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Component range

Electronic components, organised around your requirements.

Explore the component families used in electronic assemblies, manufacturing and product development. Share a part number, specification or bill of materials to discuss your requirement.

Send an enquiryExplore Component Categories
01 RESISTORS02 CAPACITORS03 INDUCTORS & COILS04 SEMICONDUCTORS05 INTEGRATED CIRCUITS06 PROTECTION07 CONNECTORS08 POWER09 LEDS & DISPLAYSGSECOMPONENT RANGE
Category index

Twelve component families.

Jump to a category to see its subcategories, the attributes that define a part and representative examples.
Category details

Category details

Representative examples show common component types for reference. They are not a statement of current availability.

01Passive components

Index

Resistors

Fixed resistors for signal, sensing and power applications, in surface-mount chip and through-hole forms.

RFig. 01
103
SMD chip resistor and axial resistor

Subcategories

  • SMD chip resistors
  • Through-hole resistors
  • Metal-film resistors
  • Carbon-film resistors
  • Wirewound resistors
  • Current-sense resistors
  • Resistor networks
  • High-power resistors

Selection attributes

  • Resistance
  • Tolerance
  • Power rating
  • Package size

Representative examples

  • 0603 chip resistors
  • 0805 chip resistors
  • 1206 chip resistors
  • 2512 chip resistors

Package codes such as 0603 or 2512 describe the physical size only. A complete resistor specification also needs resistance, tolerance and power rating.

Enquire about resistorsBack to category index

02Passive components

Index

Capacitors

Capacitors for decoupling, filtering, timing and energy storage, across ceramic, electrolytic, tantalum and film technologies.

CFig. 02
0603 MLCC and SMD aluminium electrolytic

Subcategories

  • Multilayer ceramic capacitors (MLCCs)
  • Aluminium electrolytic capacitors
  • Tantalum capacitors
  • Film capacitors
  • Box capacitors
  • Safety capacitors
  • Supercapacitors

Selection attributes

  • Capacitance
  • Voltage rating
  • Tolerance
  • Dielectric or capacitor type
  • Package or dimensions

Representative examples

  • 100nF MLCC
  • 10uF ceramic capacitor
  • 100uF aluminium electrolytic

Capacitance alone does not identify a part: voltage rating, dielectric or type, tolerance and size are needed as well.

Enquire about capacitorsCapacitors: types and enquiry detailsBack to category index

03Passive components

Index

Inductors & coils

Inductive components for power conversion, filtering and EMI suppression on power and signal lines.

LFig. 03
100
SMD power inductor

Subcategories

  • SMD power inductors
  • Shielded inductors
  • Drum-core inductors
  • Common-mode chokes
  • Ferrite beads
  • RF inductors
  • Transformers and coils, where applicable

Selection attributes

  • Inductance
  • Current rating
  • DCR
  • Package size
  • Shielding type

Representative examples

  • SMD power inductors
  • Ferrite beads
  • Common-mode chokes

Inductors are usually specified by inductance, current rating and DCR together — a matching footprint alone is rarely enough.

Enquire about inductors and coilsBack to category index

04Category

Index

Semiconductors & discrete components

Diodes, transistors and thyristors for rectification, switching, protection and power stages in electronic assemblies.

D · QFig. 04
1AM
DO-41 axial diode and SOT-23 transistor

Subcategories

  • Rectifier diodes
  • Fast-recovery diodes
  • Schottky diodes
  • Zener diodes
  • TVS diodes
  • Bridge rectifiers
  • BJTs
  • MOSFETs
  • IGBTs
  • Thyristors and SCRs

Selection attributes

  • Voltage rating
  • Current rating
  • Polarity or channel type
  • Package

Representative examples

  • Rectifier diodes · through-hole
  • Schottky diodes · SMD
  • Small-signal transistors
  • Power MOSFETs · TO-220
Enquire about semiconductorsSemiconductors: types and enquiry detailsBack to category index

05Category

Index

Integrated circuits

Analog, digital and mixed-signal ICs — from timers and op-amps to microcontrollers and power management — across through-hole and surface-mount packages.

UFig. 05
MCULQFP-48
DIP-8
LQFP-48 and DIP-8 packages

Subcategories

  • Operational amplifiers
  • Timer ICs
  • Logic ICs
  • Interface ICs
  • Power-management ICs
  • Motor-driver ICs
  • Audio ICs
  • Microcontrollers
  • Memory ICs
  • Voltage regulators

Selection attributes

  • Function
  • Supply voltage
  • Package
  • Temperature grade

Representative examples

  • Op-amps · SOIC-8
  • Timer ICs · DIP-8
  • 8-bit microcontrollers
  • Driver and interface ICs

Please state the manufacturer, package and grade you require; equivalent devices from different manufacturers can differ in pinout or characteristics.

Enquire about integrated circuitsBack to category index

06Category

Index

Protection components

Components that protect circuits against overcurrent, overvoltage, transients and electrostatic discharge.

F · RVFig. 06
5 × 20 mm cartridge fuse

Subcategories

  • Fuses
  • Resettable PTC fuses
  • MOV varistors
  • NTC thermistors
  • PTC thermistors
  • TVS protection diodes
  • ESD protection devices
  • Surge-protection components

Selection attributes

  • Rated voltage
  • Current rating
  • Clamping voltage, where applicable
  • Package or size

Representative examples

  • 5 × 20 mm cartridge fuses
  • Resettable PTC fuses
  • MOV varistors

Protection parts are chosen against the circuit they protect, so include the operating voltage and current alongside the part details.

Enquire about protection componentsBack to category index

07Category

Index

Connectors & interconnects

Board, wire and I/O connectors that join assemblies together — from pin headers to USB and FFC/FPC.

