All Products
- Electronics Components, Power & Connectors
- Batteries
  Batteries
  - Automotive Battery Maintenance(7)
  - Battery Chargers & Battery Accessories(532)
  - Non-Rechargeable Batteries(278)
  - Rechargeable Batteries(606)
- Connectors
  Connectors
  - Audio & Video Connectors(1220)
  - Circular Connectors(15425)
  - Connector Tools & Accessories(3715)
  - General Purpose Rectangular Connectors(176)
  - IC Sockets(1074)
  - Magnetic Connectors & Accessories(21)
  - Mains & IEC Connectors & Accessories(3879)
  - Network & Telecom Connectors(2385)
  - PCB Connectors(44011)
  - Power Connectors(10392)
  - RF & Coaxial Connectors(4675)
  - Terminal Blocks & DIN Rail Terminals(8496)
  - Terminals & Splices(5985)
  - USB, D-sub & Computing Connectors(7603)
- Displays & Optoelectronics
  Displays & Optoelectronics
  - Displays & Industrial Monitors(2109)
  - Fibre Optic Components(154)
  - IR Emitters & Receivers(240)
  - Laser Modules & Components(147)
  - LED Indicators & Accessories(671)
  - LED Lighting System Components(5419)
  - LEDs & LED Accessories(9509)
  - Optocouplers, Photodetectors & Photointerrupters(5761)
- Passive Components
  Passive Components
  - Capacitors(50847)
  - Ferrite Cores(2263)
  - Fixed Resistors(48910)
  - Inductors(16117)
  - Passive Filters(2198)
  - Rotary Encoders(371)
  - Sounder, Buzzer & Microphone Components(582)
  - Surge Protection Components(1008)
  - Variable Resistors(8924)
- PCB Prototyping
  PCB Prototyping
  - EMI & RFI Shielding Materials(263)
  - PCB Cleaning(14)
  - PCB Cutting, Punching, Forming & Drilling(122)
  - PCB Etching & Developing(53)
  - PCB Handling(147)
  - PCB Spacers, Pillars & Supports(1016)
  - Printed Circuit Boards - PCB(914)
- Power Supplies & Transformers
  Power Supplies & Transformers
  - DC-AC Power Inverters(140)
  - DC-DC Converters(15721)
  - Portable Generators & Accessories(10)
  - Power Conditioners(37)
  - Power over Ethernet - PoE(40)
  - Power Supplies - PSUs(8229)
  - Renewable Energy(94)
  - Transformers(3937)
  - Uninterruptible Power Supplies - UPS(297)
- Semiconductors
  Semiconductors
  - Amplifiers & Comparators(10043)
  - Audio Processor Circuits(53)
  - Chip Programmers & UV Erasers(89)
  - Clocks, Timing & Frequency Control Circuits(1416)
  - Crystals, Oscillators & Resonators(4909)
  - Data Converters(5321)
  - Discrete Semiconductors(43268)
  - Display Drivers & Controllers(621)
  - Interface ICs(7314)
  - Memory Chips(2290)
  - Power Management ICs(23513)
  - Processors & Microcontrollers(10095)
  - Programmable Logic Circuits(455)
  - Radio Frequency & Microwave Circuits(418)
  - Semiconductor Development Kits(4369)
  - Sensor ICs(1912)
  - Standard Logic(7995)
  - Video Processor Circuits(121)
- Electrical, Automation & Cables
- Automation & Control Gear
  Automation & Control Gear
  - Circuit Protection & Circuit Breakers(5841)
  - Contactors(6871)
  - Control Relays(1270)
  - Electric Motors, Motor Controllers & Peripherals(5735)
  - Engineering Services(2)
  - Fluid Control Systems(1331)
  - Industrial Push Buttons, Pilot Lights & Control Stations(6014)
  - Industrial Switches(4614)
  - Machine Guarding & Safety(3541)
  - Panel Meters & Components(3401)
  - PLCs, HMI & Data Acquisition(3387)
  - Sensors & Transducers(13379)
  - Solenoids(224)
  - Sounders & Beacons(2795)
  - Temperature Control & Process Heating(1537)
  - Timers & Counters(2362)
- Cables & Wires
  Cables & Wires
  - Audio Video Cable(657)
  - Cable Accessories, Ties & Tools(8616)
  - Cable Conduit, Trunking & Routing(2946)
  - Cable Glands, Strain Relief & Grommets(1940)
  - Coaxial Cable(1513)
  - Computer Cable Assemblies(1763)
  - Electrical Power & Industrial Cable(6889)
  - Network & Communication Cable(2339)
  - Ribbon & Flat Cable(1409)
