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 3000Vrms 50% CTR ACPL-217-560E Broadcom / Avago 1: €0.636 22,387In Stock	Mfr. Part No. ACPL-217-560E Mouser Part No 630-ACPL-217-560E	Broadcom / Avago	Transistor Output Optocouplers 3000Vrms 50% CTR Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	22,387In Stock	Cut Tape €0.636 €0.444 €0.323 €0.269 Reel €0.228 View €0.252 €0.217 €0.201 €0.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6 V	2 us	50 mA	SMD/SMT	SOIC-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers DC Phototx Coupler ACPL-227-500E Broadcom / Avago 1: €1.11 13,816In Stock 12,000Expected 09/02/2027	Mfr. Part No. ACPL-227-500E Mouser Part No 630-ACPL-227-500E	Broadcom / Avago	Transistor Output Optocouplers DC Phototx Coupler Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	13,816In Stock 12,000Expected 09/02/2027	Cut Tape €1.11 €0.78 €0.582 €0.495 Reel €0.439 View €0.465 €0.409 €0.383 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	6 V	2 us	50 mA	SMD/SMT	SOIC-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers 5000 Vrms 50mA HCPL-817-30AE Broadcom / Avago 1: €0.576 20,836In Stock	Mfr. Part No. HCPL-817-30AE Mouser Part No 630-HCPL-817-30AE	Broadcom / Avago	Transistor Output Optocouplers 5000 Vrms 50mA Learn More about Broadcom / Avago broadcom optocouplers	Datasheet	20,836In Stock	€0.576 €0.389 €0.275 €0.228 View €0.209 €0.196 €0.181 €0.169 €0.155	Min.: 1 Mult.: 1	6 V	18 us	50 mA	Through Hole	PDIP-4 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-300% Vishay Semiconductors CNY64ST CNY64ST Vishay Semiconductors 1: €2.29 4,619In Stock	Mfr. Part No. CNY64ST Mouser Part No 782-CNY64ST	Vishay Semiconductors	Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-300% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	4,619In Stock	Cut Tape €2.29 €1.81 €1.25 €1.19 Reel €1.11 €1.02 MouseReel Available	Min.: 1 Mult.: 1 : 800	5 V	2.4 us	50 mA	SMD/SMT	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% Vishay Semiconductors CNY65B CNY65B Vishay Semiconductors 1: €2.40 5,431In Stock 19,950On Order	Mfr. Part No. CNY65B Mouser Part No 782-CNY65B	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	5,431In Stock 19,950On Order On Order Ship Dates Mfr. No: CNY65B Stock: 5,431 Can Dispatch Immediately On Order: 7,350 Expected 27/11/2026 12,600 Expected 12/02/2027 Factory Lead Time: 27 Weeks	€2.40 €1.56 €1.32 €1.14 View €1.08 €1.04 €1.02	Min.: 1 Mult.: 1	5 V	2.4 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Dual CTR >100% Vishay Semiconductors ILD213T ILD213T Vishay Semiconductors 1: €1.20 13,537In Stock	Mfr. Part No. ILD213T Mouser Part No 782-ILD213T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR >100%	Datasheet	13,537In Stock	Cut Tape €1.20 €0.849 €0.636 €0.541 Reel €0.445 View €0.51 €0.429 €0.421 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 Dual CTR >100% Vishay Semiconductors ILD621GB ILD621GB Vishay Semiconductors 1: €1.63 2,095In Stock	Mfr. Part No. ILD621GB Mouser Part No 782-ILD621GB	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Dual CTR >100%	Datasheet	2,095In Stock	€1.63 €1.01 €0.886 €0.785 View €0.748 €0.70 €0.678 €0.647	Min.: 1 Mult.: 1	6 V	2 us	100 mA	Through Hole	PDIP-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Vishay Semiconductors SFH617A-2X006 SFH617A-2X006 Vishay Semiconductors 1: €0.869 6,167In Stock	Mfr. Part No. SFH617A-2X006 Mouser Part No 782-SFH617A-2X006	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%	Datasheet	