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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 P/C LTV-816S-TA1-D TAPPING TYPE II LTV-816S-TA1-D LITEON 1: $0.40 12,900In Stock 12,000Expected 2026/12/28	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 2026/12/28	Cut Tape $0.40 $0.276 $0.197 $0.16 Reel $0.147 View $0.133 $0.123 $0.119 $0.109 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-TA1-A LITEON 1: $0.40 2,959In Stock 5,000Expected 2026/11/02	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 2026/11/02	Cut Tape $0.40 $0.276 $0.197 $0.16 Reel $0.141 View $0.13 $0.122 $0.117 $0.109 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-TA1-B LITEON 1: $0.43 487In Stock 10,000Expected 2026/12/15	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 2026/12/15	Cut Tape $0.43 $0.292 $0.208 $0.169 Reel $0.145 View $0.134 $0.126 $0.119 $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT LTV-817S-TA1-C LITEON 1: $0.43 5,580In 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	5,580In Stock	Cut Tape $0.43 $0.292 $0.208 $0.169 Reel $0.144 View $0.134 $0.123 $0.113 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Optocoupler LTV-826S-TA LITEON 1: $0.57 10,920In Stock	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	10,920In Stock	Cut Tape $0.57 $0.395 $0.285 $0.235 Reel $0.217 View $0.197 $0.184 $0.176 $0.17 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers Optocoupler AC in 4-CHNL LTV-844HS LITEON 1: $1.60 750In 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	750In Stock	$1.60 $1.02 $0.861 $0.737 View $0.663 $0.622 $0.597 $0.576	Min.: 1 Mult.: 1
Transistor Output Optocouplers Optocoupler LTV-852S-TA1 LITEON 1: $0.911 283In 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	283In Stock	Cut Tape $0.911 $0.633 $0.459 $0.383 Reel $0.344 View $0.319 $0.298 $0.279	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers P/C LTV356TB-V STD. TYPE (VDE) LTV356TB-V LITEON 1: $0.37 118In Stock 9,000On Order	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	118In Stock 9,000On Order On Order Ship Dates Mfr. No: LTV356TB-V Stock: 118 Can Dispatch Immediately On Order: 3,000 Expected 2026/10/26 6,000 Expected 2026/12/15 Factory Lead Time: 12 Weeks	Cut Tape $0.37 $0.254 $0.18 $0.147 Reel $0.121 View $0.136 $0.11 $0.104 $0.099 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers P/C LTV826STA1-V TAPPING TYPE II, VDE LTV826STA1-V LITEON 1: $0.761 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 $0.761 $0.529 $0.386 $0.322 Reel $0.30 View $0.273 $0.252 $0.24 $0.233	Min.: 1 Mult.: 1 : 1,000
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3020 LITEON 1: $0.72 7,856In 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	7,856In Stock	$0.72 $0.555 $0.393 $0.34 View $0.242 $0.224	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3020S LITEON 1: $0.65 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	$0.65 $0.344 $0.314 $0.267 View $0.235 $0.217 $0.201 $0.19	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3020S-TA LITEON 1: $0.661 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 $0.661 $0.458 $0.333 $0.276 Reel $0.256 View $0.233 $0.217 $0.212 $0.204 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triac & SCR Output Optocouplers Optocoupler TRIAC MOC3023S-TA LITEON 1: $0.68 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 $0.68 $0.47 $0.341 $0.283 Reel $0.258 View $0.236 $0.221 $0.205 $0.197 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triac & SCR Output Optocouplers 10MBd, dual, open-drain LITEON LTV-063L LTV-063L LITEON 1: $2.04 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 $2.04 $1.47 $1.11 $0.957 Reel $0.864 View $0.908 $0.811 $0.79	Min.: 1 Mult.: 1 : 2,000
LITEON 10MBd, bipolar LITEON LTV-60LW-TA1 LTV-60LW-TA1 LITEON 1: $1.16 3,970In Stock New At Mouser	Mfr. Part No. LTV-60LW-TA1 Mouser Part No 859-LTV-60LW-TA1 New At Mouser	LITEON	LITEON 10MBd, bipolar Learn More about LITEON lite on optocouplers		3,970In Stock	Cut Tape $1.16 $0.811 $0.602 $0.509 Reel $0.477 View $0.445 $0.422 $0.404 $0.397	Min.: 1 Mult.: 1 : 1,000
LITEON 10MBd, open-drain LITEON LTV-M601-H LTV-M601-H LITEON 1: $1.24 6,000In Stock New At Mouser	Mfr. Part No. LTV-M601-H Mouser Part No 859-LTV-M601-H New At Mouser	LITEON	LITEON 10MBd, open-drain Learn More about LITEON lite on optocouplers		6,000In Stock	Cut Tape $1.24 $0.872 $0.648 $0.549 Reel $0.473 View $0.516 $0.452 $0.421 $0.409	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers PTR 20%, 2.5KV 4N25M LITEON 1: $0.461 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	$0.461 $0.24 $0.217 $0.184 View $0.159 $0.143 $0.135 $0.126	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 20%, 2.5KV 4N25S LITEON 1: $0.55 6,925In 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	6,925In Stock	$0.55 $0.24 $0.186 $0.179 View $0.171 $0.166 $0.154 $0.148	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 20%, 2.5KV 4N26 LITEON 1: $0.44 5,640In 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	5,640In Stock	$0.44 $0.226 $0.205 $0.167 View $0.15 $0.147 $0.138 $0.131 $0.122	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 20%, 2.5KV 4N26M LITEON 1: $0.661 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	$0.661 $0.433 $0.29 $0.199 View $0.183 $0.17 $0.14 $0.131 $0.126	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 20%, 2.5KV 4N26S LITEON 1: $0.461 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	$0.461 $0.24 $0.217 $0.184 View $0.183 $0.17 $0.16 $0.136 $0.127	Min.: 1 Mult.: 1
Transistor Output Optocouplers CTR 10%, 1.5KV 4N27 LITEON 1: $0.44 249In Stock 6,240Expected 2026/10/06	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 2026/10/06	$0.44 $0.226 $0.205 $0.169 View $0.15 $0.147 $0.133 $0.127 $0.119	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 20%, 1.5KV 4N27M LITEON 1: $0.661 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	$0.661 $0.433 $0.29 $0.199 View $0.183 $0.17 $0.14 $0.133 $0.122	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 10%, 0.5KV 4N28 LITEON 1: $0.44 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	$0.44 $0.226 $0.205 $0.173 View $0.15 $0.135 $0.128 $0.12	Min.: 1 Mult.: 1
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35 LITEON 1: $0.64 12,573In Stock 13,195Expected 2026/10/26	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 2026/10/26	$0.64 $0.354 $0.276 $0.192 View $0.176 $0.164 $0.154 $0.144 $0.131	Min.: 1 Mult.: 1

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