Optocouplers/Photocouplers

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General-Purpose Phototransistor Photocouplers

LITEON General-Purpose Phototransistor Photocouplers are designed to provide reliable optical isolation and signal transmission in a wide range of electronic applications. These LITEON devices feature a phototransistor output that enables effective switching and signal coupling between input and output circuits while maintaining electrical isolation of up to 5000V_RMS. With current transfer ratios (CTR) typically ranging from 20% to over 320%, and options for single or dual-channel configurations, the photocouplers are well-suited for use in microprocessor interfaces, control systems, and data communication circuits. Many models offer compact DIP or SOP packaging, wide operating temperature ranges, and compliance with international safety standards such as UL and VDE. The versatility, cost-effectiveness, and robust performance make these components ideal for both consumer electronics and industrial automation systems.

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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 PTR 10%, 1.5KV 4N27S-TA LITEON 1: 0,542 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 4N27S-TA Mouser Part No 859-4N27S-TA	LITEON	Transistor Output Optocouplers PTR 10%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,542 € 0,357 € 0,238 € 0,17 € Reel 0,144 € View 0,14 € 0,132 € 0,123 € 0,112 €	Min.: 1 Mult.: 1 : 1.000	6 V		100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 10%, 0.5KV 4N28S-TA LITEON 10.000: 0,123 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 4N28S-TA Mouser Part No 859-4N28S-TA	LITEON	Transistor Output Optocouplers PTR 10%, 0.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,123 € 0,112 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V		100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers PTR 100%, 3.5KV 4N35S-TA LITEON 1: 0,404 € Lead-Time 12 Weeks	Mfr. Part No. 4N35S-TA Mouser Part No 859-4N35S-TA	LITEON	Transistor Output Optocouplers PTR 100%, 3.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Lead-Time 12 Weeks	Cut Tape 0,404 € 0,278 € 0,199 € 0,163 € Reel 0,15 € View 0,135 € 0,126 € 0,117 € 0,112 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	6 V	10 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers P/C 4N35S-TA1-AD TAPING TYPE II 4N35S-TA1-AD LITEON 1: 0,413 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 4N35S-TA1-AD Mouser Part No 859-4N35S-TA1-AD	LITEON	Transistor Output Optocouplers P/C 4N35S-TA1-AD TAPING TYPE II Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,413 € 0,271 € 0,181 € 0,13 € Reel 0,109 € View 0,107 € 0,10 € 0,094 € 0,085 €	Min.: 1 Mult.: 1 : 1.000	6 V	10 us	10 mA	SMD/SMT	SMD-6	1 Channel	Phototransistor
Transistor Output Optocouplers P/C 4N35S-TA1-DL TAPING TYPE II 4N35S-TA1-DL LITEON 1: 0,636 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 4N35S-TA1-DL Mouser Part No 859-4N35S-TA1-DL	LITEON	Transistor Output Optocouplers P/C 4N35S-TA1-DL TAPING TYPE II Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,636 € 0,432 € 0,307 € 0,262 € Reel 0,222 € View 0,218 € 0,202 € 0,188 € 0,174 €	Min.: 1 Mult.: 1 : 1.000	6 V	10 us	10 mA	SMD/SMT	SMD-6	1 Channel	Phototransistor
Transistor Output Optocouplers PTR 100%, 1.5KV 4N37S-TA LITEON 1: 0,542 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 4N37S-TA Mouser Part No 859-4N37S-TA	LITEON	Transistor Output Optocouplers PTR 100%, 1.5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,542 € 0,357 € 0,238 € 0,17 € Reel 0,144 € View 0,14 € 0,121 € 0,115 € 0,108 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	6 V	10 us	100 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers HCEV, 40%, 5KV CNY17-1S-TA LITEON 10.000: 0,134 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17-1S-TA Mouser Part No 859-CNY17-1S-TA	LITEON	Transistor Output Optocouplers HCEV, 40%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,134 € 0,122 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	10 us	150 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN CNY17-2S-TA LITEON 10.000: 0,134 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17-2S-TA Mouser Part No 859-CNY17-2S-TA	LITEON	Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,134 € 0,122 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	10 us	150 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers HCEV, 160%, 5KV CNY17-4S-TA LITEON 10.000: 0,134 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17-4S-TA Mouser Part No 859-CNY17-4S-TA	LITEON	Transistor Output Optocouplers HCEV, 160%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,134 € 0,122 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	10 us	150 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers P/C CNY17F-1M-V WIDE BODY TYPE VDE CNY17F-1M-V LITEON 1: 0,645 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17F-1M-V Mouser Part No 859-CNY17F-1M-V	LITEON	Transistor Output Optocouplers P/C CNY17F-1M-V WIDE BODY TYPE VDE Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	0,645 € 0,423 € 0,282 € 0,195 € View 0,179 € 0,166 € 0,157 € 0,146 € 0,133 €	Min.: 1 Mult.: 1	6 V	10 us	150 mA	SMD/SMT	SMD-6	1 Channel	Phototransistor
Transistor Output Optocouplers HCEV, 40%, 5KV CNY17F-1S-TA LITEON 10.000: 0,116 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17F-1S-TA Mouser Part No 859-CNY17F-1S-TA	LITEON	Transistor Output Optocouplers HCEV, 40%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,116 € 0,115 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	10 us	150 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers HCEV, 63%, 5KV CNY17F-2S-TA LITEON 10.000: 0,131 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17F-2S-TA Mouser Part No 859-CNY17F-2S-TA	LITEON	Transistor Output Optocouplers HCEV, 63%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,131 € 0,12 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	10 us	150 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers HCEV, 100%, 5KV CNY17F-3S-TA LITEON 10.000: 0,131 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. CNY17F-3S-TA Mouser Part No 859-CNY17F-3S-TA	LITEON	Transistor Output Optocouplers HCEV, 100%, 5KV Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,131 € 0,12 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	10 us	150 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers P/C LTV-0213S-TA-PN TAPPING TYPE I LTV-0213S-TA-PN LITEON 6.000: 0,339 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-0213S-TA-PN Mouser Part No 859-LTV-0213S-TA-PN	LITEON	Transistor Output Optocouplers P/C LTV-0213S-TA-PN TAPPING TYPE I Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,339 € 0,313 € 0,293 €	Min.: 6.000 Mult.: 1.000 : 1.000
Transistor Output Optocouplers SO8 20% 3.75KV 2CH Optocoupler LTV-200 LITEON 4.000: 0,405 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-200 Mouser Part No 859-LTV-200	LITEON	Transistor Output Optocouplers SO8 20% 3.75KV 2CH Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,405 € 0,375 € 0,351 €	Min.: 4.000 Mult.: 2.000 : 2.000	6 V	3 us		SMD/SMT	SOP-8	2 Channel	NPN Phototransistor
Transistor Output Optocouplers SO8 40-80% 3.75KV 2CH Optocoupler LTV-205 LITEON 4.000: 0,405 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-205 Mouser Part No 859-LTV-205	LITEON	Transistor Output Optocouplers SO8 40-80% 3.75KV 2CH Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,405 € 0,375 € 0,351 €	Min.: 4.000 Mult.: 2.000 : 2.000				SMD/SMT	SOP-8	2 Channel	Phototransistor
Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, AC INPUT, PTR OUTPUT, 2.0MM, T/R LTV-354T-B LITEON 1: 0,542 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-354T-B Mouser Part No 859-LTV-354T-B	LITEON	Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, AC INPUT, PTR OUTPUT, 2.0MM, T/R Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,542 € 0,366 € 0,26 € 0,215 € Reel 0,184 € View 0,197 € 0,171 € 0,159 € 0,147 €	Min.: 1 Mult.: 1 : 3.000		18 us	50 mA	SMD/SMT	MFP-4	1 Channel
Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, AC INPUT, PTR OUTPUT, 2.0MM, T/R LTV-354T-D LITEON 6.000: 0,171 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-354T-D Mouser Part No 859-LTV-354T-D	LITEON	Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, AC INPUT, PTR OUTPUT, 2.0MM, T/R Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,171 € 0,159 € 0,147 €	Min.: 6.000 Mult.: 3.000 : 3.000		18 us	50 mA	SMD/SMT	MFP-4	1 Channel
Transistor Output Optocouplers P/C LTV-356T-G STD. TYPE LTV-356T-G LITEON 1: 0,525 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-356T-G Mouser Part No 859-LTV-356T-G	LITEON	Transistor Output Optocouplers P/C LTV-356T-G STD. TYPE Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,525 € 0,343 € 0,23 € 0,159 € Reel 0,138 € View 0,146 € 0,128 € 0,123 € 0,101 €	Min.: 1 Mult.: 1 : 3.000	6 V	4 us	50 mA	SMD/SMT	SMD-4	1 Channel	NPN Phototransistor
Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, STD, PTR OUTPUT, 2.0MM, T/R LTV-358T-A LITEON 6.000: 0,183 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-358T-A Mouser Part No 859-LTV-358T-A	LITEON	Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, STD, PTR OUTPUT, 2.0MM, T/R Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,183 € 0,17 € 0,157 €	Min.: 6.000 Mult.: 3.000 : 3.000	6 V	18 us	50 mA	SMD/SMT	SOP-4	1 Channel
Transistor Output Optocouplers P/C LTV-358T-B STD. TYPE LTV-358T-B LITEON 6.000: 0,183 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-358T-B Mouser Part No 859-LTV-358T-B	LITEON	Transistor Output Optocouplers P/C LTV-358T-B STD. TYPE Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,183 € 0,17 € 0,157 €	Min.: 6.000 Mult.: 3.000 : 3.000	6 V	18 us	50 mA	SMD/SMT	SOP-4	1 Channel
Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, STD, PTR OUTPUT, 2.0MM, T/R LTV-358T-D LITEON 6.000: 0,183 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-358T-D Mouser Part No 859-LTV-358T-D	LITEON	Transistor Output Optocouplers OPTOCOUPLER, MINI-FLAT, 4 PIN, STD, PTR OUTPUT, 2.0MM, T/R Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,183 € 0,17 € 0,157 €	Min.: 6.000 Mult.: 3.000 : 3.000	6 V	18 us	50 mA	SMD/SMT	SOP-4	1 Channel
Transistor Output Optocouplers Optocoupler LTV-702FS-TA LITEON 1: 0,542 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-702FS-TA Mouser Part No 859-LTV-702FS-TA	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	0,542 € 0,357 € 0,237 € 0,164 € View 0,151 € 0,14 € 0,132 € 0,123 € 0,112 €	Min.: 1 Mult.: 1	6 V	7 us	50 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler LTV-702VS-TA LITEON 10.000: 0,123 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-702VS-TA Mouser Part No 859-LTV-702VS-TA	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 0,123 € 0,112 €	Min.: 10.000 Mult.: 1.000 : 1.000	6 V	7 us	50 mA	SMD/SMT	PDIP-6 Gull Wing	1 Channel	NPN Phototransistor
Transistor Output Optocouplers Optocoupler LTV-733M LITEON 5.005: 0,224 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LTV-733M Mouser Part No 859-LTV-733M	LITEON	Transistor Output Optocouplers Optocoupler Learn More about LITEON general purpose phototransistor photocouplers	Datasheet	Non-Stocked Lead-Time 12 Weeks	0,224 € 0,208 € 0,193 €	Min.: 5.005 Mult.: 65		18 us	50 mA	Through Hole	PDIP-6	1 Channel	NPN Phototransistor