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Optocoupler Phototransistors

Würth Elektronik Optocoupler Phototransistors feature 5kV isolation voltage, fast switching time, and good stability of inner isolation. The WL-OCPT series provides an IR LED and phototransistor in one package. These modules offer a stable current transfer ratio (CTR) in a full operating temperature range with different CTR binnings available. Würth Elektronik Optocoupler Phototransistors are ideal for power supplies, office equipment, instrumental applications, computers, and microprocessors.

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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.
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140105146000 Wurth Elektronik 1: 0,249 € 1.359In Stock 3.000Expected 11/13/2026	Mfr. Part No. 140105146000 Mouser Part No 710-140105146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.359In Stock 3.000Expected 11/13/2026	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140106146000 Wurth Elektronik 1: 0,249 € 4.436In Stock	Mfr. Part No. 140106146000 Mouser Part No 710-140106146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4.436In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140107146000 Wurth Elektronik 1: 0,249 € 2.991In Stock	Mfr. Part No. 140107146000 Mouser Part No 710-140107146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.991In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140108146000 Wurth Elektronik 1: 0,249 € 3.810In Stock	Mfr. Part No. 140108146000 Mouser Part No 710-140108146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	3.810In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140109146000 Wurth Elektronik 1: 0,249 € 4.048In Stock	Mfr. Part No. 140109146000 Mouser Part No 710-140109146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4.048In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140354245100 Wurth Elektronik 1: 0,335 € 3.432In Stock 6.000Expected 1/19/2027	Mfr. Part No. 140354245100 Mouser Part No 710-140354245100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	3.432In Stock 6.000Expected 1/19/2027	Cut Tape 0,335 € 0,296 € 0,272 € 0,248 € 0,237 € Reel 0,224 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145200 Wurth Elektronik 1: 0,335 € 4.648In Stock	Mfr. Part No. 140356145200 Mouser Part No 710-140356145200	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4.648In Stock	Cut Tape 0,335 € 0,296 € 0,272 € 0,248 € 0,237 € Reel 0,224 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145400 Wurth Elektronik 1: 0,335 € 5.120In Stock	Mfr. Part No. 140356145400 Mouser Part No 710-140356145400	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5.120In Stock	Cut Tape 0,335 € 0,296 € 0,272 € 0,248 € 0,237 € Reel 0,224 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140357145000 Wurth Elektronik 1: 0,249 € 5.602In Stock	Mfr. Part No. 140357145000 Mouser Part No 710-140357145000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5.602In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140357145100 Wurth Elektronik 1: 0,249 € 2.980In Stock	Mfr. Part No. 140357145100 Mouser Part No 710-140357145100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.980In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140357145200 Wurth Elektronik 1: 0,249 € 754In Stock 3.000Expected 10/22/2026	Mfr. Part No. 140357145200 Mouser Part No 710-140357145200	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	754In Stock 3.000Expected 10/22/2026	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140357145300 Wurth Elektronik 1: 0,249 € 2.534In Stock 3.000Expected 11/20/2026	Mfr. Part No. 140357145300 Mouser Part No 710-140357145300	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.534In Stock 3.000Expected 11/20/2026	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140357145400 Wurth Elektronik 1: 0,249 € 2.047In Stock 6.000Expected 11/6/2026	Mfr. Part No. 140357145400 Mouser Part No 710-140357145400	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.047In Stock 6.000Expected 11/6/2026	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140814240010 Wurth Elektronik 1: 0,318 € 190In Stock	Mfr. Part No. 140814240010 Mouser Part No 710-140814240010	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	190In Stock	0,318 € 0,281 € 0,259 € 0,236 € 0,224 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140814243000 Wurth Elektronik 1: 0,335 € 1.034In Stock	Mfr. Part No. 140814243000 Mouser Part No 710-140814243000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.034In Stock	Cut Tape 0,335 € 0,296 € 0,272 € 0,248 € 0,237 € Reel 0,224 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140110 Wurth Elektronik 1: 0,31 € 142In Stock	Mfr. Part No. 140816140110 Mouser Part No 710-140816140110	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	142In Stock	0,31 € 0,282 € 0,251 € 0,22 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140210 Wurth Elektronik 1: 0,31 € 158In Stock	Mfr. Part No. 140816140210 Mouser Part No 710-140816140210	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	158In Stock	0,31 € 0,282 € 0,251 € 0,22 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140410 Wurth Elektronik 1: 0,31 € 959In Stock	Mfr. Part No. 140816140410 Mouser Part No 710-140816140410	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	959In Stock	0,31 € 0,282 € 0,251 € 0,22 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141010 Wurth Elektronik 1: 0,31 € 149In Stock	Mfr. Part No. 140816141010 Mouser Part No 710-140816141010	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	149In Stock	0,31 € 0,282 € 0,251 € 0,22 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141210 Wurth Elektronik 1: 0,31 € 462In Stock	Mfr. Part No. 140816141210 Mouser Part No 710-140816141210	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	462In Stock	0,31 € 0,282 € 0,251 € 0,22 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141310 Wurth Elektronik 1: 0,31 € 166In Stock	Mfr. Part No. 140816141310 Mouser Part No 710-140816141310	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	166In Stock	0,31 € 0,282 € 0,251 € 0,22 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type 140816142000 Wurth Elektronik 1: 0,327 € 879In Stock	Mfr. Part No. 140816142000 Mouser Part No 710-140816142000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	879In Stock	Cut Tape 0,327 € 0,297 € 0,264 € 0,231 € Reel 0,178 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type 140816142100 Wurth Elektronik 1: 0,327 € 1.031In Stock	Mfr. Part No. 140816142100 Mouser Part No 710-140816142100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.031In Stock	Cut Tape 0,327 € 0,297 € 0,264 € 0,231 € Reel 0,178 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140816143000 Wurth Elektronik 1: 0,327 € 646In Stock	Mfr. Part No. 140816143000 Mouser Part No 710-140816143000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	646In Stock	Cut Tape 0,327 € 0,297 € 0,264 € 0,231 € Reel 0,178 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140816143200 Wurth Elektronik 1: 0,327 € 252In Stock	Mfr. Part No. 140816143200 Mouser Part No 710-140816143200	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	252In Stock	Cut Tape 0,327 € 0,297 € 0,264 € 0,231 € Reel 0,178 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500

Optocoupler Phototransistors

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