6,167In Stock	€0.869 €0.61 €0.451 €0.379 View €0.372 €0.348 €0.313 €0.28 €0.273	Min.: 1 Mult.: 1	6 V	3 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% SFH618A-5 Vishay Semiconductors 1: €0.929 4,914In Stock	Mfr. Part No. SFH618A-5 Mouser Part No 782-SFH618A-5	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	4,914In Stock	€0.929 €0.654 €0.484 €0.409 View €0.384 €0.379 €0.361 €0.325 €0.31	Min.: 1 Mult.: 1	6 V	3.5 us	100 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>200-400% Vishay Semiconductors SFH690DT SFH690DT Vishay Semiconductors 1: €0.714 7,565In Stock	Mfr. Part No. SFH690DT Mouser Part No 782-SFH690DT	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>200-400%	Datasheet	7,565In Stock	Cut Tape €0.714 €0.495 €0.362 €0.303 Reel €0.267 View €0.284 €0.246 €0.227 €0.226 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 Phototransistor Out TCLT1002 Vishay Semiconductors 1: €0.525 39,444In Stock	Mfr. Part No. TCLT1002 Mouser Part No 782-TCLT1002	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out	Datasheet	39,444In Stock	Cut Tape €0.525 €0.375 €0.285 €0.25 Reel €0.219 View €0.232 €0.212 €0.206 €0.201 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6 V	3 us	50 mA	SMD/SMT	SOP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Photodarlington Out Dual CTR >500% Vishay Semiconductors ILD223T ILD223T Vishay Semiconductors 1: €1.62 13,218In Stock End of Life	Mfr. Part No. ILD223T Mouser Part No 782-ILD223T End of Life	Vishay Semiconductors	Transistor Output Optocouplers Photodarlington Out Dual CTR >500%	Datasheet	13,218In Stock	Cut Tape €1.62 €1.16 €0.877 €0.755 Reel €0.68 View €0.715 €0.637 €0.611 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	6 V			SMD/SMT	SOIC-Narrow-8	2 Channel	Photodarlington
Transistor Output Optocouplers Optocoupler Phototrans No Base CNY17F1M onsemi 1: €0.576 1,092In Stock	Mfr. Part No. CNY17F1M Mouser Part No 512-CNY17F1M	onsemi	Transistor Output Optocouplers Optocoupler Phototrans No Base	Datasheet	1,092In Stock	€0.576 €0.41 €0.308 €0.263 View €0.223 €0.20 €0.187 €0.182	Min.: 1 Mult.: 1	6 V	4 us	50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler Phototrans No Base CNY17F2SR2M onsemi 1: €0.576 1,990In Stock	Mfr. Part No. CNY17F2SR2M Mouser Part No 512-CNY17F2SR2M	onsemi	Transistor Output Optocouplers Optocoupler Phototrans No Base	Datasheet	1,990In Stock	Cut Tape €0.576 €0.41 €0.307 €0.27 Reel €0.229 View €0.222 €0.208 €0.189 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	6 V	6 us	50 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers HMHA2801R2V onsemi 1: €0.705 5,525In Stock	Mfr. Part No. HMHA2801R2V Mouser Part No 512-HMHA2801R2V	onsemi	Transistor Output Optocouplers 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers	Datasheet	5,525In Stock	Cut Tape €0.705 €0.49 €0.356 €0.292 Reel €0.243 View €0.286 €0.217 €0.206 €0.199 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	6 V	3 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out CTR 50-600% Vishay Semiconductors VO617A VO617A Vishay Semiconductors 1: €0.361 5,085In Stock	Mfr. Part No. VO617A Mouser Part No 78-VO617A	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out CTR 50-600% Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	5,085In Stock	€0.361 €0.249 €0.178 €0.145 View €0.134 €0.126 €0.115 €0.109 €0.101	Min.: 1 Mult.: 1	6 V	4.6 us	50 mA	Through Hole	DIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out CTR 50-600% Vishay Semiconductors VO618A VO618A Vishay