  - Wire & Single Core Cable(4114)
  - Wire to Board Cable Assemblies(885)
- Enclosures, Storage & Material Handling
  Enclosures, Storage & Material Handling
  - 19-Inch Racking(3463)
  - Brackets(33)
  - Cabinet Hardware(604)
  - Door Hardware(951)
  - Enclosures(7827)
  - Knobs, Equipment Handles & Hand Wheels(739)
  - Ladders & Steps(157)
  - Material Lifting(419)
  - Material Transport - Castors & Wheels(1565)
  - Material Transport - Conveyor Components(341)
  - Material Transport - Drum Transport & Stands(3)
  - Material Transport - Load Restraint(15)
  - Material Transport - Trucks & Trolleys(138)
  - Structural Systems & Handrails(1071)
  - Transit & Equipment Cases(408)
  - Workshop Equipment & Storage(1244)
- Fuses, Sockets & Circuit Breakers
  Fuses, Sockets & Circuit Breakers
  - Circuit Breakers(2409)
  - Consumer Units & Accessories(124)
  - Electrical Installation Accessories(1257)
  - Fuse Holders(1245)
  - Fuse Tools & Testing(18)
  - Fuses(4759)
  - Fuses - PCB(2553)
  - Lightning Protection(28)
- HVAC, Fans & Thermal Management
  HVAC, Fans & Thermal Management
  - Air Conditioning & Climate Control Units(167)
  - Air Filters & Accessories(384)
  - Air Management Accessories(81)
  - Electronics Heating & Cooling(1984)
  - Electronics Humidity & Pressure Control Devices(28)
  - Fan Parts & Accessories(313)
  - Fans(2412)
  - HVAC Ducting(7)
  - HVAC Sensors & Controllers(133)
- Lighting
  Lighting
  - Emergency Lighting & Safety Lighting(155)
  - Fluorescent Lamps & Tubes(544)
  - Halogen Lamps(304)
  - HID Lamps(118)
  - Incandescent Light Bulbs(469)
  - Indicators & Indicator Components(3828)
  - Infrared Lamps(53)
  - LED Lamps(1375)
  - Light Fittings & Luminaires(1339)
  - Lighting Components & Accessories(792)
  - Neon Lamps(136)
  - Smart Lighting(18)
  - Torches & Handlamps(414)
  - UV Lamps(17)
- Relays
  Relays
  - General Purpose Relay Accessories(722)
  - General Purpose Relays(5502)
  - Interface Relay Modules & Accessories(1173)
  - Reed Relays(264)
  - Solid State Relays & Accessories(2127)
- Robots & Robot Parts
  Robots & Robot Parts
  - Robot Construction Kits(22)
  - Robot Parts(18)
  - Robots(34)
- Switches
  Switches
  - Detector Switches(122)
  - DIP & SIP Switches(902)
  - Foot Switches & Accessories(138)
  - Hall Effect Switches(20)
  - Joystick Switches & Accessories(174)
  - Key Switches & Accessories(263)
  - Keyboard Switches & Accessories(86)
  - Keypads & Accessories(176)
  - Microswitches & Accessories(2187)
  - Modular Switches & Accessories(433)
  - Piezo Switches(166)
  - Push Button Switches & Accessories(5899)
  - Reed Switches & Accessories(142)
  - Rocker Switches & Accessories(1695)
  - Rotary Switches & Accessories(639)
  - Slide Switches & Accessories(530)
  - Switch Development Kits(8)
  - Switch Mounting Accessories(4)
  - Tactile Switches & Accessories(1767)
  - Thumbwheel Switches & Accessories(45)
  - Toggle Switches & Accessories(1779)
  - Touch Switches & Accessories(232)
- Mechanical Products & Tools
- Abrasives & Engineering Materials
  Abrasives & Engineering Materials
  - Aluminium Tubes, Sheets & Angles(161)
  - Brass Tubes, Sheets & Rods(31)
  - Bronze & Gunmetal Tubes & Rods(31)
  - Carbon Fibre & Felt Sheets(8)
  - Ceramic Rods, Sheets & Beads(29)
  - Copper Rods, Sheets & Bars(22)
  - Insulation Materials(127)
  - Machine Sanding & Grinding(619)
  - Manual Sanding & Sharpening(206)
  - Mild Steel Tube, Sheets & Angles(159)
  - Plastic Rods, Sheets & Tubes(622)
  - Polishing & Finishing(147)
  - Rubber Sheets(65)
  - Shim Stock(90)
  - Stainless Steel Tubes, Sheets & Angles(137)
- Adhesives, Sealants & Tapes
  Adhesives, Sealants & Tapes
  - Adhesive, Sealant & Tape Dispensers(120)
  - Adhesives & Glues(354)
  - Hot Melt Glue Guns & Accessories(48)
  - Sealants(186)
  - Tapes(1222)
- Facilities Cleaning & Maintenance
  Facilities Cleaning & Maintenance
  - Brooms, Mops, Buckets & Dust Pans(249)
  - Car Care & Polishes(1)
  - Cleaners, Degreasers & Removers(92)
  - Cleaning Brushes(203)
  - Cleaning Wipes & Cloths(278)
  - Desktop Cleaning Equipment(27)
  - Electronics Cleaners & Protective Coatings(343)
  - Facility Maintenance Equipment(98)
  - Floor Scrubbers & Accessories(10)
  - Greases, Oils & Lubricants(456)
  - Paint & Painting Supplies(300)
  - Traffic Management & Crowd Control(339)
  - Vacuum Cleaners & Carpet Cleaners & Accessories(120)
  - Washroom Equipment & Supplies(212)
  - Waste Removal Bins & Accessories(106)
- Fasteners & Fixings
  Fasteners & Fixings
  - Channel Support Systems(151)
  - Clips(841)
  - Fastener Kits(99)
  - Girder Fixings(103)
  - Hooks & Eyes(16)
  - Levelling & Vibration Control(1462)
  - Magnets & Magnetic Strips(318)
  - Nails(93)
  - Nuts & Washers(599)
  - Pins, Keys & Retaining(151)
  - Rivets & Riveting Tools(164)
  - Screws & Bolts(3249)
  - Sheet Metal & Panel Fasteners(161)
  - Spacers & Standoffs(540)
  - Threaded Rods & Studs(157)
  - Wall Plugs, Anchors, Fixings & Kits(487)
  - Wire Rope Suspension Systems(6)
- Plumbing & Pipeline
  Plumbing & Pipeline
  - Central Heating & Process Pumps(353)
  - Pipe & Tank Insulation(30)
  - Pipe Fittings & Accessories(1498)
  - Pipe Sealants & Cements(5)
  - Pipes, Tubing, and Hoses(1769)
  - Pipework Repair & Maintenance Supplies(80)
  - Radiator Valves & Controllers(16)
  - Sinks & Toilets(26)
  - Solar Thermal & Electric Water Heating(13)
  - Valves & Taps(1849)
  - Water Meters, Thermometers & Pressure Gauges(33)
  - Water Supply Filters(18)
- Pneumatics, Hydraulics & Power Transmission
  Pneumatics, Hydraulics & Power Transmission
  - Electric Actuators(128)
  - Hydraulic & Pneumatic Tools(12)
  - Hydraulic Adaptors, Fittings & Couplings(407)
  - Hydraulic Cylinders, Pumps & Power Units(128)
  - Hydraulic Fluids & Filtration(238)
  - Hydraulic Instrumentation & Switches(157)
  - Hydraulic Tubing & Hose(216)
  - Hydraulic Valves & Manifolds(254)
  - Pneumatic & Hydraulic Pressure Gauges(10)
  - Pneumatic Adaptors, Fittings & Couplings(4706)
  - Pneumatic Air Compressors, Boosters & Vacuum Pumps(130)
  - Pneumatic Air Preparation(1200)
  - Pneumatic Counters, Logic Controllers & Timers(48)
  - Pneumatic Cylinders & Actuators(3226)
  - Pneumatic Instrumentation & Switches(723)
  - Pneumatic Tubing & Air Hose(838)
  - Pneumatic Valves & Manifolds(2207)
  - Power Transmission - Linear Bearings, Housings & Blocks(330)
  - Power Transmission - Bearing Tools(5)
  - Power Transmission - Belts(1199)
  - Power Transmission - Bushes & Collars(508)
  - Power Transmission - Clutches & Brakes(51)
- Tools
  Tools
  - Air Power Tools(84)
  - Cable & Connector Tools(87)
  - Chalk Lines & Refills(11)
  - Clamps & Vices(333)
  - Corded Power Tools(216)
  - Cordless Power Tools(232)
  - Deburring & Finishing Tools(230)
  - Hammer, Punches & Chisels(491)
  - Knives, Scissors & Multi-tools(522)
  - Machine Tools & Accessories(255)
  - Magnetisers(5)
  - Manual Grease Guns & Accessories(16)
  - Manual Saws & Planers(159)
  - Milling Cutting Tools(274)
  - Mini Power Tools(84)
  - Pliers(1102)
  - Plumbing Tools & Pipe Benders(21)
  - Positioners & Retrieval Tools(615)
  - Power Grinders(45)
  - Power Tool Accessories & Drill Bits(2272)
  - Pullers & Extraction Tools(155)
  - Screwdrivers & Screw Extractors(3537)
  - Shovels & Trowels(43)
  - Soldering & Desoldering Tools(2380)
  - Spanners & Sockets(4928)
  - Threading Tools(885)
  - Tool Kits & Tool Storage(870)
  - Turning & Boring Tools(226)
  - Vehicle & Tyre Tools(27)
  - Welding & Brazing Tools(191)
- IT, Test & Safety Equipment
- Computing & Peripherals
  Computing & Peripherals
  - 3D Printing & Scanning(497)
  - Audio & Video(137)
  - Barcode Readers & Accessories(41)
  - Data Storage & Memory(1175)
  - Embedded Systems(103)
  - Keyboards & Mice(270)
  - KVM, Splitters & Extenders(318)
  - Mobile Computing(65)
  - Networking & Connectivity(696)
  - Optical Drives & Media(22)
  - Photography & Imaging(82)
  - Printers & Printing Supplies(1078)
  - Software(33)
  - Telecommunications(315)
  - Wireless Components & Modules(1268)
- Office Supplies
  Office Supplies
  - Audio Equipment(37)
  - Books & Training Materials(60)
  - Clocks, Timers & Stopwatches(42)
  - Food & Beverage Preparation(9)
  - Furniture & Desk Accessories(131)
  - Labelling, Binding & Laminating(884)
  - Microphones & Headphones(71)
  - Notice Boards, Wall Planners & Posters(35)
  - Package Strapping, Sealing & Opening(92)
  - Paper Supplies(93)
  - Presentation Tools(16)
  - Speakers & Components(196)
  - Video & Visuals Equipment(24)
  - White Boards & White Board Accessories(42)
  - Writing & Drawing Instruments & Accessories(128)
- Safety, Security, ESD Control & Clean Room
  Safety, Security, ESD Control & Clean Room
  - Floor Mats, Markings & Accessories(235)
  - Impact Protection(19)
  - Keys, Safes, Locks & Lockouts(665)
  - Personal Protection - Welding(44)
  - Personal Protection Clothing & Footwear(3878)
  - Personal Protection Equipment(882)
  - Safety & Security Signs & Accessories(635)
  - Security Alarms, Detectors & Accessories(263)
  - Security Identification Badges & Accessories(11)
  - Spill Clean Up(187)
- Test & Measurement
  Test & Measurement
  - Air & Gas Measurement(265)
  - Bench Power and Power Measurement(1538)
  - Calibrators(185)
  - Data Acquisition & Logging(422)
  - Data Cable & Network Test Equipment(240)
  - Electrical Installation Testing & Accessories(405)
  - Electrical Test Equipment(671)
  - Electronic Component Testing(175)
  - Environmental Measurement(125)
  - Laboratory Equipment(162)
  - Level & Angular Measurement(241)
  - Light & Electromagnetic Radiation Measurement(58)
  - Linear Measurement(774)
  - Liquid Analysis(135)
  - Magnification(394)
  - Multimeters & Accessories(1020)
  - Oscilloscopes & Accessories(1809)
  - Portable Appliance Testers & Accessories(215)
  - Power Measurement(109)
  - Pressure Measurement(800)
  - RF Test Equipment & Accessories(59)
  - Rotational Measurement(95)
  - Signal Generators & Analysers(330)
  - Sound & Vibration Measurement(74)
  - Temperature Measurement(848)
  - Test Connectors(2141)
  - Test Leads(878)
  - Weight & Force Measurement(619)
  - Workshop Inspection & Accessories(129)
Our Brands
- Top Brands
- All Brands
- Linecard
New Products
My Account
Our Services

Optocouplers, Photodetectors & Photointerrupters

RS offers an extensive range of optocouplers (opto-isolators), photodetectors & photointerrupter modules. The range features leading brands such as, Avago Technologies, Fairchild & Vishay.

Low Cost LED Indicators

Choose from 22mm or 16mm LED indicators in red, blue, green, yellow or white - with the option of integral test circuit or warning buzzer

Choose your LED

High Performance eldoLED LED Drivers

Cover your LED driving needs with these drivers featuring DALI remote control, natural dimming and a full colour version plus the DUALdrive with two separately DALI controlled LED drivers.

See the range

Second generation CREE LEDs

Take advantage of higher performance, greater efficiency and longer life with these LEDs. The CXA2 COB offers extended lifetimes and the XHP50.2 delivers the highest lumen efficiency in its class.

View the range

Top Brands Optocouplers, Photodetectors & Photointerrupters

Isocom

Vishay

ON Semiconductor

Analog Devices