J · PFig. 07
2 × 5 pin header and 2-way terminal block

Subcategories

  • Pin headers and sockets
  • Wire-to-board connectors
  • Wire-to-wire connectors
  • JST-style connectors
  • Terminal blocks
  • USB connectors
  • FFC/FPC connectors
  • DC power connectors
  • Board-to-board connectors

Selection attributes

  • Pin count
  • Pitch
  • Orientation
  • Number of rows
  • Mounting style
  • Gender or mating type

Representative examples

  • 2.54mm pin headers
  • 2-pin terminal blocks
  • Wire-to-board connectors
  • USB Type-C connectors

Matching a connector takes more than the pin count. Pitch, rows, orientation, mounting style and the mating half all need to agree — a part number or photo of the mating connector helps.

Enquire about connectorsConnectors: types and enquiry detailsBack to category index

08Category

Index

Power components & modules

Power conversion from individual regulator devices to assembled modules and finished power supplies.

PS · VRFig. 08
REGTO-220
TO-220 linear regulator

Subcategories

Individual components

  • Linear voltage regulators
  • Switching regulators
  • Power MOSFETs

Assemblies & modules

  • DC-DC converter modules
  • Rectifier assemblies
  • Power-management modules

Finished units

  • SMPS units

Selection attributes

  • Input voltage
  • Output voltage
  • Current rating
  • Power rating
  • Package or module dimensions

Representative examples

  • Linear voltage regulator · component
  • Buck converter · module
  • 5V SMPS · finished unit

This category spans individual components, assembled modules and finished power supplies. Please state which form you need — a regulator IC, a converter board and an enclosed supply are different requirements.

Enquire about power componentsBack to category index

09Category

Index

LEDs & display components

LEDs and display components for indication, illumination and simple numeric or status displays.

D · DSFig. 09
5 mm LED and seven-segment display

Subcategories

  • Indicator LEDs
  • SMD LEDs
  • High-power LEDs
  • RGB LEDs
  • LED modules
  • Seven-segment displays
  • LED display-related components
  • Display control components, where applicable

Selection attributes

  • Colour or wavelength
  • Forward voltage
  • Current
  • Package size
  • Display dimensions, where applicable

Representative examples

  • 0603 indicator LEDs
  • 5mm LEDs
  • RGB LEDs
  • Seven-segment displays

This category covers LEDs and display components. It does not imply every display technology or complete display systems.

Enquire about LEDs and displaysBack to category index

10Category

Index

Electromechanical components

Relays, switches, cooling fans and small motors that switch loads, take user input or move air within an assembly.

K · S · MFig. 10
RELAY12 VDC · SPDT
PCB relay · top view

Subcategories

Relays

  • Signal relays
  • Power relays

Switches

  • Tactile switches
  • Toggle and rocker switches
  • Slide and DIP switches

Fans & motors

  • Cooling fans
  • Small DC motors

Selection attributes

  • Coil voltage
  • Contact rating
  • Contact form
  • Actuator type
  • Mounting style
  • Fan size and airflow
  • Rated voltage

Representative examples

  • 12 VDC PCB relay · SPDT
  • 6 × 6 mm tactile switch
  • 80 mm DC cooling fan

For relays, state the coil voltage and the load the contacts must switch; for fans, the size, voltage and connector.

Enquire about electromechanical componentsBack to category index

11Category

Index

Sensors & timing components

Sensors that measure conditions such as temperature, light or magnetic field, and the crystals and oscillators that set a circuit’s timing.

Y · UFig. 11
16.000MHz
HC-49/S quartz crystal · side view

Subcategories

Sensors

  • Temperature sensors
  • Light sensors
  • Hall-effect and magnetic sensors
  • Other sensors, to specification

Timing

  • Quartz crystals
  • Crystal oscillators
  • Ceramic resonators

Selection attributes

  • Frequency
  • Frequency tolerance
  • Load capacitance
  • Output type
  • Measurement range
  • Supply voltage
  • Package

Representative examples

  • 16 MHz crystal · HC-49/S
  • 32.768 kHz watch crystal
  • SMD crystal oscillator
Enquire about sensors and timing componentsBack to category index

12Category

Index

Optoelectronic components

Optocouplers and related optoelectronic components that isolate, detect or transmit signals using light.

U · QFig. 12
DIP-4
DIP-4 optocoupler · top view

Subcategories

  • Optocouplers
  • Phototransistors
  • Photodiodes
  • Infrared emitters and receivers
  • Optical interrupters

Selection attributes

  • Isolation voltage
  • Current transfer ratio (CTR)
  • Output type
  • Number of channels
  • Wavelength
  • Package

Representative examples

  • 4-pin optocoupler · DIP-4
  • Infrared receiver module
Enquire about optoelectronic componentsBack to category index
Starting points

Find the right component.

A requirement can start from whatever information you have. The more complete it is, the easier the requirement is to clarify — though not every component can be identified or sourced.
  1. ATypical starting clarity: 4 of 4

    Complete manufacturer part number

    The full MPN, including suffixes for package, grade and packaging.

  2. BTypical starting clarity: 4 of 4

    BOM with designators and quantities

    Reference designators, part numbers and quantities for each line.

  3. CTypical starting clarity: 3 of 4

    Electrical specifications

    Values and ratings — for example capacitance, voltage and tolerance.

  4. DTypical starting clarity: 2 of 4

    Package or physical dimensions

    Footprint, package code or measured size, ideally with a photo.

  5. ETypical starting clarity: 2 of 4

    Incomplete or legacy part number

    A partial or older marking that needs clarification before review.

  6. FTypical starting clarity: 1 of 4

    Component description

    What the part does and where it fits, when the part number is unknown.

Typical starting clarity — more complete information is easier to clarify.

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