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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Infrared Emitters WL-SISW SMT LED InfraRed Sideview 15404094BA470 Wurth Elektronik 1: £0.638 3,653In Stock	Mfr. Part No. 15404094BA470 Mouser Part No 710-15404094BA470	Wurth Elektronik	Infrared Emitters WL-SISW SMT LED InfraRed Sideview Learn More about Wurth Elektronik wurth ir led photodetectors	Datasheet	3,653In Stock	Cut Tape £0.638 £0.547 £0.482 £0.47 View Reel £0.334 £0.431 £0.386 £0.381 £0.334 £0.334 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Transistor Output Optocouplers 3000Vrms 50% CTR ACPL-217-50DE Broadcom / Avago 1: £0.526 58,215In Stock	Mfr. Part No. ACPL-217-50DE Mouser Part No 630-ACPL-217-50DE	Broadcom / Avago	Transistor Output Optocouplers 3000Vrms 50% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	58,215In Stock	Cut Tape £0.526 £0.362 £0.264 £0.219 Reel £0.179 View £0.204 £0.17 £0.162 £0.155 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers 5000 Vrms 50% CTR ACPL-827-00CE Broadcom / Avago 1: £0.788 6,897In Stock	Mfr. Part No. ACPL-827-00CE Mouser Part No 630-ACPL-827-00CE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	6,897In Stock	£0.788 £0.443 £0.406 £0.341 View £0.303 £0.287 £0.272 £0.258	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 50% CTR ACPL-827-06CE Broadcom / Avago 1: £0.849 13,460In Stock	Mfr. Part No. ACPL-827-06CE Mouser Part No 630-ACPL-827-06CE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	13,460In Stock	£0.849 £0.478 £0.44 £0.372 View £0.33 £0.32 £0.28 £0.279	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 50mA HCPL-817-36AE Broadcom / Avago 1: £0.503 27,566In Stock	Mfr. Part No. HCPL-817-36AE Mouser Part No 630-HCPL-817-36AE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	27,566In Stock	£0.503 £0.34 £0.198 £0.18 View £0.175 £0.171 £0.158 £0.148 £0.137	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 50mA HCPL-817-560E Broadcom / Avago 1: £0.458 11,805In Stock	Mfr. Part No. HCPL-817-560E Mouser Part No 630-HCPL-817-560E	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	11,805In Stock	Cut Tape £0.458 £0.313 £0.227 £0.188 Reel £0.172 View £0.148 £0.142 £0.14 £0.139 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200% SFH6286-2X001T Vishay Semiconductors 1: £1.07 4,234In Stock	Mfr. Part No. SFH6286-2X001T Mouser Part No 782-SFH6286-2X001T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%	Datasheet	4,234In Stock	Cut Tape £1.07 £0.751 £0.555 £0.482 Reel £0.423 View £0.393 £0.382 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Photodiodes Gullwing 780-1050nm +/-65 deg VBPW34FAS Vishay Semiconductors 1: £0.917 23,266In Stock	Mfr. Part No. VBPW34FAS Mouser Part No 782-VBPW34FAS	Vishay Semiconductors	Photodiodes Gullwing 780-1050nm +/-65 deg Learn More about Vishay Semiconductors vishay optical sensors	Datasheet	23,266In Stock	Cut Tape £0.917 £0.545 £0.426 £0.375 Reel £0.334 View £0.315 £0.305 £0.292 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Infrared Emitters IR Emitter HSDL-4250 LITEON 1: £0.518 7,623In Stock	Mfr. Part No. HSDL-4250 Mouser Part No 859-HSDL-4250	LITEON	Infrared Emitters IR Emitter Learn More about LITEON ir leds	Datasheet	7,623In Stock	£0.518 £0.36 £0.261 £0.217 View £0.202 £0.178 £0.165 £0.155	Min.: 1 Mult.: 1
Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler FOD817SD onsemi 1: £0.436 11,846In Stock	Mfr. Part No. FOD817SD Mouser Part No 512-FOD817SD	onsemi	Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler	Datasheet	11,846In Stock	Cut Tape £0.436 £0.298 £0.212 £0.175 Reel £0.148 View £0.142 £0.136 £0.13 £0.12 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr HCPL0639 onsemi 1: £2.06 2,157In Stock	Mfr. Part No. HCPL0639 Mouser Part No 512-HCPL0639	onsemi	High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr	Datasheet	2,157In Stock	£2.06 £1.48 £1.14 £0.995 View £0.943 £0.89 £0.863 £0.856	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 20% CTR ACPL-844-300E Broadcom / Avago 1: £1.54 13,942In Stock	Mfr. Part No. ACPL-844-300E Mouser Part No 630-ACPL-844-300E	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 20% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	13,942In Stock	£1.54 £1.06 £0.856 £0.746 View £0.696 £0.668 £0.615	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 50mA HCPL-817-00AE Broadcom / Avago 1: £0.383 16,628In Stock	Mfr. Part No. HCPL-817-00AE Mouser Part No 630-HCPL-817-00AE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	16,628In Stock	£0.383 £0.264 £0.189 £0.155 View £0.134 £0.124 £0.12 £0.11	Min.: 1 Mult.: 1
