Optocouplers/Photocouplers

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Optocouplers / Photocouplers

LITEON Optocouplers / Photocouplers are available in standard single, dual, and quad channels. These devices come in Dual-In Package (DIP), Small Outline Package (SOP), Shrink Small Outline Package (SSOP), and Long Small Outline Package (LSOP). The optocouplers / photocouplers are offered with transistor, triac, high speed, Darlington, IGBT drive output, and AC input configurations. These Optocouplers / Photocouplers serve various applications such as switch mode power, battery chargers, fax modems, home appliances, telecommunications, and industry controllers.

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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 P/C LTV-816S-TA1-D TAPPING TYPE II LTV-816S-TA1-D LITEON 1: 0,344 € 12 900In Stock 12 000Expected 01/12/2026	Mfr. Part No. LTV-816S-TA1-D Mouser Part No 859-LTV-816S-TA1-D	LITEON	Transistor Output Optocouplers P/C LTV-816S-TA1-D TAPPING TYPE II Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	12 900In Stock 12 000Expected 01/12/2026	Cut Tape 0,344 € 0,237 € 0,169 € 0,138 € Reel 0,126 € View 0,114 € 0,106 € 0,102 € 0,094 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	18 us	50 mA	SMD/SMT		1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-TA1-A LITEON 1: 0,344 € 2 959In Stock 5 000Expected 19/10/2026	Mfr. Part No. LTV-817S-TA1-A Mouser Part No 859-LTV-817S-TA1-A	LITEON	Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	2 959In Stock 5 000Expected 19/10/2026	Cut Tape 0,344 € 0,237 € 0,169 € 0,138 € Reel 0,121 € View 0,112 € 0,105 € 0,101 € 0,094 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	18 us	50 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-TA1-B LITEON 1: 0,37 € 487In Stock 10 000Expected 04/12/2026	Mfr. Part No. LTV-817S-TA1-B Mouser Part No 859-LTV-817S-TA1-B	LITEON	Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	487In Stock 10 000Expected 04/12/2026	Cut Tape 0,37 € 0,251 € 0,179 € 0,145 € Reel 0,125 € View 0,115 € 0,108 € 0,102 € 0,099 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	18 us	50 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-TA1-C LITEON 1: 0,37 € 5 590In Stock	Mfr. Part No. LTV-817S-TA1-C Mouser Part No 859-LTV-817S-TA1-C	LITEON	Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	5 590In Stock	Cut Tape 0,37 € 0,251 € 0,179 € 0,145 € Reel 0,124 € View 0,115 € 0,106 € 0,097 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	18 us	50 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler LTV-826S-TA LITEON 1: 0,49 € 940In Stock 10 000Expected 09/10/2026	Mfr. Part No. LTV-826S-TA Mouser Part No 859-LTV-826S-TA	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	940In Stock 10 000Expected 09/10/2026	Cut Tape 0,49 € 0,34 € 0,245 € 0,202 € Reel 0,187 € View 0,169 € 0,158 € 0,151 € 0,146 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	18 us	50 mA	SMD/SMT	PDIP-8 Gull Wing	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler AC in 4-CHNL LTV-844HS LITEON 1: 1,38 € 770In Stock	Mfr. Part No. LTV-844HS Mouser Part No 859-LTV-844HS	LITEON	Transistor Output Optocouplers Optocoupler AC in 4-CHNL Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	770In Stock	1,38 € 0,877 € 0,74 € 0,634 € View 0,57 € 0,535 € 0,513 € 0,495 €	Min.: 1 Mult.: 1		18 us	80 mA	SMD/SMT	PDIP-16 Gull Wing	4 Channel	Phototransistor
Transistor Output Optocouplers Optocoupler LTV-852S-TA1 LITEON 1: 0,783 € 286In Stock	Mfr. Part No. LTV-852S-TA1 Mouser Part No 859-LTV-852S-TA1	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON darlington transistor output photocouplers	Datasheet	286In Stock	Cut Tape 0,783 € 0,544 € 0,395 € 0,329 € Reel 0,296 € View 0,274 € 0,256 € 0,24 €	Min.: 1 Mult.: 1 : 1 000	6 V	300 us	150 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	Photodarlington
Transistor Output Optocouplers P/C LTV356TB-V STD. TYPE (VDE) LTV356TB-V LITEON 1: 0,318 € 1 118In Stock 3 000Expected 26/10/2026	Mfr. Part No. LTV356TB-V Mouser Part No 859-LTV356TB-V	LITEON	Transistor Output Optocouplers P/C LTV356TB-V STD. TYPE (VDE) Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	1 118In Stock 3 000Expected 26/10/2026	Cut Tape 0,318 € 0,218 € 0,155 € 0,126 € Reel 0,104 € View 0,117 € 0,095 € 0,089 € 0,085 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	6 V	18 us	50 mA	SMD/SMT		1 Channel	NPN Phototransistor
Transistor Output Optocouplers P/C LTV826STA1-V TAPPING TYPE II, VDE LTV826STA1-V LITEON 1: 0,654 € 1 729In Stock	Mfr. Part No. LTV826STA1-V Mouser Part No 859-LTV826STA1-V	LITEON	Transistor Output Optocouplers P/C LTV826STA1-V TAPPING TYPE II, VDE Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	1 729In Stock	Cut Tape 0,654 € 0,455 € 0,332 € 0,277 € Reel 0,258 € View 0,235 € 0,217 € 0,206 € 0,20 €	Min.: 1 Mult.: 1 : 1 000	6 V	18 us	50 mA	SMD/SMT		2 Channel	NPN Phototransistor
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3020 LITEON 1: 0,619 € 7 896In Stock	Mfr. Part No. MOC3020 Mouser Part No 859-MOC3020	LITEON	Triac & SCR Output Optocouplers Optocoupler TRIAC Learn More about LITEON moc30x triac output photocouplers	Datasheet	7 896In Stock	0,619 € 0,477 € 0,338 € 0,292 € View 0,208 € 0,193 €	Min.: 1 Mult.: 1				Through Hole	DIP-6	1 Channel	PhotoTriac
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3020S LITEON 1: 0,559 € 4 485In Stock	Mfr. Part No. MOC3020S Mouser Part No 859-MOC3020S	LITEON	Triac & SCR Output Optocouplers Optocoupler TRIAC Learn More about LITEON moc30x triac output photocouplers	Datasheet	4 485In Stock	0,559 € 0,296 € 0,27 € 0,23 € View 0,202 € 0,187 € 0,173 € 0,163 €	Min.: 1 Mult.: 1				SMD/SMT	SMD-6 Gull Wing	1 Channel	PhotoTriac
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3020S-TA LITEON 1: 0,568 € 6 761In Stock	Mfr. Part No. MOC3020S-TA Mouser Part No 859-MOC3020S-TA	LITEON	Triac & SCR Output Optocouplers Optocoupler TRIAC Learn More about LITEON moc30x triac output photocouplers	Datasheet	6 761In Stock	Cut Tape 0,568 € 0,394 € 0,286 € 0,237 € Reel 0,22 € View 0,20 € 0,187 € 0,182 € 0,175 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000				SMD/SMT	SMD-6 Gull Wing	1 Channel	PhotoTriac
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3023S-TA LITEON 1: 0,585 € 426In Stock	Mfr. Part No. MOC3023S-TA Mouser Part No 859-MOC3023S-TA	LITEON	Triac & SCR Output Optocouplers Optocoupler TRIAC Learn More about LITEON moc30x triac output photocouplers	Datasheet	426In Stock	Cut Tape 0,585 € 0,404 € 0,293 € 0,243 € Reel 0,222 € View 0,203 € 0,19 € 0,176 € 0,169 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000				SMD/SMT	SMD-6 Gull Wing	1 Channel	PhotoTriac
Triac & SCR Output Optocouplers 10MBd, dual, open-drain LITEON LTV-063L LTV-063L LITEON 1: 1,75 € 4 000In Stock New At Mouser	Mfr. Part No. LTV-063L Mouser Part No 859-LTV-063L New At Mouser	LITEON	Triac & SCR Output Optocouplers 10MBd, dual, open-drain Learn More about LITEON lite on optocouplers	Datasheet	4 000In Stock	Cut Tape 1,75 € 1,26 € 0,955 € 0,823 € Reel 0,743 € View 0,781 € 0,697 € 0,679 €	Min.: 1 Mult.: 1 : 2 000