Semiconductors 1: €0.396 3,832In Stock 4,000On Order	Mfr. Part No. VO618A Mouser Part No 78-VO618A	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out CTR 50-600% Learn More about Vishay Semiconductors vishaysemi VOx6xxA	Datasheet	3,832In Stock 4,000On Order	€0.396 €0.27 €0.194 €0.158 View €0.147 €0.138 €0.126 €0.12 €0.112	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>20% 4N25-X009 Vishay Semiconductors 1: €0.636 725In Stock	Mfr. Part No. 4N25-X009 Mouser Part No 782-4N25-X009	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>20%	Datasheet	725In Stock	€0.636 €0.453 €0.33 €0.275 View €0.252 €0.232 €0.217 €0.209 €0.198	Min.: 1 Mult.: 1	6 V	2 us	50 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out 4N38 Vishay Semiconductors 1: €0.662 1,782In Stock	Mfr. Part No. 4N38 Mouser Part No 782-4N38	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out	Datasheet	1,782In Stock	€0.662 €0.378 €0.329 €0.282 View €0.267 €0.252 €0.237 €0.225 €0.213	Min.: 1 Mult.: 1	6 V		100 mA	Through Hole	DIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR>20% 4N38-X009T Vishay Semiconductors 1: €0.679 1,998In Stock	Mfr. Part No. 4N38-X009T Mouser Part No 782-4N38-X009T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>20%	Datasheet	1,998In Stock	Cut Tape €0.679 €0.474 €0.347 €0.289 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 NPN Phototransistor CNY17-1 Vishay Semiconductors 1: €0.602 1,821In Stock	Mfr. Part No. CNY17-1 Mouser Part No 782-CNY17-1	Vishay Semiconductors	Transistor Output Optocouplers NPN Phototransistor Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	1,821In Stock	€0.602 €0.334 €0.294 €0.252 View €0.237 €0.219 €0.206 €0.196 €0.186	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 40-80% CNY17-1X007T Vishay Semiconductors 1: €0.714 1,851In Stock	Mfr. Part No. CNY17-1X007T Mouser Part No 782-CNY17-1X007T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 40-80% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	1,851In Stock	Cut Tape €0.714 €0.495 €0.362 €0.303 Reel €0.283 View €0.258 €0.243 €0.237 €0.233 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	6 V	2 us	100 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers NPN Phototransistor CNY17-2 Vishay Semiconductors 1: €0.611 3,472In Stock 2,000Expected 05/11/2026	Mfr. Part No. CNY17-2 Mouser Part No 782-CNY17-2	Vishay Semiconductors	Transistor Output Optocouplers NPN Phototransistor Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	3,472In Stock 2,000Expected 05/11/2026	€0.611 €0.519 €0.384 €0.318 View €0.292 €0.273 €0.253 €0.236 €0.218	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 63-125% CNY17-2X007T Vishay Semiconductors 1: €0.714 1,497In Stock	Mfr. Part No. CNY17-2X007T Mouser Part No 782-CNY17-2X007T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	1,497In Stock	Cut Tape €0.714 €0.495 €0.362 €0.303 Reel €0.283 View €0.258 €0.243 €0.237 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	6 V	2 us	100 mA	SMD/SMT	SMD-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Phototransistor Out Single CTR 40-80% CNY17F-1 Vishay Semiconductors 1: €0.55 2,759In Stock	Mfr. Part No. CNY17F-1 Mouser Part No 782-CNY17F-1	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 40-80% Learn More about Vishay Semiconductors vishay semi cny6xst optocouplers	Datasheet	2,759In Stock	€0.55 €0.316 €0.26 €0.228 View €0.222 €0.212 €0.194 €0.185 €0.175	Min.: 1 Mult.: 1	6 V	2 us	50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor