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
High Speed Optocouplers High Speed 1MBd Transistor Output 6N136S-TA1 LITEON 1: 0,808 € 7 738In Stock 27 891On Order	Mfr. Part No. 6N136S-TA1 Mouser Part No 859-6N136STA1	LITEON	High Speed Optocouplers High Speed 1MBd Transistor Output Learn More about LITEON 1mbd transistor output photocoouplers	Datasheet	7 738In Stock 27 891On Order On Order Ship Dates Mfr. No: 6N136S-TA1 Stock: 7 738 Can Dispatch Immediately On Order: 14 891 Expected 29/09/2026 13 000 Expected 23/11/2026 Factory Lead Time: 18 Weeks	Cut Tape 0,808 € 0,561 € 0,409 € 0,34 € Reel 0,298 € View 0,28 € 0,27 € 0,257 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	5 V		8 mA	SMD/SMT	SMD-8	1 Channel	Phototransistor
High Speed Optocouplers High Speed 10MBd LogicGate Output 6N137 LITEON 1: 0,688 € 31 373In Stock	Mfr. Part No. 6N137 Mouser Part No 859-6N137	LITEON	High Speed Optocouplers High Speed 10MBd LogicGate Output Learn More about LITEON 10mbd logic gate 15mbd cmos photocouplers	Datasheet	31 373In Stock	0,688 € 0,572 € 0,433 € 0,366 € View 0,341 € 0,326 € 0,31 € 0,287 € 0,269 €	Min.: 1 Mult.: 1	5 V	50 ns	50 mA	Through Hole	DIP-8	1 Channel	Open Collector
High Speed Optocouplers High Speed 10MBd LogicGate Output 6N137S LITEON 1: 0,783 € 20 549In Stock 3 300On Order	Mfr. Part No. 6N137S Mouser Part No 859-6N137S	LITEON	High Speed Optocouplers High Speed 10MBd LogicGate Output Learn More about LITEON 10mbd logic gate 15mbd cmos photocouplers	Datasheet	20 549In Stock 3 300On Order On Order Ship Dates Mfr. No: 6N137S Stock: 20 549 Can Dispatch Immediately On Order: 1 400 Expected 11/11/2026 1 900 Expected 21/12/2026 Factory Lead Time: 30 Weeks	0,783 € 0,544 € 0,395 € 0,323 € View 0,302 € 0,288 € 0,273 € 0,254 € 0,238 €	Min.: 1 Mult.: 1	5 V	50 ns	50 mA	SMD/SMT	SMD-8	1 Channel	Open Collector
High Speed Optocouplers High Speed 10MBd LogicGate Output 6N137S-TA1 LITEON 1: 0,757 € 26 724In Stock 49 000On Order	Mfr. Part No. 6N137S-TA1 Mouser Part No 859-6N137STA1	LITEON	High Speed Optocouplers High Speed 10MBd LogicGate Output Learn More about LITEON 10mbd logic gate 15mbd cmos photocouplers	Datasheet	26 724In Stock 49 000On Order On Order Ship Dates Mfr. No: 6N137S-TA1 Stock: 26 724 Can Dispatch Immediately On Order: 20 000 Expected 21/09/2026 29 000 Expected 07/10/2026 Factory Lead Time: 18 Weeks	Cut Tape 0,757 € 0,53 € 0,389 € 0,326 € Reel 0,299 € View 0,278 € 0,261 € 0,253 € 0,246 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	5 V	50 ns	50 mA	SMD/SMT	SMD-8	1 Channel	Open Collector
High Speed Optocouplers Darlington 100KBd Transistor Output 6N138S-TA1 LITEON 1: 0,808 € 7 602In Stock	Mfr. Part No. 6N138S-TA1 Mouser Part No 859-6N138STA1	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	7 602In Stock	Cut Tape 0,808 € 0,561 € 0,409 € 0,34 € Reel 0,316 € View 0,294 € 0,277 € 0,256 € 0,249 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	5 V			SMD/SMT	SMD-8	1 Channel	Photodarlington
Transistor Output Optocouplers HCEV, 40%, 5KV CNY17-1S-TA1 LITEON 1: 0,542 € 10 520In Stock	Mfr. Part No. CNY17-1S-TA1 Mouser Part No 859-CNY17-1S-TA1	LITEON	Transistor Output Optocouplers HCEV, 40%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	10 520In Stock	Cut Tape 0,542 € 0,366 € 0,26 € 0,222 € Reel 0,187 € View 0,184 € 0,171 € 0,159 € 0,144 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	2 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN CNY17-2S LITEON 1: 0,464 € 11 214In Stock	Mfr. Part No. CNY17-2S Mouser Part No 859-CNY17-2S	LITEON	Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	11 214In Stock	0,464 € 0,243 € 0,22 € 0,187 € View 0,163 € 0,15 € 0,142 € 0,124 €	Min.: 1 Mult.: 1	6 V	3 us	100 mA	SMD/SMT		1 Channel	NPN Phototransistor
Transistor Output Optocouplers HCEV, 100%, 5KV CNY17-3S-TA1 LITEON 1: 0,499 € 9 191In Stock	Mfr. Part No. CNY17-3S-TA1 Mouser Part No 859-CNY17-3S-TA1	LITEON	Transistor Output Optocouplers HCEV, 100%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	9 191In Stock	Cut Tape 0,499 € 0,342 € 0,247 € 0,204 € Reel 0,181 € View 0,168 € 0,16 € 0,156 € 0,151 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	3 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers 20% 3.75KV 4 Pin AC Optocoupler LTV-214 LITEON 1: 0,654 € 6 429In Stock	Mfr. Part No. LTV-214 Mouser Part No 859-LTV-214	LITEON	Transistor Output Optocouplers 20% 3.75KV 4 Pin AC Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	6 429In Stock	Cut Tape 0,654 € 0,454 € 0,331 € 0,276 € Reel 0,232 € View 0,258 € 0,221 € 0,206 € 0,194 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	6 V	2 us	50 mA	SMD/SMT	SSOP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler AC input LTV-814 LITEON 1: 0,439 € 14 771In Stock 31 300On Order	Mfr. Part No. LTV-814 Mouser Part No 859-LTV-814	LITEON	Transistor Output Optocouplers Optocoupler AC input Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	14 771In Stock 31 300On Order On Order Ship Dates Mfr. No: LTV-814 Stock: 14 771 Can Dispatch Immediately On Order: 6 000 Expected 07/10/2026 25 300 Expected 26/10/2026 Factory Lead Time: 14 Weeks	0,439 € 0,30 € 0,215 € 0,176 € View 0,153 € 0,141 € 0,122 €	Min.: 1 Mult.: 1		18 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler LTV-8141 LITEON 1: 0,722 € 6 192In Stock	Mfr. Part No. LTV-8141 Mouser Part No 859-LTV-8141	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON darlington transistor output photocouplers	Datasheet	6 192In Stock	0,722 € 0,50 € 0,35 € 0,305 € View 0,269 € 0,25 € 0,227 € 0,216 €	Min.: 1 Mult.: 1		300 us	80 mA	Through Hole	PDIP-4	1 Channel	Photodarlington
Transistor Output Optocouplers Optocoupler AC input LTV-8141S LITEON 1: 0,843 € 10 227In Stock	Mfr. Part No. LTV-8141S Mouser Part No 859-LTV-8141S	LITEON	Transistor Output Optocouplers Optocoupler AC input Learn More about LITEON darlington transistor output photocouplers	Datasheet	10 227In Stock	0,843 € 0,588 € 0,366 € 0,333 € View 0,319 € 0,30 € 0,278 € 0,273 €	Min.: 1 Mult.: 1		300 us	80 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	Photodarlington
Transistor Output Optocouplers Optocoupler Phototrans LTV-816S LITEON 1: 0,533 € 19 119In Stock 67 300On Order	Mfr. Part No. LTV-816S Mouser Part No 859-LTV-816S	LITEON	Transistor Output Optocouplers Optocoupler Phototrans Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	19 119In Stock 67 300On Order On Order Ship Dates Mfr. No: LTV-816S Stock: 19 119 Can Dispatch Immediately On Order: 36 500 Expected 07/10/2026 30 800 Expected 19/10/2026 Factory Lead Time: 14 Weeks	0,533 € 0,347 € 0,162 € 0,143 € View 0,134 € 0,13 € 0,128 € 0,124 € 0,123 €	Min.: 1 Mult.: 1	6 V	18 us	50 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler Phototrans LTV-817-A LITEON 1: 0,353 € 14 026In Stock	Mfr. Part No. LTV-817-A Mouser Part No 859-LTV-817A	LITEON	Transistor Output Optocouplers Optocoupler Phototrans Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	14 026In Stock	0,353 € 0,243 € 0,172 € 0,14 € View 0,121 € 0,111 € 0,104 € 0,097 €	Min.: 1 Mult.: 1	6 V	18 us	50 mA	Through Hole	PDIP-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-D LITEON 1: 0,378 € 28 313In Stock	Mfr. Part No. LTV-817S-D Mouser Part No 859-LTV-817S-D	LITEON	Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	28 313In Stock	0,378 € 0,257 € 0,183 € 0,145 € View 0,129 € 0,126 € 0,119 € 0,109 €	Min.: 1 Mult.: 1	6 V	18 us	50 mA	SMD/SMT	PDIP-4 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler LTV-817S-TA LITEON 1: 0,378 € 43 460In Stock 14 500Expected 19/10/2026	Mfr. Part No. LTV-817S-TA Mouser Part No 859-LTV-817S-TA	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	43 460In Stock 14 500Expected 19/10/2026	Cut Tape 0,378 € 0,257 € 0,183 € 0,161 € Reel 0,143 € View 0,132 € 0,124 € 0,12 € 0,117 € 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 AC in 2-CHNL LTV-824 LITEON 1: 0,955 € 7 692In Stock	Mfr. Part No. LTV-824 Mouser Part No 859-LTV-824	LITEON	Transistor Output Optocouplers Optocoupler AC in 2-CHNL Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	7 692In Stock	0,955 € 0,637 € 0,478 € 0,391 € View 0,366 € 0,348 € 0,331 € 0,307 € 0,288 €	Min.: 1 Mult.: 1		18 us	50 mA	Through Hole	PDIP-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler AC in 2-CHNL LTV-8241S LITEON 1: 1,25 € 4 400In Stock 6 000Expected 15/12/2026	Mfr. Part No. LTV-8241S Mouser Part No 859-LTV-8241S	LITEON	Transistor Output Optocouplers Optocoupler AC in 2-CHNL Learn More about LITEON darlington transistor output photocouplers	Datasheet	4 400In Stock 6 000Expected 15/12/2026	1,25 € 0,715 € 0,646 € 0,555 € View 0,503 € 0,499 € 0,473 € 0,455 €	Min.: 1 Mult.: 1		300 us	80 mA	SMD/SMT	PDIP-8 Gull Wing	2 Channel	Photodarlington
Transistor Output Optocouplers Optocoupler LTV-826S-TA1 LITEON 1: 0,55 € 14 545In Stock 3 000Expected 06/10/2026	Mfr. Part No. LTV-826S-TA1 Mouser Part No 859-LTV-826S-TA1	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	14 545In Stock 3 000Expected 06/10/2026	Cut Tape 0,55 € 0,383 € 0,277 € 0,23 € Reel 0,213 € View 0,194 € 0,183 € 0,163 € 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-844 LITEON 1: 1,64 € 24 865In Stock 1 450Expected 07/10/2026	Mfr. Part No. LTV-844 Mouser Part No 859-LTV-844	LITEON	Transistor Output Optocouplers Optocoupler AC in 4-CHNL Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	24 865In Stock 1 450Expected 07/10/2026	1,64 € 0,989 € 0,793 € 0,684 € View 0,65 € 0,641 € 0,627 € 0,582 € Quote	Min.: 1 Mult.: 1		18 us	50 mA	Through Hole	PDIP-16	4 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler AC in 4-CHNL LTV-845S LITEON 1: 1,45 € 13 253In Stock	Mfr. Part No. LTV-845S Mouser Part No 859-LTV-845S	LITEON	Transistor Output Optocouplers Optocoupler AC in 4-CHNL Learn More about LITEON darlington transistor output photocouplers	Datasheet	13 253In Stock	1,45 € 0,903 € 0,72 € 0,618 € View 0,571 € 0,558 € 0,53 € Quote	Min.: 1 Mult.: 1	6 V	300 us	80 mA	SMD/SMT	PDIP-16 Gull Wing	4 Channel	Photodarlington
Transistor Output Optocouplers Optocoupler AC in 4-CHNL LTV-846 LITEON 1: 1,13 € 8 889In Stock 7 975Expected 06/10/2026	Mfr. Part No. LTV-846 Mouser Part No 859-LTV-846	LITEON	Transistor Output Optocouplers Optocoupler AC in 4-CHNL Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	8 889In Stock 7 975Expected 06/10/2026	1,13 € 0,839 € 0,638 € 0,576 € View 0,533 € 0,508 € 0,484 € 0,448 € 0,419 €	Min.: 1 Mult.: 1	6 V	18 us	50 mA	Through Hole	PDIP-16	4 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocplr Phototrans 4-CHNL LTV-849 LITEON 1: 1,02 € 12 645In Stock	Mfr. Part No. LTV-849 Mouser Part No 859-LTV-849	LITEON	Transistor Output Optocouplers Optocplr Phototrans 4-CHNL Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	12 645In Stock	1,02 € 0,634 € 0,533 € 0,452 € View 0,402 € 0,375 € 0,346 €	Min.: 1 Mult.: 1	6 V	4 us	50 mA	Through Hole	PDIP-16	4 Channel	Phototransistor
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3021 LITEON 1: 0,507 € 44 527In Stock 6 565On Order	Mfr. Part No. MOC3021 Mouser Part No 859-MOC3021	LITEON	Triac & SCR Output Optocouplers Optocoupler TRIAC Learn More about LITEON moc30x triac output photocouplers	Datasheet	44 527In Stock 6 565On Order On Order Ship Dates Mfr. No: MOC3021 Stock: 44 527 Can Dispatch Immediately On Order: 325 Expected 07/10/2026 6 240 Expected 22/10/2026 Factory Lead Time: 14 Weeks	0,507 € 0,414 € 0,304 € 0,282 € View 0,263 € 0,243 €	Min.: 1 Mult.: 1				Through Hole	PDIP-6	1 Channel	PhotoTriac
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3021S-TA1 LITEON 1: 0,576 € 11 171In Stock	Mfr. Part No. MOC3021S-TA1 Mouser Part No 859-MOC3021S-TA1	LITEON	Triac & SCR Output Optocouplers Optocoupler TRIAC Learn More about LITEON moc30x triac output photocouplers	Datasheet	11 171In Stock	Cut Tape 0,576 € 0,396 € 0,287 € 0,238 € Reel 0,222 € View 0,201 € 0,188 € 0,184 € 0,166 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000				SMD/SMT	SMD-6 Gull Wing	1 Channel	PhotoTriac