip)
SGD8.60(exc. GST)
SGD0.086/unit
Temporarily out of stock
Wurth Elektronik, WE-MAPI, 3015 Shielded Surface Mount Inductor with a Composite Iron Powder Core, 47 μH ±20 % 390 mA
  • RS Stock No. 163-4987
  • Mfr. Part No. 74438335470
Subtotal (1 reel of 1000 units)
SGD1,539.00(exc. GST)
SGD1.539/unit
In Stock
KEMET C44P-R Film Capacitor, ±5 %, 300 μF 700 V dc 330V ac, Stud Mount
  • RS Stock No. 182-8995
  • Mfr. Part No. C44PLGR6300RASJ
Subtotal (1 bag of 9 units)
SGD998.037(exc. GST)
SGD110.893/unit
In Stock
Wurth Elektronik, WE-TPC, 8015 Shielded Surface Mount Inductor with a Ferrite Core, 6.8 μH ±20 % 1.75 A Idc
  • RS Stock No. 800-8166
  • Mfr. Part No. 7440690068
Subtotal (1 unit)
SGD2.59(exc. GST)
SGD2.59/unit
In Stock
Wurth Elektronik, WE-RFI, 0805 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 820 nH ±5 % 300 mA Idc
  • RS Stock No. 800-7725
  • Mfr. Part No. 744760282A
Subtotal (1 pack of 5 units)
SGD3.20(exc. GST)
SGD0.64/unit
Last RS stock
Vishay 47 kΩ Metal Film Metal Film Resistor 1 W 5 % PR01000104702JR500
  • RS Stock No. 251-3748
  • Mfr. Part No. PR01000104702JR500
Subtotal (1 tape of 5 units)
SGD1.89(exc. GST)
SGD0.378/unit
In Stock
ROHM LTR10 160 mΩ, 0508 Power Film Surface Mount Resistor 1 % 1 W - LTR10LEZPFLR160
  • RS Stock No. 259-5384P
  • Mfr. Part No. LTR10LEZPFLR160
Subtotal 10 units (supplied on a continuous strip)
SGD4.50(exc. GST)
SGD0.45/unit
In Stock
KEMET 1 μF Multilayer Ceramic Capacitor, 6.3V dc, ±10 %, Surface
  • RS Stock No. 801-5202P
  • Mfr. Part No. C0603C105K9RACTU
Subtotal 25 units (supplied on a continuous strip)
SGD2.85(exc. GST)
SGD0.114/unit
In Stock
Wurth Elektronik Ferrite Bead 0.9 mm (Surface) (0805) (High Current), 30 Ω impedance at 100 MHz, 55 Ω impedance at 1 GHz
  • RS Stock No. 124-1865
  • Mfr. Part No. 74279206
Subtotal (1 pack of 50 units)
SGD9.70(exc. GST)
SGD0.194/unit
Temporarily out of stock
KOA RN73R 5.1 kΩ, 0603 Metal Film Surface Mount Resistor ±0.1 % 0.1 W - RN73R1JTTD5101B25
  • RS Stock No. 253-3171
  • Mfr. Part No. RN73R1JTTD5101B25
Subtotal (1 reel of 5000 units)
SGD445.00(exc. GST)
SGD0.089/unit
In Stock
KEMET PHE850 Film Capacitor Y2, ±20 %, 1 μF 1.25 kV dc 300V ac, Through Hole
  • RS Stock No. 616-8017P
  • Mfr. Part No. PHE850ER7100MR03R06L2
Subtotal 5 units (supplied in a box)
SGD55.95(exc. GST)
SGD11.19/unit
Currently unavailable
2 mΩ, Through Hole Trimmer Potentiometer, Pin 0.5 W Top Adjust Nidec Components, FT-63
  • RS Stock No. 244-4005
  • Mfr. Part No. FT-63ETV501
Subtotal (1 pack of 10 units)
SGD6.18(exc. GST)
SGD0.618/unit
Last RS stock
Vishay 248 5 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, Through Hole
  • RS Stock No. 410-378P
  • Mfr. Part No. 248FGJS0XB25502MA
Subtotal 1 unit (supplied in a box)
SGD23.28(exc. GST)
SGD23.28/unit
Last RS stock
KOA RN73H 47 kΩ, 0402 Thin Film Surface Mount Resistor ±0.1 % Surface 0.06 W
  • RS Stock No. 187-8030P
  • Mfr. Part No. RN73H1ETTP4702B25
Subtotal 250 units (supplied on a reel)
SGD62.50(exc. GST)
SGD0.25/unit
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