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
Fixed Resistors
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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163725 Products showing for Passive Components

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Wurth Elektronik 1 μF Multilayer Ceramic Capacitor, 25V dc, ±10 %, Surface
  • RS Stock No. 192-7657
  • Mfr. Part No. 885012208064
Subtotal (50 units, in packs of 50)
SGD6.25(exc. GST)
SGD0.125/unit
In Stock
Abracon, 8MHz Clock Oscillator, ±30 ppm CMOS, 4-Pin Surface Mount ASCO-8.000MHZ-EK-T3
  • RS Stock No. 171-2319
  • Mfr. Part No. ASCO-8.000MHZ-EK-T3
Subtotal (3000 units, on reels of 3000)
SGD6,180.00(exc. GST)
SGD2.06/unit
In Stock
Murata 100 nF Multilayer Ceramic Capacitor, 50V dc, ±5 %, Surface
  • RS Stock No. 723-6603
  • Mfr. Part No. GRM31C5C1H104JA01L
Subtotal (10 units, in packs of 10)
SGD3.28(exc. GST)
SGD0.328/unit
Last RS stock
Panasonic ECQUB Polypropylene Capacitor, ±10 %, 5.6 nF 300V ac, Through Hole
  • RS Stock No. 211-0333P
  • Mfr. Part No. ECQUBAF562K
Subtotal (10 units, supplied in a bag)
SGD10.48(exc. GST)
SGD1.048/unit
In Stock
TE Connectivity HSA2518RJ, 18 Ω 25 W Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 720-5057
  • Mfr. Part No. HSA2518RJ
Subtotal (1 unit)
SGD9.83(exc. GST)
SGD9.83/unit
In Stock
KEMET R60 Film Capacitor, ±10 %, 100 nF 400 V dc 200V ac
  • RS Stock No. 126-2262
  • Mfr. Part No. R60MI3100AA30K
Subtotal (10 units, in packs of 10)
SGD7.83(exc. GST)
SGD0.783/unit
In Stock
TDK B32672Z Film Capacitor 100 nF 450V ac 450 V dc, Through Hole 2
  • RS Stock No. 194-3717
  • Mfr. Part No. B32672Z4104K000
Subtotal (50 units, in packs of 50)
SGD15.05(exc. GST)
SGD0.301/unit
Temporarily out of stock
Panasonic ERJ 1.2 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W - ERJ3EKF1201V
  • RS Stock No. 175-5736
  • Mfr. Part No. ERJ3EKF1201V
Subtotal (5000 units, on reels of 5000)
SGD55.00(exc. GST)
SGD0.011/unit
In Stock
KEMET 10 pF Multilayer Ceramic Capacitor, 50V dc, ±1 %, Surface
  • RS Stock No. 180-6471
  • Mfr. Part No. C0603C100F5GACTU
Subtotal (500 units, on reels of 500)
SGD103.00(exc. GST)
SGD0.206/unit
In Stock
Wurth Elektronik 1 nF Multilayer Ceramic Capacitor, 25V dc, ±10 %, Surface
  • RS Stock No. 181-4036
  • Mfr. Part No. 885012207060
Subtotal (250 units, in packs of 250)
SGD11.25(exc. GST)
SGD0.045/unit
In Stock
Bourns, SRR1210, 1210 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 68 μH ±20 % 3 A Idc Q:12
  • RS Stock No. 727-2303
  • Mfr. Part No. SRR1210-680M
Subtotal (5 units, in packs of 5)
SGD8.70(exc. GST)
SGD1.74/unit
In Stock
Panasonic ERJ 1.5 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % 0.1 W - ERJ3EKF1501V
  • RS Stock No. 176-3511
  • Mfr. Part No. ERJ3EKF1501V
Subtotal (1000 units, on reels of 1000)
SGD16.00(exc. GST)
SGD0.016/unit
Last RS stock
KEMET 10 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %
  • RS Stock No. 538-1196
  • Mfr. Part No. C315C103K5R5TA
Subtotal (5 units, in packs of 5)
SGD1.32(exc. GST)
SGD0.264/unit
Temporarily out of stock
Wurth Elektronik, WE-PD2 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 10 μH ±20 % 1.45 A Idc
  • RS Stock No. 163-3750
  • Mfr. Part No. 74477310
Subtotal (1500 units, on reels of 1500)
SGD2,238.00(exc. GST)
SGD1.492/unit
Temporarily out of stock
Bourns, CAY10 10 kΩ 5 % ISOL Resistor Array, 4 Resistors, 0.13 W total, 0804, Convex
  • RS Stock No. 167-4520
  • Mfr. Part No. CAY10-103J4LF
Subtotal (10000 units, on reels of 10000)
SGD150.00(exc. GST)
SGD0.015/unit
Temporarily out of stock
Bourns, SDR0604, 0604 Unshielded Wirewound Surface Mount Inductor with a Ferrite DR Core, 12 μH Ferrite Core ±20 % 1.4 A
  • RS Stock No. 180-8963
  • Mfr. Part No. SDR0604-120ML
Subtotal (100 units, on reels of 100)
SGD42.50(exc. GST)
SGD0.425/unit
Currently unavailable
Vishay 360 Ω Thin Film Resistor 0.6 W 1 %
  • RS Stock No. 166-7775
  • Mfr. Part No. MBB02070C3600FCT00
Subtotal (5000 units, in boxes of 5000)
SGD240.00(exc. GST)
SGD0.048/unit
In Stock
KEMET 100 nF Multilayer Ceramic Capacitor, 25V dc, ±10 %, Surface
  • RS Stock No. 161-1514
  • Mfr. Part No. C0402C104K3PACTU
Subtotal (100 units, in packs of 100)
SGD4.20(exc. GST)
SGD0.042/unit
In Stock
Panasonic ERJ 910 mΩ, 0805 Surface Mount Resistor ±1 % 0.5 W - ERJ6DQFR91V
  • RS Stock No. 243-2003
  • Mfr. Part No. ERJ6DQFR91V
Subtotal (50 units, on tapes of 50)
SGD6.95(exc. GST)
SGD0.139/unit
In Stock
Wurth Elektronik, WE-XHMI Shielded Power Inductor 3.3 μH
  • RS Stock No. 484-741
  • Mfr. Part No. 74439369033
Subtotal (1 unit)
SGD62.06(exc. GST)
SGD62.06/unit
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