Single Colour LEDs Ambr 616nm 18,000mcd 2.25V Gull Wing VLDK1235G Vishay Semiconductors 1: £0.428 17,851In Stock	Mfr. Part No. VLDK1235G Mouser Part No 78-VLDK1235G	Vishay Semiconductors	Single Colour LEDs Ambr 616nm 18,000mcd 2.25V Gull Wing Learn More about Vishay Semiconductors vishay vld leds	Datasheet	17,851In Stock	Cut Tape £0.428 £0.293 £0.212 £0.175 Reel £0.126 View £0.153 £0.12 £0.117 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Transistor Output Optocouplers Phototransistor Out AC-In CTR>50-300% SFH691AT Vishay Semiconductors 1: £0.653 5,198In Stock	Mfr. Part No. SFH691AT Mouser Part No 782-SFH691AT	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out AC-In CTR>50-300%	Datasheet	5,198In Stock	Cut Tape £0.653 £0.434 £0.351 £0.313 Reel £0.292 View £0.303 £0.283 £0.273 £0.272 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-D LITEON 1: £0.33 28,026In Stock	Mfr. Part No. LTV-817S-D Mouser Part No 859-LTV-817S-D	LITEON	Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	28,026In Stock	£0.33 £0.224 £0.16 £0.127 View £0.113 £0.11 £0.104 £0.095	Min.: 1 Mult.: 1
Transistor Output Optocouplers Hi Col-Emit Dar 1-Ch PS2733-1-A Renesas Electronics 1: £2.85 903In Stock NRND	Mfr. Part No. PS2733-1-A Mouser Part No 551-PS2733-1-A NRND	Renesas Electronics	Transistor Output Optocouplers Hi Col-Emit Dar 1-Ch	Datasheet	903In Stock	£2.85 £1.58 £1.37 £1.28 £1.24	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 50% CTR ACPL-847-00GE Broadcom / Avago 1: £1.36 5,527In Stock	Mfr. Part No. ACPL-847-00GE Mouser Part No 630-ACPL-847-00GE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	5,527In Stock	£1.36 £0.863 £0.736 £0.632 View £0.569 £0.551 £0.518	Min.: 1 Mult.: 1
Transistor Output Optocouplers 3750 Vrms 20% CTR HCPL-354-00AE Broadcom / Avago 1: £0.578 48,914In Stock 53,500Expected 30/10/2026	Mfr. Part No. HCPL-354-00AE Mouser Part No 630-HCPL-354-00AE	Broadcom / Avago	Transistor Output Optocouplers 3750 Vrms 20% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	48,914In Stock 53,500Expected 30/10/2026	Cut Tape £0.578 £0.40 £0.292 £0.244 Reel £0.207 View £0.228 £0.196 £0.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers 5000 Vrms 50mA HCPL-817-30CE Broadcom / Avago 1: £0.458 23,176In Stock	Mfr. Part No. HCPL-817-30CE Mouser Part No 630-HCPL-817-30CE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	23,176In Stock	£0.458 £0.313 £0.226 £0.187 View £0.163 £0.151 £0.143 £0.133	Min.: 1 Mult.: 1
Transistor Output Optocouplers 5000 Vrms 50mA HCPL-817-30DE Broadcom / Avago 1: £0.428 25,955In Stock	Mfr. Part No. HCPL-817-30DE Mouser Part No 630-HCPL-817-30DE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	25,955In Stock	£0.428 £0.296 £0.158 £0.148 View £0.136 £0.134 £0.133 £0.114	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4, VDE VOT8024AB-V Vishay Semiconductors 1: £0.952 4,796In Stock	Mfr. Part No. VOT8024AB-V Mouser Part No 78-VOT8024AB-V	Vishay Semiconductors	Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4, VDE Learn More about Vishay Semiconductors vishay vot8024ax vot8121ax optocouplers	Datasheet	4,796In Stock	£0.952 £0.667 £0.481 £0.406 View £0.382 £0.358 £0.322 £0.303	Min.: 1 Mult.: 1
Transistor Output Optocouplers Phototransistor Out Single CTR 63-200% SFH6286-2 Vishay Semiconductors 1: £0.978 8,796In Stock	Mfr. Part No. SFH6286-2 Mouser Part No 782-SFH6286-2	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-200%	Datasheet	8,796In Stock	£0.978 £0.654 £0.503 £0.424 View £0.396 £0.388 £0.335	Min.: 1 Mult.: 1
Transistor Output Optocouplers PC817XNNSZ1B Sharp Microelectronics 1: £0.54 8,992In Stock	Mfr. Part No. PC817XNNSZ1B Mouser Part No 852-PC817XNNSZ1B	Sharp Microelectronics	Transistor Output Optocouplers	Datasheet	8,992In Stock	£0.54 £0.366 £0.259 £0.214 View £0.196 £0.184 £0.171 £0.159 £0.148	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers 10mA Ift 600V nonZC Phototriac 3Kpcs S2S3A00F Sharp Microelectronics 1: £1.26 4,168In Stock	Mfr. Part No. S2S3A00F Mouser Part No 852-S2S3A00F	Sharp Microelectronics	Triac & SCR Output Optocouplers 10mA Ift 600V nonZC Phototriac 3Kpcs	Datasheet	4,168In Stock	Cut Tape £1.26 £0.89 £0.673 £0.576 Reel £0.476 View £0.56 £0.409 MouseReel Available	Min.: 1 Mult.: 1 : 3,000