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 (USD) 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 Phototransistor Out TCMT1102 Vishay Semiconductors 1: $0.63 119,790In Stock	Mfr. Part # TCMT1102 Mouser Part # 782-TCMT1102	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out	Datasheet	119,790In Stock	Cut Tape $0.63 $0.432 $0.306 $0.259 Reel $0.212 View $0.235 $0.204 $0.185 $0.179 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6 V	5.5 us	50 mA	SMD/SMT	SOP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% Vishay Semiconductors SFH610A-4 SFH610A-4 Vishay Semiconductors 1: $1.12 5,931In Stock	Mfr. Part # SFH610A-4 Mouser Part # 782-SFH610A-4	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% Learn More about Vishay Semiconductors vishay sfh610a sfh6106	Datasheet	5,931In Stock	$1.12 $0.788 $0.585 $0.474 View $0.448 $0.422 $0.379 $0.375	Min.: 1 Mult.: 1	6 V	4 us	100 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125% Vishay Semiconductors ILD615-2 ILD615-2 Vishay Semiconductors 1: $1.71 4,307In Stock	Mfr. Part # ILD615-2 Mouser Part # 782-ILD615-2	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125%	Datasheet	4,307In Stock	$1.71 $1.05 $0.92 $0.773 View $0.731 $0.657 $0.649	Min.: 1 Mult.: 1	6 V	2.8 us	50 mA	Through Hole	PDIP-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Hi Volt Phototrans MOC8204M onsemi 1: $0.93 17,986In Stock	Mfr. Part # MOC8204M Mouser Part # 512-MOC8204M	onsemi	Transistor Output Optocouplers Hi Volt Phototrans	Datasheet	17,986In Stock	$0.93 $0.602 $0.482 $0.417 View $0.362 $0.344 $0.329	Min.: 1 Mult.: 1	6 V		100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% SFH6186-2 Vishay Semiconductors 1: $0.88 11,049In Stock	Mfr. Part # SFH6186-2 Mouser Part # 782-SFH6186-2	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	11,049In Stock	$0.88 $0.615 $0.45 $0.378 View $0.347 $0.323 $0.297 $0.296	Min.: 1 Mult.: 1	6 V	3.5 us	100 mA	Through Hole	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers RECOMMENDED ALT VO61 Vishay Semiconductors SFH617A-4X016 SFH617A-4X016 Vishay Semiconductors 1: $1.08 6,533In Stock	Mfr. Part # SFH617A-4X016 Mouser Part # 782-SFH617A-4X016	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT VO61	Datasheet	6,533In Stock	$1.08 $0.758 $0.547 $0.472 View $0.446 $0.422 $0.369 $0.36	Min.: 1 Mult.: 1	6 V	4.6 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>200-400% Vishay Semiconductors SFH690DT SFH690DT Vishay Semiconductors 1: $0.83 7,565In Stock	Mfr. Part # SFH690DT Mouser Part # 782-SFH690DT	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>200-400%	Datasheet	7,565In Stock	Cut Tape $0.83 $0.576 $0.421 $0.352 Reel $0.31 View $0.33 $0.286 $0.264 $0.263 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	6 V	3 us	100 mA	SMD/SMT	SOP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers RECOMMENDED ALT SFH6 Vishay Semiconductors VO617A-3X017T VO617A-3X017T Vishay Semiconductors 1: $0.44 95,387In Stock	Mfr. Part # VO617A-3X017T Mouser Part # 78-VO617A-3X017T	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT SFH6 Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	95,387In Stock	Cut Tape $0.44 $0.302 $0.216 $0.177 Reel $0.163 View $0.146 $0.136 $0.113 $0.109 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	6 V	4.6 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 40-80% Vishay Semiconductors SFH615A-1 SFH615A-1 Vishay Semiconductors 1: $0.55 20,432In Stock	Mfr. Part # SFH615A-1 Mouser Part # 782-SFH615A-1	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%	Datasheet	20,432In Stock	$0.55 $0.41 $0.328 $0.259 View $0.257 $0.256	Min.: 1 Mult.: 1	6 V	2 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PHOTO TRANS 4N25SM onsemi 1: $0.79 50,579In Stock	Mfr. Part # 4N25SM Mouser Part # 512-4N25SM	onsemi	Transistor Output Optocouplers PHOTO TRANS	Datasheet	50,579In Stock	$0.79 $0.437 $0.40 $0.334 View $0.311 $0.30 $0.285 $0.266 $0.252	Min.: 1 Mult.: 1	6 V			SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers SO-8 DUAL PH TRAN MCT62S onsemi 1: $0.96 11,420In Stock	Mfr. Part # MCT62S Mouser Part # 512-MCT62S	onsemi	Transistor Output Optocouplers SO-8 DUAL PH TRAN	Datasheet	11,420In Stock	$0.96 $0.479 $0.438 $0.383 View $0.338 $0.323 $0.312 $0.31	Min.: 1 Mult.: 1	25 V	2.4 us	30 mA	SMD/SMT	PDIP-8 Gull Wing	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR >100% Vishay Semiconductors IL213AT IL213AT Vishay Semiconductors 1: $1.05 4,156In Stock	Mfr. Part # IL213AT Mouser Part # 782-IL213AT	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR >100%	Datasheet	4,156In Stock	Cut Tape $1.05 $0.717 $0.521 $0.459 Reel $0.352 View $0.436 $0.35 $0.348	Min.: 1 Mult.: 1 : 2,000	6 V		100 mA	SMD/SMT	SOIC-Narrow-8	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Vishay Semiconductors SFH601-3X017T SFH601-3X017T Vishay Semiconductors 1: $1.73 1,305In Stock	Mfr. Part # SFH601-3X017T Mouser Part # 782-SFH601-3X017T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%	Datasheet	1,305In Stock	Cut Tape $1.73 $1.22 $0.911 $0.761 Reel $0.707 View $0.67 $0.655 $0.609	Min.: 1 Mult.: 1 : 1,000	6 V		50 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>10% 4N27-X009 Vishay Semiconductors 1: $0.76 593In Stock	Mfr. Part # 4N27-X009 Mouser Part # 782-4N27-X009	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>10%	Datasheet	593In Stock	$0.76 $0.527 $0.383 $0.314 View $0.293 $0.26 $0.253 $0.245 $0.237	Min.: 1 Mult.: 1	6 V	2 us	50 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Vishay Semiconductors SFH601-3X016 SFH601-3X016 Vishay Semiconductors 1: $1.65 631In Stock	Mfr. Part # SFH601-3X016 Mouser Part # 782-SFH601-3X016	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%	Datasheet	631In Stock	$1.65 $1.17 $0.866 $0.724 View $0.673 $0.60	Min.: 1 Mult.: 1	6 V		50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>160-320% TCET1114G Vishay Semiconductors 1: $0.77 3,432In Stock	Mfr. Part # TCET1114G Mouser Part # 782-TCET1114G	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%	Datasheet	3,432In Stock	$0.77 $0.521 $0.37 $0.306 View $0.281 $0.264 $0.224 $0.215	Min.: 1 Mult.: 1	6 V	3 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% CNY17-2. Vishay Semiconductors 1: $0.80 1,320In Stock	Mfr. Part # CNY17-2. Mouser Part # 782-CNY17-2.	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	1,320In Stock	$0.80 $0.459 $0.383 $0.316 View $0.29 $0.254 $0.236 $0.225 $0.212	Min.: 1 Mult.: 1	6 V	2 us	100 mA	Through Hole	DIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 130-260% TCET1108G Vishay Semiconductors 1: $0.65 1,447In Stock	Mfr. Part # TCET1108G Mouser Part # 782-TCET1108G	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%	Datasheet	1,447In Stock	$0.65 $0.44 $0.313 $0.259 View $0.237 $0.223 $0.192 $0.183	Min.: 1 Mult.: 1	6 V	3 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>160-320% Vishay Semiconductors SFH617A-4X001 SFH617A-4X001 Vishay Semiconductors 1: $1.08 2,078In Stock	Mfr. Part # SFH617A-4X001 Mouser Part # 782-SFH617A-4X001	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%	Datasheet	2,078In Stock	$1.08 $0.755 $0.552 $0.46 View $0.432 $0.405 $0.37 $0.367 $0.343	Min.: 1 Mult.: 1	6 V	4.6 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>100% 4N35-X007 Vishay Semiconductors 1: $0.79 3,402In Stock	Mfr. Part # 4N35-X007 Mouser Part # 782-4N35-X007	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100%	Datasheet	3,402In Stock	$0.79 $0.549 $0.33 $0.292 View $0.264 $0.263 $0.261 $0.247	Min.: 1 Mult.: 1	6 V		50 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out TCET1107 Vishay Semiconductors 1: $0.57 5,689In Stock	Mfr. Part # TCET1107 Mouser Part # 782-TCET1107	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out	Datasheet	5,689In Stock	$0.57 $0.392 $0.227 $0.20 View $0.191 $0.182 $0.168	Min.: 1 Mult.: 1	6 V	3 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR >50% Vishay Semiconductors CQY80N CQY80N Vishay Semiconductors 1: $0.65 4,584In Stock	Mfr. Part # CQY80N Mouser Part # 782-CQY80N	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR >50%	Datasheet	4,584In Stock	$0.65 $0.452 $0.328 $0.272 View $0.253 $0.212 $0.209 $0.197	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: $1.80 1,937In Stock	Mfr. Part # FOD2711A Mouser Part # 512-FOD2711A	onsemi	Optically Isolated Amplifiers Isolated Error Amp Optocoupler Learn More about onsemi machine vision	Datasheet	1,937In Stock	$1.80 $0.954 $0.778 $0.726 View $0.626 $0.615 $0.606 Quote	Min.: 1 Mult.: 1			50 mA	Through Hole	PDIP-8	1 Channel	Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% CNY17F-2X006 Vishay Semiconductors 1: $0.75 4,410In Stock	Mfr. Part # CNY17F-2X006 Mouser Part # 782-CNY17F-2X006	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	4,410In Stock	$0.75 $0.48 $0.311 $0.275 View $0.262 $0.228	Min.: 1 Mult.: 1	6 V	2 us	50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Output FOD817 onsemi 1: $0.47 10,546In Stock	Mfr. Part # FOD817 Mouser Part # 512-FOD817	onsemi	Transistor Output Optocouplers Phototransistor Output	Datasheet	10,546In Stock	$0.47 $0.311 $0.145 $0.126 View $0.106 $0.105	Min.: 1 Mult.: 1	6 V	18 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor