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

160794 Products showing for Passive Components

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Temporarily out of stock
Bourns 22 Ω Wirewound Resistor 1 W 5 %
  • RS Stock No. 161-6875
  • Mfr. Part No. W1M22R0J
Subtotal (1 box of 1000 units)
SGD78.00(exc. GST)
SGD0.078/unit
Temporarily out of stock
10 kΩ, Surface Trimmer Potentiometer, Gull Wing 0.25 W Top Adjust Nidec Components, SM-42
  • RS Stock No. 602-4951
  • Mfr. Part No. SM-42X 10k Ohm
Subtotal (1 pack of 5 units)
SGD33.41(exc. GST)
SGD6.682/unit
In Stock
Murata 220 μF Multilayer Ceramic Capacitor, 4V dc, ±20 %, Surface
  • RS Stock No. 185-1614
  • Mfr. Part No. GRM31CR60G227ME11L
Subtotal (1 reel of 2000 units)
SGD1,140.00(exc. GST)
SGD0.57/unit
In Stock
KEMET R76_125C Film Capacitor, ±5 %, 680 nF 630 V dc 400V ac, Through Hole
  • RS Stock No. 192-8569
  • Mfr. Part No. R76PR368050H4J
Subtotal (1 pack of 2 units)
SGD9.62(exc. GST)
SGD4.81/unit
In Stock
Wurth Elektronik 220 μF Surface Aluminium Polymer Capacitor, 16V dc
  • RS Stock No. 275-9463
  • Mfr. Part No. 875585345004
Subtotal (1 reel of 900 units)
SGD1,332.90(exc. GST)
SGD1.481/unit
Temporarily out of stock
Schaffner 3 mH Current Compensated Choke, Max SRF:400 Hz, 16 A Idc, 8.4 mΩ Rdc 1000V ac/dc, RB
  • RS Stock No. 170-5163
  • Mfr. Part No. RB8522-16-3M0
Subtotal (1 box of 60 units)
SGD2,017.74(exc. GST)
SGD33.629/unit
Temporarily out of stock
Panasonic 100 μF Capacitor 100V dc, Surface Solder 0125
  • RS Stock No. 172-4595
  • Mfr. Part No. EEEFK2A101AM
Subtotal (1 box of 125 units)
SGD214.625(exc. GST)
SGD1.717/unit
In Stock
Panasonic ERJ 39 kΩ, 0603 Thick Film Surface Mount Resistor ±0.5 % 0.1 W - ERJ3RBD3902V
  • RS Stock No. 810-2255
  • Mfr. Part No. ERJ3RBD3902V
Subtotal (1 bag of 100 units)
SGD5.50(exc. GST)
SGD0.055/unit
In Stock
Vishay 100 Ω Metal Film Resistor 3 W 5 %
  • RS Stock No. 683-5861P
  • Mfr. Part No. PR03000201000JAC00
Subtotal 10 units (supplied as a tape)
SGD3.63(exc. GST)
SGD0.363/unit
In Stock
KEMET R53B Film Capacitor, ±10 %, 100 nF 800 V dc 350V ac, Through Hole
  • RS Stock No. 242-3612
  • Mfr. Part No. R53BI31005000K
Subtotal (1 pack of 10 units)
SGD7.24(exc. GST)
SGD0.724/unit
Temporarily out of stock
Wurth Elektronik, WE-TPC, 2828 Shielded Wirewound Surface Mount Inductor with a Ferrite Core, 15 μH ±20 % 720 mA Idc
  • RS Stock No. 163-4012
  • Mfr. Part No. 744025150
Subtotal (1 reel of 550 units)
SGD663.85(exc. GST)
SGD1.207/unit
In Stock
TE Connectivity, 100 Ω 1.5 kW Wirewound Chassis Mount Resistor ±5 %
  • RS Stock No. 701-5832P
  • Mfr. Part No. TE1500B100RJ
Subtotal 1 unit (supplied in a box)
SGD146.82(exc. GST)
SGD146.82/unit
In Stock
Schaffner, FN3288 25 A 530V ac 60Hz, Chassis Mount EMC Filter, Terminal Block 3 Phase
  • RS Stock No. 184-7774
  • Mfr. Part No. FN3288-25-33-C35-R65
Subtotal (1 unit)
SGD305.01(exc. GST)
SGD305.01/unit
Temporarily out of stock
Panasonic ERJPC3 976 Ω, 0603 Thick Film Resistor Thick Film Resistor ±0.5 % Surface 0.2 W - ERJPC3D9760V
  • RS Stock No. 789-825
  • Mfr. Part No. ERJPC3D9760V
Subtotal (1 tape of 10 units)
SGD0.73(exc. GST)
SGD0.073/unit
In Stock
Epson 24 MHz Crystal Unit ±10 ppm SMT 4-Pin 0.5 mm 2 mm 1.6mm
  • RS Stock No. 205-3406
  • Mfr. Part No. Q22FA1280024912
Subtotal (1 pack of 5 units)
SGD4.91(exc. GST)
SGD0.982/unit
Temporarily out of stock
Wurth Elektronik 0.13 μH 550 mA Common Mode Choke 145 mΩ 50V
  • RS Stock No. 756-8402
  • Mfr. Part No. 744230900
Subtotal (1 bag of 5 units)
SGD9.00(exc. GST)
SGD1.80/unit
In Stock
KOA RN73R 3 kΩ, 0603 Metal Film Surface Mount Resistor ±0.1 % 0.1 W - RN73R1JTTD3001B25
  • RS Stock No. 253-3146
  • Mfr. Part No. RN73R1JTTD3001B25
Subtotal (1 tape of 5 units)
SGD1.47(exc. GST)
SGD0.294/unit
In Stock
Murata 6.8 nF Multilayer Ceramic Capacitor, 100V dc, ±10 %, Through Hole Radial
  • RS Stock No. 150-4018
  • Mfr. Part No. RDER72A682K0M1H03A
Subtotal (1 pack of 25 units)
SGD8.55(exc. GST)
SGD0.342/unit
Stocked by manufacturer
Grayhill 5V dc Optical Encoder with a 6.35 mm Flat Shaft, Panel Mount, PC Pin
  • RS Stock No. 878-0451
  • Mfr. Part No. 61C11-01-08-01
Subtotal (1 unit)
SGD72.42(exc. GST)
SGD72.42/unit
In Stock
Abracon, AFS1575, Signal Filter, 5V 1575MHz, Surface 1.5 mm 3 mm
  • RS Stock No. 250-5201
  • Mfr. Part No. AFS1575.42S4-T
Subtotal (1 reel of 1000 units)
SGD1,834.00(exc. GST)
SGD1.834/unit
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