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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Single Color LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D 153283367A212 Wurth Elektronik 1: ¥63.1 13,030In Stock	Mfr. Part # 153283367A212 Mouser Part # 710-153283367A212	Wurth Elektronik	Single Color LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	13,030In Stock	Cut Tape ¥63.1 ¥56.5 ¥51.5 ¥48.2 View Reel ¥33.7 ¥35.7 ¥33.7 ¥33.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Single Color LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 153283397A212 Wurth Elektronik 1: ¥106.3 5,324In Stock	Mfr. Part # 153283397A212 Mouser Part # 710-153283397A212	Wurth Elektronik	Single Color LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5,324In Stock	Cut Tape ¥106.3 ¥96.3 ¥88 ¥76.4 View Reel ¥64.8 ¥68.1 ¥64.8 ¥64.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140105146000 Wurth Elektronik 1: ¥48.2 1,359In Stock 3,000Expected 11/20/2026	Mfr. Part # 140105146000 Mouser Part # 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 11/20/2026	Cut Tape ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140106146000 Wurth Elektronik 1: ¥48.2 4,306In Stock	Mfr. Part # 140106146000 Mouser Part # 710-140106146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4,306In Stock	Cut Tape ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140107146000 Wurth Elektronik 1: ¥48.2 2,991In Stock	Mfr. Part # 140107146000 Mouser Part # 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 ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140108146000 Wurth Elektronik 1: ¥48.2 3,810In Stock	Mfr. Part # 140108146000 Mouser Part # 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 ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140109146000 Wurth Elektronik 1: ¥48.2 4,048In Stock	Mfr. Part # 140109146000 Mouser Part # 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 ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 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: ¥64.8 3,100In Stock 6,000Expected 1/22/2027	Mfr. Part # 140354245100 Mouser Part # 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	3,100In Stock 6,000Expected 1/22/2027	Cut Tape ¥64.8 ¥57.1 ¥52.5 ¥47.8 ¥45.8 Reel ¥43.4 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: ¥64.8 4,648In Stock	Mfr. Part # 140356145200 Mouser Part # 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 ¥64.8 ¥57.1 ¥52.5 ¥47.8 ¥45.8 Reel ¥43.4 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: ¥64.8 5,120In Stock	Mfr. Part # 140356145400 Mouser Part # 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 ¥64.8 ¥57.1 ¥52.5 ¥47.8 ¥45.8 Reel ¥43.4 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: ¥48.2 5,551In Stock	Mfr. Part # 140357145000 Mouser Part # 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	5,551In Stock	Cut Tape ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 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: ¥48.2 2,980In Stock	Mfr. Part # 140357145100 Mouser Part # 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 ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 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: ¥48.2 3,754In Stock	Mfr. Part # 140357145200 Mouser Part # 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	3,754In Stock	Cut Tape ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 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: ¥48.2 2,516In Stock 3,000Expected 11/20/2026	Mfr. Part # 140357145300 Mouser Part # 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	2,516In Stock 3,000Expected 11/20/2026	Cut Tape ¥48.2 ¥41.9 ¥38.7 ¥35 ¥33.6 Reel ¥31.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140814240010 Wurth Elektronik 1: ¥61.5 190In Stock	Mfr. Part # 140814240010 Mouser Part # 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	¥61.5 ¥54.3 ¥50 ¥45.5 ¥43.4	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140814241110 Wurth Elektronik 1: ¥61.5 200In Stock	Mfr. Part # 140814241110 Mouser Part # 710-140814241110	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	200In Stock	¥61.5 ¥54.3 ¥50 ¥45.5 ¥43.4	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140814243000 Wurth Elektronik 1: ¥64.8 834In Stock	Mfr. Part # 140814243000 Mouser Part # 710-140814243000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	834In Stock	Cut Tape ¥64.8 ¥57.1 ¥52.5 ¥47.8 ¥45.8 Reel ¥43.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140814243100 Wurth Elektronik 1: ¥64.8 3,795In Stock	Mfr. Part # 140814243100 Mouser Part # 710-140814243100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	3,795In Stock	Cut Tape ¥64.8 ¥57.1 ¥52.5 ¥47.8 ¥45.8 Reel ¥43.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140110 Wurth Elektronik 1: ¥59.8 142In Stock	Mfr. Part # 140816140110 Mouser Part # 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	¥59.8 ¥54.5 ¥48.5 ¥42.5	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140210 Wurth Elektronik 1: ¥59.8 158In Stock	Mfr. Part # 140816140210 Mouser Part # 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	¥59.8 ¥54.5 ¥48.5 ¥42.5	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140410 Wurth Elektronik 1: ¥59.8 959In Stock	Mfr. Part # 140816140410 Mouser Part # 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	¥59.8 ¥54.5 ¥48.5 ¥42.5	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141010 Wurth Elektronik 1: ¥59.8 149In Stock	Mfr. Part # 140816141010 Mouser Part # 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	¥59.8 ¥54.5 ¥48.5 ¥42.5	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141210 Wurth Elektronik 1: ¥59.8 462In Stock	Mfr. Part # 140816141210 Mouser Part # 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	¥59.8 ¥54.5 ¥48.5 ¥42.5	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141310 Wurth Elektronik 1: ¥59.8 166In Stock	Mfr. Part # 140816141310 Mouser Part # 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	¥59.8 ¥54.5 ¥48.5 ¥42.5	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type 140816142000 Wurth Elektronik 1: ¥63.1 879In Stock	Mfr. Part # 140816142000 Mouser Part # 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 ¥63.1 ¥57.3 ¥51 ¥44.7 Reel ¥34.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,500

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Optocoupler Phototransistors

Types of Optoelectronics