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 Phototransistor Out Dual CTR 40-80% ILD205T Vishay Semiconductors 1: 1,20 € 35 964In Stock	Mfr. Part No. ILD205T Mouser Part No 782-ILD205T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80%	Datasheet	35 964In Stock	Cut Tape 1,20 € 0,849 € 0,622 € 0,54 € Reel 0,444 € View 0,506 € 0,427 € 0,397 € 0,392 € 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 TCMT1102 Vishay Semiconductors 1: 0,542 € 121 760In Stock	Mfr. Part No. TCMT1102 Mouser Part No 782-TCMT1102	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out	Datasheet	121 760In Stock	Cut Tape 0,542 € 0,372 € 0,263 € 0,223 € Reel 0,182 € View 0,202 € 0,175 € 0,159 € 0,154 € 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 >100% IL213AT Vishay Semiconductors 1: 0,903 € 4 358In Stock	Mfr. Part No. IL213AT Mouser Part No 782-IL213AT	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR >100%	Datasheet	4 358In Stock	Cut Tape 0,903 € 0,632 € 0,459 € 0,394 € Reel 0,323 € View 0,379 € 0,305 € 0,299 € 0,294 €	Min.: 1 Mult.: 1 : 2 000	6 V		100 mA	SMD/SMT	SOIC-Narrow-8	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Photodarlington Out Single CTR >600% TCLD1000 Vishay Semiconductors 1: 0,55 € 12 064In Stock	Mfr. Part No. TCLD1000 Mouser Part No 782-TCLD1000	Vishay Semiconductors	Transistor Output Optocouplers Photodarlington Out Single CTR >600%	Datasheet	12 064In Stock	Cut Tape 0,55 € 0,397 € 0,287 € 0,249 € Reel 0,212 € View 0,237 € 0,208 € 0,203 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	6 V	300 us	80 mA	SMD/SMT	SOP-4	1 Channel	Photodarlington
Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125% ILD615-2 Vishay Semiconductors 1: 1,46 € 4 311In Stock	Mfr. Part No. ILD615-2 Mouser Part No 782-ILD615-2	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125%	Datasheet	4 311In Stock	1,46 € 0,903 € 0,786 € 0,659 € View 0,623 € 0,555 € 0,537 €	Min.: 1 Mult.: 1	6 V	2.8 us	50 mA	Through Hole	PDIP-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers RECOMMENDED ALT VO61 SFH617A-4X016 Vishay Semiconductors 1: 0,929 € 7 393In Stock	Mfr. Part No. SFH617A-4X016 Mouser Part No 782-SFH617A-4X016	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT VO61	Datasheet	7 393In Stock	0,929 € 0,654 € 0,435 € 0,383 € View 0,364 € 0,347 € 0,318 € 0,31 €	Min.: 1 Mult.: 1	6 V	4.6 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler FOD817SD onsemi 1: 0,456 € 13 500In Stock	Mfr. Part No. FOD817SD Mouser Part No 512-FOD817SD	onsemi	Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler	Datasheet	13 500In Stock	Cut Tape 0,456 € 0,311 € 0,224 € 0,185 € Reel 0,135 € 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
Transistor Output Optocouplers Optocoupler Phototransistor 4N36M onsemi 1: 0,576 € 8 648In Stock	Mfr. Part No. 4N36M Mouser Part No 512-4N36M	onsemi	Transistor Output Optocouplers Optocoupler Phototransistor	Datasheet	8 648In Stock	0,576 € 0,347 € 0,26 € 0,222 € 0,197 €	Min.: 1 Mult.: 1 Max.: 1 000	6 V			Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers RECOMMENDED ALT SFH6 VO617A-3X017T Vishay Semiconductors 1: 0,378 € 100 964In Stock	Mfr. Part No. VO617A-3X017T Mouser Part No 78-VO617A-3X017T	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT SFH6 Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	100 964In Stock	Cut Tape 0,378 € 0,26 € 0,186 € 0,152 € Reel 0,14 € View 0,126 € 0,117 € 0,114 € 0,098 € 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% SFH615A-1 Vishay