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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Fixed Resistors
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Inductors
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Passive Components Kits
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Sounder, Buzzer & Microphone Components
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169491 Products showing for Passive Components

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Panasonic ERJU02 470 kΩ, 0402 Surface Mount Resistor ±1 % 0.1 W - ERJU02F4703X
  • RS Stock No. 243-2068
  • Mfr. Part No. ERJU02F4703X
Subtotal (100 units, on tapes of 100)
$4.70(exc. GST)
$0.047/unit
Temporarily out of stock
Panasonic 1 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % Surface 0.5 W - ERJUP6F1001V
  • RS Stock No. 243-2231
  • Mfr. Part No. ERJUP6F1001V
Subtotal (5000 units, on reels of 5000)
$265.00(exc. GST)
$0.053/unit
Currently unavailable
Panasonic ERJU02 820 kΩ, 0402 Surface Mount Resistor ±1 % 0.1 W - ERJU02F8203X
  • RS Stock No. 243-2093
  • Mfr. Part No. ERJU02F8203X
Subtotal (100 units, on tapes of 100)
$6.00(exc. GST)
$0.06/unit
In Stock
Panasonic ERJUP3 270 kΩ, 0603 Surface Mount Resistor ±1 % 0.25 W - ERJUP3F2703V
  • RS Stock No. 243-2159
  • Mfr. Part No. ERJUP3F2703V
Subtotal (100 units, on tapes of 100)
$9.10(exc. GST)
$0.091/unit
In Stock
Panasonic ERJUP3 15 kΩ, 0603 Surface Mount Resistor ±1 % 0.25 W - ERJUP3F1502V
  • RS Stock No. 243-2124
  • Mfr. Part No. ERJUP3F1502V
Subtotal (100 units, on tapes of 100)
$9.10(exc. GST)
$0.091/unit
In Stock
Panasonic 82 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % Surface 0.25 W - ERJUP3F8202V
  • RS Stock No. 243-2223
  • Mfr. Part No. ERJUP3F8202V
Subtotal (100 units, on tapes of 100)
$9.10(exc. GST)
$0.091/unit
In Stock
Panasonic 1.5 kΩ, 0805 Thick Film Surface Mount Resistor ±1 % Surface 0.5 W - ERJUP6F1501V
  • RS Stock No. 243-2256
  • Mfr. Part No. ERJUP6F1501V
Subtotal (100 units, on tapes of 100)
$9.40(exc. GST)
$0.094/unit
In Stock
Bourns CAT16 47 Ω, 1206 Resistor 1 % 63 mW - CAT16-4701F4LF
  • RS Stock No. 247-6965
  • Mfr. Part No. CAT16-4701F4LF
Subtotal (100 units, on tapes of 100)
$4.80(exc. GST)
$0.048/unit
In Stock
Panasonic 47 kΩ, 0603 Thick Film Surface Mount Resistor ±1 % Surface 0.25 W - ERJUP3F4702V
  • RS Stock No. 243-2191
  • Mfr. Part No. ERJUP3F4702V
Subtotal (100 units, on tapes of 100)
$8.60(exc. GST)
$0.086/unit
In Stock
Panasonic ERJUP3 2.7 kΩ, 0603 Surface Mount Resistor ±1 % 0.25 W - ERJUP3F2701V
  • RS Stock No. 243-2154
  • Mfr. Part No. ERJUP3F2701V
Subtotal (100 units, on tapes of 100)
$8.90(exc. GST)
$0.089/unit
In Stock
Epson 32.768 MHz Crystal Unit ±20 ppm SMT 2-Pin 0.6 mm 2.05 mm 1.2mm
  • RS Stock No. 205-3448P
  • Mfr. Part No. X1A000141000612
Subtotal (5 units, supplied on a continuous strip)
$9.36(exc. GST)
$1.872/unit
In Stock
Panasonic ERJUP6 22 Ω, 0805 Surface Mount Resistor ±1 % 0.5 W - ERJUP6F22R0V
  • RS Stock No. 243-2286
  • Mfr. Part No. ERJUP6F22R0V
Subtotal (100 units, on tapes of 100)
$9.40(exc. GST)
$0.094/unit
In Stock
Bourns CR0402 1 mΩ, 0402 Thick Film Resistor 1 % 63 mW - CR0402-FX-1004GLF
  • RS Stock No. 247-6986
  • Mfr. Part No. CR0402-FX-1004GLF
Subtotal (1000 units, on tapes of 1000)
$4.00(exc. GST)
$0.004/unit
Last RS stock
TE Connectivity 3503 121 Ω, 1206 Thin Film Surface Mount Resistor ±1 % Surface 2 W - 3503G2B121RFTDF
  • RS Stock No. 252-7551
  • Mfr. Part No. 3503G2B121RFTDF
Subtotal (1 unit)
$2.39(exc. GST)
$2.39/unit
Currently unavailable
Vishay MSP 220 mΩ Wirewound ±5 % 1 W - MSP1BR2200JR10E3
  • RS Stock No. 610-4669P
  • Mfr. Part No. MSP1BR2200JR10E3
Subtotal (5 units, supplied on a continuous strip)
$86.50(exc. GST)
$17.30/unit
Currently unavailable
ROHM LTR 10 mΩ, 1225 Thick Film Surface Mount Resistor ±1 % 4 W - LTR100LJZPFSR075
  • RS Stock No. 244-0099
  • Mfr. Part No. LTR100LJZPFSR075
Subtotal (1 unit)
$2.26(exc. GST)
$2.26/unit
Last RS stock
Vishay TNP 634 kΩ, 0805 Thin Film Resistor ±0.1 % Surface 0.2 W - TNPV0805634KBEEA
  • RS Stock No. 244-1334
  • Mfr. Part No. TNPV0805634KBEEA
Subtotal (5 units, on tapes of 5)
$5.43(exc. GST)
$1.086/unit
In Stock
Bourns CR 75 Ω, 0805 Thick Film Surface Mount Resistor ±1 % 0.13 W - CR0805-FX-75R0ELF
  • RS Stock No. 246-3211
  • Mfr. Part No. CR0805-FX-75R0ELF
Subtotal (5000 units, on reels of 5000)
$35.00(exc. GST)
$0.007/unit
Currently unavailable
Bourns, SRN6045HA, 6045 Shielded Power Inductor with a Ferrite Core, 1 μH ±30 % 6.5 A Idc Q:17
  • RS Stock No. 247-5959
  • Mfr. Part No. SRN6045HA-1R0Y
Subtotal (1000 units, on reels of 1000)
$348.00(exc. GST)
$0.348/unit
In Stock
Bourns CR1206 4.7 kΩ, 1206 Thick Film Resistor 1 % 250 mW - CR1206-FX-4701ELF
  • RS Stock No. 247-7139
  • Mfr. Part No. CR1206-FX-4701ELF
Subtotal (500 units, on tapes of 500)
$8.50(exc. GST)
$0.017/unit
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