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
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 0,762 € View 0,786 € 0,726 € 0,70 € Quote	Min.: 1 Mult.: 1 : 2 000
Transistor Output Optocouplers PTR 20%, 2.5KV 4N25 LITEON 1: 0,447 € 12 283In Stock	Mfr. Part No. 4N25 Mouser Part No 859-4N25	LITEON	Transistor Output Optocouplers PTR 20%, 2.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	12 283In Stock	0,447 € 0,37 € 0,267 € 0,184 € View 0,181 € 0,126 €	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 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: 0,568 € 6 673In 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	6 673In Stock	0,568 € 0,206 € 0,16 € 0,154 € View 0,147 € 0,142 € 0,141 € 0,126 € 0,12 €	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 247In 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 247In Stock	0,378 € 0,194 € 0,176 € 0,149 € View 0,129 € 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 € 6 289In Stock	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	6 289In Stock	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 € 6 825In Stock	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	6 825In Stock	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 € 9 391In Stock 13 195Expected 26/10/2026	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	9 391In Stock 13 195Expected 26/10/2026	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%, 1.5KV 4N37 LITEON 1: 0,378 € 6 678In Stock	Mfr. Part No. 4N37 Mouser Part No 859-4N37	LITEON	Transistor Output Optocouplers PTR 100%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	6 678In Stock	0,378 € 0,194 € 0,176 € 0,149 € View 0,129 € 0,128 € 0,111 € 0,103 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37M LITEON 1: 0,568 € 5 065In Stock	Mfr. Part No. 4N37M Mouser Part No 859-4N37M	LITEON	Transistor Output Optocouplers PTR 100%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	5 065In Stock	0,568 € 0,372 € 0,249 € 0,171 € View 0,157 € 0,146 € 0,138 € 0,113 € 0,108 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37S LITEON 1: 0,568 € 5 008In Stock	Mfr. Part No. 4N37S Mouser Part No 859-4N37S	LITEON	Transistor Output Optocouplers PTR 100%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	5 008In Stock	0,568 € 0,218 € 0,17 € 0,163 € View 0,16 € 0,154 € 0,138 € 0,129 € 0,124 €	Min.: 1 Mult.: 1	6 V	10 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37S-TA1 LITEON 1: 0,413 € 4 537In Stock	Mfr. Part No. 4N37S-TA1 Mouser Part No 859-4N37S-TA1	LITEON	Transistor Output Optocouplers PTR 100%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	4 537In Stock	Cut Tape 0,413 € 0,286 € 0,205 € 0,166 € Reel 0,153 € View 0,14 € 0,131 € 0,127 € 0,118 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	6 V	10 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
High Speed Optocouplers High Speed 1MBd Transistor Output 6N135 LITEON 1: 0,731 € 4 628In Stock	Mfr. Part No. 6N135 Mouser Part No 859-6N135	LITEON	High Speed Optocouplers High Speed 1MBd Transistor Output Learn More about LITEON 1mbd transistor output photocoouplers	Datasheet	4 628In Stock	0,731 € 0,509 € 0,372 € 0,311 € View 0,274 € 0,256 € 0,244 € 0,231 €	Min.: 1 Mult.: 1	5 V		8 mA	Through Hole	PDIP-8	1 Channel	Photodarlington
High Speed Optocouplers High Speed 1MBd Transistor Output 6N135S LITEON 1: 0,783 € 3 609In Stock	Mfr. Part No. 6N135S Mouser Part No 859-6N135S	LITEON	High Speed Optocouplers High Speed 1MBd Transistor Output Learn More about LITEON 1mbd transistor output photocoouplers	Datasheet	3 609In Stock	0,783 € 0,544 € 0,333 € 0,305 € View 0,296 € 0,288 € 0,273 € 0,261 € 0,255 €	Min.: 1 Mult.: 1	5 V		8 mA	SMD/SMT	SMD-8	1 Channel	Phototransistor
High Speed Optocouplers High Speed 1MBd Transistor Output 6N136 LITEON 1: 0,774 € 3 969In Stock 2 800On Order	Mfr. Part No. 6N136 Mouser Part No 859-6N136	LITEON	High Speed Optocouplers High Speed 1MBd Transistor Output Learn More about LITEON 1mbd transistor output photocoouplers	Datasheet	3 969In Stock 2 800On Order	0,774 € 0,604 € 0,446 € 0,366 € View 0,341 € 0,326 € 0,31 € 0,287 € 0,269 €	Min.: 1 Mult.: 1	5 V		8 mA	Through Hole	PDIP-8	1 Channel	Photodarlington
High Speed Optocouplers High Speed 1MBd Transistor Output 6N136S LITEON 1: 0,783 € 44In Stock 2 000Expected 25/01/2027	Mfr. Part No. 6N136S Mouser Part No 859-6N136S	LITEON	High Speed Optocouplers High Speed 1MBd Transistor Output Learn More about LITEON 1mbd transistor output photocoouplers	Datasheet	44In Stock 2 000Expected 25/01/2027	0,783 € 0,413 € 0,321 € 0,314 €	Min.: 1 Mult.: 1	5 V		8 mA	SMD/SMT	SMD-8	1 Channel	Phototransistor
High Speed Optocouplers High Speed 10MBd LogicGate Output 6N137M LITEON 1: 0,903 € 2 543In Stock	Mfr. Part No. 6N137M Mouser Part No 859-6N137M	LITEON	High Speed Optocouplers High Speed 10MBd LogicGate Output Learn More about LITEON 10mbd logic gate 15mbd cmos photocouplers	Datasheet	2 543In Stock	0,903 € 0,626 € 0,454 € 0,372 € View 0,347 € 0,292 € 0,28 € 0,273 €	Min.: 1 Mult.: 1	5 V	50 ns	50 mA	Through Hole	PDIP-8	1 Channel	Open Collector
High Speed Optocouplers Darlington 100KBd Transistor Output 6N138M LITEON 1: 0,74 € 54In Stock 2 000Expected 15/02/2027	Mfr. Part No. 6N138M Mouser Part No 859-6N138M	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	54In Stock 2 000Expected 15/02/2027	0,74 € 0,516 € 0,378 € 0,316 € View 0,279 € 0,273 € 0,26 € 0,246 € 0,234 €	Min.: 1 Mult.: 1	5 V			Through Hole	PDIP-8	1 Channel	Photodarlington
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139M LITEON 1: 0,74 € 1 465In Stock	Mfr. Part No. 6N139M Mouser Part No 859-6N139M	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	1 465In Stock	0,74 € 0,516 € 0,378 € 0,316 € View 0,279 € 0,276 € 0,26 € 0,248 € 0,235 €	Min.: 1 Mult.: 1	5 V			Through Hole	PDIP-8	1 Channel	Photodarlington
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139S LITEON 1: 0,783 € 3 440In Stock 2 000Expected 05/05/2027	Mfr. Part No. 6N139S Mouser Part No 859-6N139S	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	3 440In Stock 2 000Expected 05/05/2027	0,783 € 0,437 € 0,347 € 0,342 € View 0,273 € 0,264 € 0,257 €	Min.: 1 Mult.: 1	5 V	60 us		SMD/SMT	SMD-8	1 Channel	Photodarlington
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139S-TA1 LITEON 1: 0,757 € 576In Stock 5 000Expected 18/02/2027	Mfr. Part No. 6N139S-TA1 Mouser Part No 859-6N139STA1	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	576In Stock 5 000Expected 18/02/2027	Cut Tape 0,757 € 0,53 € 0,389 € 0,326 € Reel 0,304 € View 0,278 € 0,261 € 0,253 € 0,246 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	5 V			SMD/SMT	SMD-8	1 Channel	Photodarlington