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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Crystals, Oscillators & Resonators
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EMI Filters & Protection
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Passive Components Kits
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Sounder, Buzzer & Microphone Components
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160771 Products showing for Passive Components

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TDK-Lambda, RTEN 6 A 500V ac -25Hz, 85 Hz, Panel Mount EMC Filter, Screw 3 Phase
  • RS Stock No. 238-0262
  • Mfr. Part No. RTEN-5006
Subtotal (1 unit)
SGD86.77(exc. GST)
SGD86.77/unit
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Vishay Thermistor, NTC Type 10 kΩ 153.11 mm
  • RS Stock No. 126-293
  • Mfr. Part No. NTCALUG01T103GA
Subtotal (1 pack of 5 units)
SGD19.60(exc. GST)
SGD3.92/unit
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RS PRO 20 A 250V ac 50Hz, 60 Hz, Chassis Mount Power Line Filter, Fast-On 1 Phase
  • RS Stock No. 237-8730
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SGD51.91(exc. GST)
SGD51.91/unit
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CHEMI-CON 1200 μF Capacitor 200V dc, Snap-in - EKMQ201VSN122MQ50S
  • RS Stock No. 841-4729
  • Mfr. Part No. EKMQ201VSN122MQ50S
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SGD9.19(exc. GST)
SGD9.19/unit
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Phoenix Contact, VAL Surge Arrester 800V dc Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester
  • RS Stock No. 493-564
  • Mfr. Part No. 1466770
Subtotal (1 unit)
SGD394.99(exc. GST)
SGD394.99/unit
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Sonitron 73 dB Panel Mount Continuous Internal 26 mm Piezo Buzzer Component 140 mm 2 V dc Min 35V dc Max
  • RS Stock No. 245-6590
  • Mfr. Part No. SC235A F2
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SGD59.57(exc. GST)
SGD59.57/unit
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Essentra Clip for use with 9.5 mm Dia. Capacitor
  • RS Stock No. 102-5410
  • Mfr. Part No. V-1002
Subtotal (1 pack of 10 units)
SGD8.87(exc. GST)
SGD0.887/unit
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TE Connectivity TLRP 15 mΩ, 1206 Current Sensing Surface Mount Resistor ±1 % Surface 1 W
  • RS Stock No. 231-3902P
  • Mfr. Part No. TLRP2B10DR015FTD
Subtotal 10 units (supplied on a continuous strip)
SGD6.10(exc. GST)
SGD0.61/unit
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Siretta OSCAR1A/5M/SMAM/S/S/31 Puck Multi-Band Antenna with SMA Male Connector, 410 MHz, 5990 MHz, IEEE 802.15.4, NB
  • RS Stock No. 124-8874
  • Mfr. Part No. OSCAR1A/5M/SMAM/S/S/31
Subtotal (1 unit)
SGD57.91(exc. GST)
SGD57.91/unit
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TDK 100 nF Multilayer Ceramic Capacitor, 10V dc, ±10 %, Surface
  • RS Stock No. 242-7259P
  • Mfr. Part No. C0603X5R1A104K030BC
Subtotal 100 units (supplied on a continuous strip)
SGD2.70(exc. GST)
SGD0.027/unit
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Murata 330 μF Multilayer Ceramic Capacitor, 2.5V dc, ±20 %, Surface
  • RS Stock No. 133-1946P
  • Mfr. Part No. GRM32EC80E337ME05L
Subtotal 5 units (supplied on a continuous strip)
SGD11.07(exc. GST)
SGD2.214/unit
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TE Connectivity M 22 kΩ Rotary Potentiometer 1-Turns 1-Gang Panel Mount, 404802692039
  • RS Stock No. 162-849
  • Mfr. Part No. 404802692039
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SGD36.36(exc. GST)
SGD36.36/unit
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TDK Openable, Diameter 12 mm Ferrite Sleeve, Apertures: 1 34.6 mm 27 mm 27.5 mm, For Automotive ECUs
  • RS Stock No. 831-9504
  • Mfr. Part No. ZCAT12V-BK
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SGD9.88(exc. GST)
SGD9.88/unit
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Vishay MKT 1813 Film Capacitor 680 nF 40V ac 63 V dc, Through Hole
  • RS Stock No. 185-4022
  • Mfr. Part No. MKT1813468065
Subtotal (1 pack of 5 units)
SGD14.46(exc. GST)
SGD2.892/unit
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Wurth Elektronik 35 mH Nano Crystal Common Mode Choke, Max SRF:300 MHz, 3.5 A Idc, 80 mΩ Rdc 250V ac, WE-CMBNC
  • RS Stock No. 816-4795
  • Mfr. Part No. 7448040435
Subtotal (1 unit)
SGD18.53(exc. GST)
SGD18.53/unit
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KEMET 47 μF MnO2 Tantalum Capacitor 35V dc, Surface, T495 Series
  • RS Stock No. 801-5564
  • Mfr. Part No. T495X476K035ATE300
Subtotal (1 pack of 2 units)
SGD8.64(exc. GST)
SGD4.32/unit
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KEMET 10 μF MnO2 Tantalum Capacitor 35V dc, Surface, T491 Series
  • RS Stock No. 801-5520
  • Mfr. Part No. T491C106K035AT
Subtotal (1 pack of 10 units)
SGD8.16(exc. GST)
SGD0.816/unit
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KYOCERA AVX 150 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 135-6726
  • Mfr. Part No. 12065C154KAT2A
Subtotal (1 bag of 100 units)
SGD13.50(exc. GST)
SGD0.135/unit
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Bourns, 1250 Surge Arrester 415V ac Maximum Voltage Rating 50 kA Maximum Surge Current 2 Pole Protector
  • RS Stock No. 785-8130
  • Mfr. Part No. 1250-2S-230
Subtotal (1 unit)
SGD311.42(exc. GST)
SGD311.42/unit
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KEMET 50 μF Capacitor 220V ac, Snap-in
  • RS Stock No. 151-1553
  • Mfr. Part No. 050MS22AAMA1STD
Subtotal (1 unit)
SGD6.45(exc. GST)
SGD6.45/unit
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