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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 be: 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 component that can gather and hold a charge in a way that is similar to how a battery functions. The capacitor is made of 2 close conductors (usually plates) that are separated by a dielectric material. The plates accumulate electric charge when connected to power source. One plate accumulates positive charge and the other plate accumulates 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

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 its 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 device 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, such as windings from a transformer and inductors. It is useful because it offers low electrical conductivity along with high magnetic permeability.

  • Surge Protection Components

Surge protectors are a part of nearly every home and office today. They provide your expensive electronic devices with added protection against surges of electricity, which would ultimately destroy them.

Antennas
Antennas
Capacitors
Capacitors
Crystals, Oscillators & Resonators
Crystals, Oscillators & Resonators
EMI Filters & Protection
EMI Filters & Protection
Fixed Resistors
Fixed Resistors
Inductors
Inductors
Passive Components Kits
Passive Components Kits
Rotary Encoders
Rotary Encoders
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
Surge Protection Components
Surge Protection Components
Variable Resistors
Variable Resistors

168965 Products showing for Passive Components

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2218 of 999+
In Stock
RS PRO 1.5 kΩ, 0207 Thin Film Surface Mount Resistor ±1 % 0.5 W
  • RS Stock No. 169-0370
Subtotal (2000 units, on reels of 2000)
£40.00(exc. VAT)
£0.02/unit
Temporarily out of stock
AVX 6.8 μF Tantalum Tantalum Capacitor 35V dc, Surface, TAJ Series
  • RS Stock No. 136-0307
  • Mfr. Part No. TAJC685K035RNJ
Subtotal (500 units, on reels of 500)
£123.50(exc. VAT)
£0.247/unit
In Stock
Bourns, SRN5030HA, 5030 Shielded Power Inductor with a Ferrite Core, 47 μH ±20 % 800 mA Idc Q:16
  • RS Stock No. 247-5949
  • Mfr. Part No. SRN5030HA-470M
Subtotal (10 units, on tapes of 10)
£2.48(exc. VAT)
£0.248/unit
In Stock
KYOCERA AVX 10 nF Multilayer Ceramic Capacitor, 500V dc, ±10 %, Surface
  • RS Stock No. 166-7739
  • Mfr. Part No. 12107C103KAT2A
Subtotal (2000 units, on reels of 2000)
£414.00(exc. VAT)
£0.207/unit
In Stock
Vishay MMB0207 47 kΩ, 0207 Thin Film Surface Mount Resistor ±1 % 0.4 W - MMB02070C4702FB200
  • RS Stock No. 180-4176
  • Mfr. Part No. MMB02070C4702FB200
Subtotal (2000 units, on reels of 2000)
£100.00(exc. VAT)
£0.05/unit
In Stock
Vishay 1 nF Multilayer Ceramic Capacitor, 50V dc, ±10 %, Surface
  • RS Stock No. 272-7878
  • Mfr. Part No. VJ0603Y102KXACW1BC
Subtotal (500 units, on tapes of 500)
£6.50(exc. VAT)
£0.013/unit
In Stock
Isabellenhutte SMK 100 mΩ, 1206 Zeranin Surface Mount Resistor ±1 % 1 W
  • RS Stock No. 192-9935P
  • Mfr. Part No. SMK-R100-1.0
Subtotal (10 units, supplied on a continuous strip)
£10.06(exc. VAT)
£1.006/unit
Currently unavailable
Same Sky 80 dB Through Hole Buzzer External Magnetic Buzzer 5.5 mm 9 V dc Min 5.5 mm 20V dc Max
  • RS Stock No. 259-6291
  • Mfr. Part No. CPT-1255C-090
Subtotal (100 units, in trays of 100)
£57.20(exc. VAT)
£0.572/unit
In Stock
Wurth Elektronik Ferrite Bead 0.8 mm (Surface) (0603) (EMI Suppression), 220 Ω impedance at 100 MHz
  • RS Stock No. 669-4002
  • Mfr. Part No. 74279263
Subtotal (10 units, in packs of 10)
£1.33(exc. VAT)
£0.133/unit
Temporarily out of stock
Murata, LQH, 1210 Unshielded Wirewound Surface Mount Inductor with a Ferrite Core, 33 μH ±10 % 200 mA Idc
  • RS Stock No. 725-5061
  • Mfr. Part No. LQH32CN330K53L
Subtotal (10 units, in packs of 10)
£1.89(exc. VAT)
£0.189/unit
In Stock
TE Connectivity 40 mΩ, 2512 Current Sensing Surface Mount Resistor ±1 % 3 W - TLRP3A30DR040FTE
  • RS Stock No. 231-3968
  • Mfr. Part No. TLRP3A30DR040FTE
Subtotal (10 units, on tapes of 10)
£3.28(exc. VAT)
£0.328/unit
In Stock
Panasonic 390 μF Polymer Capacitor 6.3V dc, Surface - 6SVT390M
  • RS Stock No. 210-5608
  • Mfr. Part No. 6SVT390M
Subtotal (1000 units, on reels of 1000)
£644.00(exc. VAT)
£0.644/unit
In Stock
TE Connectivity 1 kΩ Metal Film Resistor 0.25 W 0.1 %
  • RS Stock No. 125-1196P
  • Mfr. Part No. H81K0BYA
Subtotal (10 units, supplied on a continuous strip)
£10.09(exc. VAT)
£1.009/unit
Temporarily out of stock
Panasonic 330 μF Polymer Capacitor 6.3V dc, TPS Series
  • RS Stock No. 210-4885
  • Mfr. Part No. ETPS330MUD
Subtotal (2500 units, on reels of 2500)
£1,395.00(exc. VAT)
£0.558/unit
In Stock
Fair-Rite, Diameter 4.75 mm Ferrite Sleeve
  • RS Stock No. 255-5109
  • Mfr. Part No. 2843010402
Subtotal (1 unit)
£1.20(exc. VAT)
£1.20/unit
In Stock
Bourns CRM0805 100 mΩ, 0805 Thick Film Resistor ±1 % 0.25 W - CRM0805-FX-R100ELF
  • RS Stock No. 181-4398
  • Mfr. Part No. CRM0805-FX-R100ELF
Subtotal (5000 units, on reels of 5000)
£180.00(exc. VAT)
£0.036/unit
In Stock
KYOCERA AVX 100 nF Electrolytic Tantalum Capacitor 50V dc, Through Hole, Tap Series
  • RS Stock No. 134-9757
  • Mfr. Part No. TAP104K050SCS
Subtotal (25 units, in bags of 25)
£12.00(exc. VAT)
£0.48/unit
In Stock
Bourns, 4600X 1 kΩ 2 % BUS Resistor Array, 8 Resistors, 1.13 W total, SIP, Solder
  • RS Stock No. 167-3304
  • Mfr. Part No. 4609X-101-102LF
Subtotal (200 units, in bags of 200)
£20.60(exc. VAT)
£0.103/unit
Limited stock
Wurth Elektronik 47 mH 250 mA Common Mode Choke 4 Ω 80V
  • RS Stock No. 816-4890
  • Mfr. Part No. 744290473
Subtotal (1 unit)
£2.61(exc. VAT)
£2.61/unit
In Stock
Bourns CRT 100 kΩ, 0603 Thin Film Surface Mount Resistor ±0.1 % 0.1 W
  • RS Stock No. 693-4473P
  • Mfr. Part No. CRT0603-BY-1003ELF
Subtotal (5 units, supplied on a continuous strip)
£0.62(exc. VAT)
£0.124/unit
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