Transistor Output Optocouplers PTR 20%, 2.5KV 4N25M LITEON 1: 0,396 € 4 316In Stock	Mfr. Part No. 4N25M Mouser Part No 859-4N25M	LITEON	Transistor Output Optocouplers PTR 20%, 2.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	4 316In Stock	0,396 € 0,206 € 0,187 € 0,158 € View 0,137 € 0,123 € 0,116 € 0,108 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 20%, 2.5KV 4N25S LITEON 1: 0,473 € 7 155In Stock	Mfr. Part No. 4N25S Mouser Part No 859-4N25S	LITEON	Transistor Output Optocouplers PTR 20%, 2.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	7 155In Stock	0,473 € 0,206 € 0,16 € 0,154 € View 0,147 € 0,143 € 0,132 € 0,127 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 20%, 2.5KV 4N26 LITEON 1: 0,378 € 5 644In Stock	Mfr. Part No. 4N26 Mouser Part No 859-4N26	LITEON	Transistor Output Optocouplers PTR 20%, 2.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	5 644In Stock	0,378 € 0,194 € 0,176 € 0,144 € View 0,129 € 0,126 € 0,119 € 0,113 € 0,105 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 20%, 2.5KV 4N26M LITEON 1: 0,568 € 4 969In Stock	Mfr. Part No. 4N26M Mouser Part No 859-4N26M	LITEON	Transistor Output Optocouplers PTR 20%, 2.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	4 969In Stock	0,568 € 0,372 € 0,249 € 0,171 € View 0,157 € 0,146 € 0,12 € 0,113 € 0,108 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 20%, 2.5KV 4N26S LITEON 1: 0,396 € 7 856In Stock	Mfr. Part No. 4N26S Mouser Part No 859-4N26S	LITEON	Transistor Output Optocouplers PTR 20%, 2.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	7 856In Stock	0,396 € 0,206 € 0,187 € 0,158 € View 0,157 € 0,146 € 0,138 € 0,117 € 0,109 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers CTR 10%, 1.5KV 4N27 LITEON 1: 0,378 € 249In Stock 6 240Expected 06/10/2026	Mfr. Part No. 4N27 Mouser Part No 859-4N27	LITEON	Transistor Output Optocouplers CTR 10%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	249In Stock 6 240Expected 06/10/2026	0,378 € 0,194 € 0,176 € 0,145 € View 0,129 € 0,126 € 0,114 € 0,109 € 0,102 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 20%, 1.5KV 4N27M LITEON 1: 0,568 € 359In Stock	Mfr. Part No. 4N27M Mouser Part No 859-4N27M	LITEON	Transistor Output Optocouplers PTR 20%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	359In Stock	0,568 € 0,372 € 0,249 € 0,171 € View 0,157 € 0,146 € 0,12 € 0,114 € 0,105 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 10%, 0.5KV 4N28 LITEON 1: 0,378 € 585In Stock 6 240Expected 05/10/2026	Mfr. Part No. 4N28 Mouser Part No 859-4N28	LITEON	Transistor Output Optocouplers PTR 10%, 0.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	585In Stock 6 240Expected 05/10/2026	0,378 € 0,194 € 0,176 € 0,149 € View 0,129 € 0,116 € 0,11 € 0,103 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35 LITEON 1: 0,55 € 12 573In Stock 13 195Expected 23/11/2026	Mfr. Part No. 4N35 Mouser Part No 859-4N35	LITEON	Transistor Output Optocouplers PTR 100%, 3.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	12 573In Stock 13 195Expected 23/11/2026	0,55 € 0,304 € 0,237 € 0,165 € View 0,151 € 0,141 € 0,132 € 0,124 € 0,113 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35M LITEON 1: 0,421 € 6 217In Stock	Mfr. Part No. 4N35M Mouser Part No 859-4N35M	LITEON	Transistor Output Optocouplers PTR 100%, 3.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	6 217In Stock	0,421 € 0,218 € 0,198 € 0,168 € View 0,145 € 0,138 € 0,119 € 0,111 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35S LITEON 1: 0,568 € 9 082In Stock	Mfr. Part No. 4N35S Mouser Part No 859-4N35S	LITEON	Transistor Output Optocouplers PTR 100%, 3.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	9 082In Stock	0,568 € 0,206 € 0,16 € 0,154 € View 0,15 € 0,144 € 0,14 € 0,129 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor