Optocouplers/Photocouplers

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Optocouplers for AC/DC Power Supplies

Isolation is critical to protect both an electronics system and the user from potentially hazardous voltages, or where a high level of electrical isolation between electronics systems is necessary. Digital isolators are known for their speed of data transmission, high level of magnetic immunity, and long life expectancy.

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Types of Optocouplers/Photocouplers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Vr - Reverse Voltage	Rise Time	Maximum Collector Current	Mounting Style	Package/Case	Number of Channels	Output Type
Transistor Output Optocouplers SO-8 PHOTO TRANS MOC205M onsemi 1: 0,525 € 3 962In Stock	Mfr. Part No. MOC205M Mouser Part No 512-MOC205M	onsemi	Transistor Output Optocouplers SO-8 PHOTO TRANS	Datasheet	3 962In Stock	0,525 € 0,36 € 0,304 € 0,265 € View 0,244 € 0,227 €	Min.: 1 Mult.: 1 Max.: 3 000	6 V	3.2 us	150 mA	SMD/SMT	SOIC-Narrow-8	1 Channel	NPN Phototransistor
Transistor Output Optocouplers SO-8 PHOTO TRANS MOC212M onsemi 1: 0,55 € 3 973In Stock	Mfr. Part No. MOC212M Mouser Part No 512-MOC212M	onsemi	Transistor Output Optocouplers SO-8 PHOTO TRANS	Datasheet	3 973In Stock	0,55 € 0,381 € 0,274 € 0,238 € View 0,217 € 0,208 € 0,20 € 0,191 € 0,182 €	Min.: 1 Mult.: 1	6 V	3.2 us	150 mA	SMD/SMT	SOIC-Narrow-8	1 Channel	NPN Phototransistor
Transistor Output Optocouplers 3550 Vrms 60mA 4N35-000E Broadcom / Avago 1: 0,602 € 3 736In Stock	Mfr. Part No. 4N35-000E Mouser Part No 630-4N35-000E	Broadcom / Avago	Transistor Output Optocouplers 3550 Vrms 60mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	3 736In Stock	0,602 € 0,319 € 0,292 € 0,249 € View 0,219 € 0,204 € 0,194 € 0,183 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>100% 4N35-X007 Vishay Semiconductors 1: 0,679 € 3 402In Stock	Mfr. Part No. 4N35-X007 Mouser Part No 782-4N35-X007	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100%	Datasheet	3 402In Stock	0,679 € 0,472 € 0,302 € 0,261 € View 0,239 € 0,232 € 0,224 € 0,212 €	Min.: 1 Mult.: 1	6 V		50 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR >50% CQY80N Vishay Semiconductors 1: 0,559 € 4 594In Stock	Mfr. Part No. CQY80N Mouser Part No 782-CQY80N	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR >50%	Datasheet	4 594In Stock	0,559 € 0,389 € 0,282 € 0,234 € View 0,218 € 0,182 € 0,173 € 0,167 €	Min.: 1 Mult.: 1	5 V	7 us	50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Optically Isolated Amplifiers Isolated Error Amp Optocoupler FOD2711A onsemi 1: 1,43 € 1 937In Stock	Mfr. Part No. FOD2711A Mouser Part No 512-FOD2711A	onsemi	Optically Isolated Amplifiers Isolated Error Amp Optocoupler Learn More about onsemi machine vision	Datasheet	1 937In Stock	1,43 € 0,877 € 0,695 € 0,622 € View 0,563 € 0,55 € 0,533 € 0,516 € Quote	Min.: 1 Mult.: 1			50 mA	Through Hole	PDIP-8	1 Channel	Phototransistor
Transistor Output Optocouplers Phototransistor H11D3SR2M onsemi 1: 1,08 € 2 142In Stock	Mfr. Part No. H11D3SR2M Mouser Part No 512-H11D3SR2M	onsemi	Transistor Output Optocouplers Phototransistor	Datasheet	2 142In Stock	Cut Tape 1,08 € 0,56 € 0,422 € 0,36 € Reel 0,34 € 0,332 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V		100 mA	SMD/SMT	SMD-DIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% CNY17F-2X006 Vishay Semiconductors 1: 0,611 € 4 421In Stock	Mfr. Part No. CNY17F-2X006 Mouser Part No 782-CNY17F-2X006	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	4 421In Stock	0,611 € 0,413 € 0,201 € 0,192 € View 0,191 € 0,19 €	Min.: 1 Mult.: 1	6 V	2 us	50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers SO-8 DUAL CH PHOTO MOCD207M onsemi 1: 0,826 € 48 177In Stock	Mfr. Part No. MOCD207M Mouser Part No 512-MOCD207M	onsemi	Transistor Output Optocouplers SO-8 DUAL CH PHOTO	Datasheet	48 177In Stock	0,826 € 0,642 € 0,515 € 0,429 € View 0,403 € 0,378 €	Min.: 1 Mult.: 1 Max.: 3 000	6 V	3.2 us	150 mA	SMD/SMT	SOIC-Narrow-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototx Coupler Quad ACPL-247-500E Broadcom / Avago 1: 1,93 € 40 422In Stock 46 000Expected 15/12/2026	Mfr. Part No. ACPL-247-500E Mouser Part No 630-ACPL-247-500E	Broadcom / Avago	Transistor Output Optocouplers Phototx Coupler Quad Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	40 422In Stock 46 000Expected 15/12/2026	Cut Tape 1,93 € 1,38 € 1,07 € 0,92 € Reel 0,83 € View 0,877 € 0,778 € 0,759 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	6 V	2 us	50 mA	SMD/SMT	SO-16	4 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200% ILD207T Vishay Semiconductors 1: 1,20 € 44 349In Stock 188 000On Order	Mfr. Part No. ILD207T Mouser Part No 782-ILD207T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200%	Datasheet	44 349In Stock 188 000On Order On Order Ship Dates Mfr. No: ILD207T Stock: 44 349 Can Dispatch Immediately On Order: 62 000 Expected 13/10/2026 126 000 Expected 16/10/2026 Factory Lead Time: 16 Weeks	Cut Tape 1,20 € 0,849 € 0,636 € 0,541 € Reel 0,484 € View 0,51 € 0,451 € 0,422 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	6 V	3 us	2.5 mA	SMD/SMT	SOIC-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out CTR 100-200% VO618A-3X017T Vishay Semiconductors 1: 0,421 € 45 922In Stock	Mfr. Part No. VO618A-3X017T Mouser Part No 78-VO618A-3X017T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out CTR 100-200% Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	45 922In Stock	Cut Tape 0,421 € 0,286 € 0,205 € 0,168 € Reel 0,148 € View 0,135 € 0,13 € 0,126 € 0,116 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	3 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% CNY65A Vishay Semiconductors 1: 2,20 € 8 410In Stock 11 550Expected 20/11/2026	Mfr. Part No. CNY65A Mouser Part No 782-CNY65A	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	8 410In Stock 11 550Expected 20/11/2026	2,20 € 1,47 € 1,21 € 1,08 € View 1,01 € 0,98 € 0,929 €	Min.: 1 Mult.: 1	5 V	2.4 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 50-300% CNY65EXI Vishay Semiconductors 1: 5,68 € 3 375In Stock	Mfr. Part No. CNY65EXI Mouser Part No 782-CNY65EXI	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 50-300% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	3 375In Stock	5,68 € 3,81 € 3,51 € 3,23 € View 3,22 € Quote	Min.: 1 Mult.: 1	5 V	2.4 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% IL207AT Vishay Semiconductors 1: 0,903 € 10 182In Stock	Mfr. Part No. IL207AT Mouser Part No 782-IL207AT	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%	Datasheet	10 182In Stock	Cut Tape 0,903 € 0,632 € 0,467 € 0,394 € Reel 0,348 € View 0,37 € 0,33 € 0,32 € 0,299 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	6 V		100 mA	SMD/SMT	SOIC-Narrow-8	1 Channel	NPN Phototransistor
Transistor Output Optocouplers RECOMMENDED ALT VO61 SFH610A-2 Vishay Semiconductors 1: 0,963 € 6 876In Stock	Mfr. Part No. SFH610A-2 Mouser Part No 782-SFH610A-2	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT VO61 Learn More about Vishay Semiconductors vishay sfh610a sfh6106	Datasheet	6 876In Stock	0,963 € 0,678 € 0,503 € 0,425 € View 0,399 € 0,377 € 0,376 € 0,337 € 0,323 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% SFH610A-4 Vishay Semiconductors 1: 0,963 € 5 961In Stock	Mfr. Part No. SFH610A-4 Mouser Part No 782-SFH610A-4	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% Learn More about Vishay Semiconductors vishay sfh610a sfh6106	Datasheet	5 961In Stock	0,963 € 0,678 € 0,503 € 0,425 € View 0,399 € 0,377 € 0,376 € 0,338 € 0,323 €	Min.: 1 Mult.: 1	6 V	4 us	100 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% SFH6186-5T Vishay Semiconductors 1: 0,791 € 6 950In Stock	Mfr. Part No. SFH6186-5T Mouser Part No 782-SFH6186-5T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	6 950In Stock	Cut Tape 0,791 € 0,554 € 0,408 € 0,342 € Reel 0,311 € View 0,289 € 0,275 € 0,269 € 0,267 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	3.5 us	100 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Quad CTR 50-300% SFH6916 Vishay Semiconductors 1: 2,37 € 4 923In Stock	Mfr. Part No. SFH6916 Mouser Part No 782-SFH6916	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Quad CTR 50-300%	Datasheet	4 923In Stock	2,37 € 1,57 € 1,32 € 1,20 € View 1,12 € 1,08 € Quote	Min.: 1 Mult.: 1	6 V	5.5 us	100 mA	SMD/SMT	SSOP-16	4 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler Photodarlington 4N32M onsemi 1: 0,826 € 7 995In Stock 5 000Expected 29/01/2027	Mfr. Part No. 4N32M Mouser Part No 512-4N32M	onsemi	Transistor Output Optocouplers Optocoupler Photodarlington	Datasheet	7 995In Stock 5 000Expected 29/01/2027	0,826 € 0,582 € 0,423 € 0,347 € 0,323 €	Min.: 1 Mult.: 1 Max.: 1 000	3 V		150 mA	Through Hole	PDIP-6	1 Channel	Photodarlington
Transistor Output Optocouplers PHOTO DARL 4N33SR2M onsemi 1: 0,671 € 8 475In Stock 21 000On Order	Mfr. Part No. 4N33SR2M Mouser Part No 512-4N33SR2M	onsemi	Transistor Output Optocouplers PHOTO DARL	Datasheet	8 475In Stock 21 000On Order On Order Ship Dates Mfr. No: 4N33SR2M Stock: 8 475 Can Dispatch Immediately On Order: 9 000 Expected 15/12/2026 12 000 Expected 03/09/2027 Factory Lead Time: 19 Weeks	Cut Tape 0,671 € 0,497 € 0,39 € 0,34 € Reel 0,317 € 0,299 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2 000 : 1 000	3 V		150 mA	SMD/SMT	SMD-DIP-6	1 Channel	Photodarlington
Transistor Output Optocouplers Optocoupler Phototransistor 4N35SR2VM onsemi 1: 0,654 € 6 645In Stock	Mfr. Part No. 4N35SR2VM Mouser Part No 512-4N35SR2VM	onsemi	Transistor Output Optocouplers Optocoupler Phototransistor	Datasheet	6 645In Stock	Cut Tape 0,654 € 0,459 € 0,341 € 0,303 € Reel 0,289 € View 0,273 € 0,224 € 0,22 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V			SMD/SMT	SMD-DIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4 FOD817AS onsemi 1: 0,396 € 20 251In Stock	Mfr. Part No. FOD817AS Mouser Part No 512-FOD817AS	onsemi	Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4	Datasheet	20 251In Stock	0,396 € 0,271 € 0,194 € 0,173 € View 0,16 € 0,144 €	Min.: 1 Mult.: 1 Max.: 2 000	6 V	18 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4 FOD817ASD onsemi 1: 0,447 € 49 222In Stock	Mfr. Part No. FOD817ASD Mouser Part No 512-FOD817ASD	onsemi	Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4	Datasheet	49 222In Stock	Cut Tape 0,447 € 0,30 € 0,219 € 0,183 € Reel 0,144 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 1 400 : 1 000	6 V	18 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Output FOD817CSD onsemi 1: 0,378 € 21 801In Stock	Mfr. Part No. FOD817CSD Mouser Part No 512-FOD817CSD	onsemi	Transistor Output Optocouplers Phototransistor Output	Datasheet	21 801In Stock	Cut Tape 0,378 € 0,259 € 0,185 € 0,151 € Reel 0,134 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 1 000 : 1 000	6 V	18 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor