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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35M LITEON 1: $0.49 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	$0.49 $0.254 $0.23 $0.195 View $0.169 $0.16 $0.138 $0.129	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35S LITEON 1: $0.661 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	$0.661 $0.24 $0.186 $0.179 View $0.174 $0.164 $0.154 $0.14	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35S-TA1 LITEON 1: $0.47 1,356In Stock 28,000On Order	Mfr. Part No. 4N35S-TA1 Mouser Part No 859-4N35S-TA1	LITEON	Transistor Output Optocouplers PTR 100%, 3.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	1,356In Stock 28,000On Order On Order Ship Dates Mfr. No: 4N35S-TA1 Stock: 1,356 Can Dispatch Immediately On Order: 13,000 Expected 2026/10/15 15,000 Expected 2026/11/26 Factory Lead Time: 14 Weeks	Cut Tape $0.47 $0.32 $0.229 $0.188 Reel $0.171 View $0.156 $0.145 $0.141 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37 LITEON 1: $0.44 7,138In 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	7,138In Stock	$0.44 $0.226 $0.205 $0.173 View $0.15 $0.149 $0.129 $0.12	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37M LITEON 1: $0.661 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	$0.661 $0.433 $0.29 $0.199 View $0.183 $0.17 $0.16 $0.135 $0.128	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37S LITEON 1: $0.661 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	$0.661 $0.254 $0.198 $0.19 View $0.186 $0.179 $0.16 $0.15 $0.144	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37S-TA1 LITEON 1: $0.48 5,487In 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	5,487In Stock	Cut Tape $0.48 $0.333 $0.238 $0.193 Reel $0.178 View $0.163 $0.152 $0.148 $0.137 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
High Speed Optocouplers High Speed 1MBd Transistor Output 6N135 LITEON 1: $0.88 901In Stock 3,200Expected 2026/10/12	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	901In Stock 3,200Expected 2026/10/12	$0.88 $0.611 $0.437 $0.363 View $0.334 $0.32 $0.298	Min.: 1 Mult.: 1
High Speed Optocouplers High Speed 1MBd Transistor Output 6N135S LITEON 1: $0.911 3,709In 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	3,709In Stock	$0.911 $0.633 $0.387 $0.355 View $0.344 $0.335 $0.317 $0.304 $0.297	Min.: 1 Mult.: 1
High Speed Optocouplers High Speed 1MBd Transistor Output 6N136 LITEON 1: $0.90 4,316In Stock 2,800Expected 2026/11/16	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	4,316In Stock 2,800Expected 2026/11/16	$0.90 $0.702 $0.519 $0.426 View $0.397 $0.379 $0.361 $0.334 $0.313	Min.: 1 Mult.: 1
High Speed Optocouplers High Speed 1MBd Transistor Output 6N136S LITEON 1: $0.911 664In Stock 2,000Expected 2027/01/25	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	664In Stock 2,000Expected 2027/01/25	$0.911 $0.48 $0.381 $0.365 View $0.34 $0.317 $0.311 $0.30 $0.293	Min.: 1 Mult.: 1
High Speed Optocouplers High Speed 10MBd LogicGate Output 6N137M LITEON 1: $1.05 2,565In 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	2,565In Stock	$1.05 $0.728 $0.528 $0.433 View $0.404 $0.34 $0.326 $0.317	Min.: 1 Mult.: 1
High Speed Optocouplers Darlington 100KBd Transistor Output 6N138 LITEON 1: $0.90 9,963In Stock	Mfr. Part No. 6N138 Mouser Part No 859-6N138	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	9,963In Stock	$0.90 $0.642 $0.465 $0.381 View $0.356 $0.34 $0.322 $0.299 $0.28	Min.: 1 Mult.: 1
High Speed Optocouplers Darlington 100KBd Transistor Output 6N138M LITEON 1: $0.861 55In Stock 2,000Expected 2027/01/22	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	55In Stock 2,000Expected 2027/01/22	$0.861 $0.60 $0.44 $0.368 View $0.324 $0.317 $0.302 $0.286 $0.272	Min.: 1 Mult.: 1
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139 LITEON 1: $0.85 11,306In Stock	Mfr. Part No. 6N139 Mouser Part No 859-6N139	LITEON	High Speed Optocouplers Darlington 100KBd Transistor Output Learn More about LITEON 100kbd darlington output photocouplers	Datasheet	11,306In Stock	$0.85 $0.592 $0.43 $0.358 View $0.319 $0.298 $0.283 $0.269	Min.: 1 Mult.: 1
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139M LITEON 1: $0.861 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	$0.861 $0.60 $0.44 $0.368 View $0.324 $0.321 $0.302 $0.288 $0.273	Min.: 1 Mult.: 1
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139S LITEON 1: $0.911 3,500In Stock	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	3,500In Stock	$0.911 $0.508 $0.404 $0.348 View $0.326 $0.317 $0.304 $0.285	Min.: 1 Mult.: 1
High Speed Optocouplers Darlington 100KBd Transistor Output 6N139S-TA1 LITEON 1: $0.88 3,576In Stock	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	3,576In Stock	Cut Tape $0.88 $0.616 $0.452 $0.379 Reel $0.354 View $0.323 $0.304 $0.294 $0.286 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers HCEV, 40%, 5KV CNY17-1 LITEON 1: $0.79 3,885In Stock	Mfr. Part No. CNY17-1 Mouser Part No 859-CNY17-1	LITEON	Transistor Output Optocouplers HCEV, 40%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	3,885In Stock	$0.79 $0.421 $0.33 $0.272 View $0.197 $0.184 $0.167	Min.: 1 Mult.: 1
Transistor Output Optocouplers HCEV, 40%, 5KV CNY17-1M LITEON 1: $0.75 25In Stock	Mfr. Part No. CNY17-1M Mouser Part No 859-CNY17-1M	LITEON	Transistor Output Optocouplers HCEV, 40%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	25In Stock	$0.75 $0.491 $0.327 $0.226 View $0.208 $0.193 $0.16 $0.149 $0.143	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN CNY17-2 LITEON 1: $0.48 4,394In Stock	Mfr. Part No. CNY17-2 Mouser Part No 859-CNY17-2	LITEON	Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	4,394In Stock	$0.48 $0.254 $0.229 $0.194 View $0.169 $0.156 $0.142 $0.133	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN CNY17-2M LITEON 1: $0.75 18In Stock	Mfr. Part No. CNY17-2M Mouser Part No 859-CNY17-2M	LITEON	Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	18In Stock	$0.75 $0.491 $0.327 $0.226 View $0.208 $0.193 $0.16 $0.149 $0.143	Min.: 1 Mult.: 1
Transistor Output Optocouplers HCEV, 100%, 5KV CNY17-3 LITEON 1: $0.73 3,776In Stock	Mfr. Part No. CNY17-3 Mouser Part No 859-CNY17-3	LITEON	Transistor Output Optocouplers HCEV, 100%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	3,776In Stock	$0.73 $0.476 $0.317 $0.219 View $0.201 $0.187 $0.176 $0.165 $0.15	Min.: 1 Mult.: 1
Transistor Output Optocouplers HCEV, 100%, 5KV CNY17-3S LITEON 1: $0.75 5,678In Stock	Mfr. Part No. CNY17-3S Mouser Part No 859-CNY17-3S	LITEON	Transistor Output Optocouplers HCEV, 100%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	5,678In Stock	$0.75 $0.266 $0.207 $0.199 View $0.191 $0.184 $0.181 $0.158	Min.: 1 Mult.: 1
Transistor Output Optocouplers HCEV, 160%, 5KV CNY17-4 LITEON 1: $0.811 6,377In Stock 6,825Expected 2026/10/13	Mfr. Part No. CNY17-4 Mouser Part No 859-CNY17-4	LITEON	Transistor Output Optocouplers HCEV, 160%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	6,377In Stock 6,825Expected 2026/10/13	$0.811 $0.443 $0.354 $0.245 View $0.226 $0.209 $0.197 $0.184 $0.167	Min.: 1 Mult.: 1

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