Semiconductors 1: 0,542 € 20 432In Stock	Mfr. Part No. SFH615A-1 Mouser Part No 782-SFH615A-1	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%	Datasheet	20 432In Stock	0,542 € 0,396 € 0,307 € 0,251 € View 0,241 € 0,234 € 0,225 € 0,224 €	Min.: 1 Mult.: 1	6 V	2 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler Phototransistor MCT2EM onsemi 1: 0,447 € 10 846In Stock	Mfr. Part No. MCT2EM Mouser Part No 512-MCT2EM	onsemi	Transistor Output Optocouplers Optocoupler Phototransistor	Datasheet	10 846In Stock	0,447 € 0,292 € 0,236 € 0,201 € 0,194 €	Min.: 1 Mult.: 1 Max.: 1 000	6 V			Through Hole	PDIP-6	1 Channel	NPN Phototransistor
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 PHOTO TRANS 4N25SM onsemi 1: 0,628 € 50 550In Stock	Mfr. Part No. 4N25SM Mouser Part No 512-4N25SM	onsemi	Transistor Output Optocouplers PHOTO TRANS	Datasheet	50 550In Stock	0,628 € 0,347 € 0,317 € 0,265 € 0,247 €	Min.: 1 Mult.: 1 Max.: 1 000	6 V			SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers SO-8 DUAL PH TRAN MCT62S onsemi 1: 0,86 € 11 945In Stock	Mfr. Part No. MCT62S Mouser Part No 512-MCT62S	onsemi	Transistor Output Optocouplers SO-8 DUAL PH TRAN	Datasheet	11 945In Stock	0,86 € 0,44 € 0,383 € 0,323 € 0,277 €	Min.: 1 Mult.: 1 Max.: 1 000	25 V	2.4 us	30 mA	SMD/SMT	PDIP-8 Gull Wing	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>20% 4N38-X009T Vishay Semiconductors 1: 0,714 € 998In Stock 1 000Expected 08/10/2026	Mfr. Part No. 4N38-X009T Mouser Part No 782-4N38-X009T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>20%	Datasheet	998In Stock 1 000Expected 08/10/2026	Cut Tape 0,714 € 0,491 € 0,357 € 0,295 € Reel 0,27 € View 0,246 € 0,23 € 0,225 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V		50 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Photodarlington MOC8050TVM onsemi 1: 0,636 € 3 405In Stock	Mfr. Part No. MOC8050TVM Mouser Part No 512-MOC8050TVM	onsemi	Transistor Output Optocouplers Photodarlington	Datasheet	3 405In Stock	0,636 € 0,353 € 0,323 € 0,27 € View 0,263 € 0,25 € 0,216 € 0,206 € 0,199 €	Min.: 1 Mult.: 1	3 V		150 mA	Through Hole	PDIP-6	1 Channel	Photodarlington
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: 0,654 € 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	0,654 € 0,433 € 0,267 € 0,236 € View 0,224 € 0,206 € 0,20 €	Min.: 1 Mult.: 1	6 V	2 us	50 mA	Through Hole	PDIP-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 € 0,18 € 0,169 €	Min.: 1 Mult.: 1	5 V	7 us	50 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 4PN DIP Photo Xstr Output Optocoupler FOD817S onsemi 1: 0,335 € 10 905In Stock	Mfr. Part No. FOD817S Mouser Part No 512-FOD817S	onsemi	Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler	Datasheet	10 905In Stock	0,335 € 0,234 € 0,156 € 0,124 € View 0,116 € 0,104 €	Min.: 1 Mult.: 1 Max.: 2 000	6 V	18 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers SO-8 PHOTO TRANS MOC212M onsemi 1: 0,55 € 2 803In Stock	Mfr. Part No. MOC212M Mouser Part No 512-MOC212M	onsemi	Transistor Output Optocouplers SO-8 PHOTO TRANS	Datasheet	2 803In Stock	0,55 € 0,381 € 0,274 € 0,237 € View 0,217 € 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 63-125% CNY17-2. Vishay Semiconductors 1: 0,688 € 1 335In Stock	Mfr. Part No. CNY17-2. Mouser Part No 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 335In Stock	0,688 € 0,395 € 0,329 € 0,272 € View 0,249 € 0,218 € 0,203 € 0,194 € 0,182 €	Min.: 1 Mult.: 1	6 V	2 us	100 mA	Through Hole	DIP-6	1 Channel	NPN Phototransistor