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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 (INR) Filter the results in the table by unit price based on your quantity.	Qty.
Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 590nm 150141YS73140 Wurth Elektronik 1: ₹38.22 1,314In Stock	Mfr. Part No. 150141YS73140 Mouser Part No 710-150141YS73140	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 590nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1,314In Stock	Cut Tape ₹38.22 ₹33.92 ₹31.24 ₹28.57 ₹27.04 Reel ₹25.70 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D 153283367A212 Wurth Elektronik 1: ₹36.31 5,787In Stock 8,000On Order	Mfr. Part No. 153283367A212 Mouser Part No 710-153283367A212	Wurth Elektronik	Single Colour LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5,787In Stock 8,000On Order	Cut Tape ₹36.31 ₹32.48 ₹29.62 ₹27.71 View Reel ₹19.39 ₹20.54 ₹19.39 ₹19.39 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Single Colour LEDs WL-SUTW Wtrclr TopVw 385nm 90mW 3.4V 120D 153283387A212 Wurth Elektronik 1: ₹61.15 2,607In Stock	Mfr. Part No. 153283387A212 Mouser Part No 710-153283387A212	Wurth Elektronik	Single Colour LEDs WL-SUTW Wtrclr TopVw 385nm 90mW 3.4V 120D Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2,607In Stock	Cut Tape ₹61.15 ₹56.37 ₹50.64 ₹43.95 View Reel ₹37.26 ₹39.17 ₹37.26 ₹37.26 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Single Colour LEDs WL-SUTW Wtrclr TopVw 405nm 140mW 3.4V 120 153283407A212 Wurth Elektronik 1: ₹62.10 2,888In Stock 4,000Expected 23-10-2026	Mfr. Part No. 153283407A212 Mouser Part No 710-153283407A212	Wurth Elektronik	Single Colour LEDs WL-SUTW Wtrclr TopVw 405nm 140mW 3.4V 120 Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2,888In Stock 4,000Expected 23-10-2026	Cut Tape ₹62.10 ₹56.37 ₹51.59 ₹44.90 View Reel ₹37.26 ₹39.17 ₹37.26 ₹37.26 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140105146000 Wurth Elektronik 1: ₹27.71 1,359In Stock 3,000Expected 13-11-2026	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 13-11-2026	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140106146000 Wurth Elektronik 1: ₹27.71 4,546In 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	4,546In Stock	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140107146000 Wurth Elektronik 1: ₹27.71 3,121In 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	3,121In Stock	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140108146000 Wurth Elektronik 1: ₹27.71 3,819In 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	3,819In Stock	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140109146000 Wurth Elektronik 1: ₹27.71 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 ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 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: ₹37.26 4,500In Stock	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	4,500In Stock	Cut Tape ₹37.26 ₹32.87 ₹30.19 ₹27.52 ₹26.37 Reel ₹24.94 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: ₹37.26 4,798In 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	4,798In Stock	Cut Tape ₹37.26 ₹32.87 ₹30.19 ₹27.52 ₹26.37 Reel ₹24.94 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145300 Wurth Elektronik 1: ₹37.26 4,088In Stock	Mfr. Part No. 140356145300 Mouser Part No 710-140356145300	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4,088In Stock	Cut Tape ₹37.26 ₹32.87 ₹30.19 ₹27.52 ₹26.37 Reel ₹24.94 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: ₹37.26 5,212In 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	5,212In Stock	Cut Tape ₹37.26 ₹32.87 ₹30.19 ₹27.52 ₹26.37 Reel ₹24.94 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: ₹27.71 2,816In Stock 3,000Expected 16-10-2026	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	2,816In Stock 3,000Expected 16-10-2026	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 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: ₹27.71 3,030In 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	3,030In Stock	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 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: ₹27.71 1,479In Stock 3,000Expected 16-10-2026	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	1,479In Stock 3,000Expected 16-10-2026	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 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: ₹27.71 2,534In Stock 3,000Expected 20-11-2026	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 20-11-2026	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 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: ₹27.71 6,889In Stock 6,000Expected 29-12-2026	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	6,889In Stock 6,000Expected 29-12-2026	Cut Tape ₹27.71 ₹24.08 ₹22.26 ₹20.16 ₹19.30 Reel ₹18.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140814240010 Wurth Elektronik 1: ₹35.35 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	₹35.35 ₹31.24 ₹28.76 ₹26.18 ₹24.94	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140814243000 Wurth Elektronik 1: ₹37.26 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 ₹37.26 ₹32.87 ₹30.19 ₹27.52 ₹26.37 Reel ₹24.94 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140814243100 Wurth Elektronik 1: ₹37.26 4,245In Stock	Mfr. Part No. 140814243100 Mouser Part No 710-140814243100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4,245In Stock	Cut Tape ₹37.26 ₹32.87 ₹30.19 ₹27.52 ₹26.37 Reel ₹24.94 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140110 Wurth Elektronik 1: ₹34.39 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	₹34.39 ₹31.34 ₹27.90 ₹24.46	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140210 Wurth Elektronik 1: ₹34.39 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	₹34.39 ₹31.34 ₹27.90 ₹24.46	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 140816140410 Wurth Elektronik 1: ₹34.39 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	₹34.39 ₹31.34 ₹27.90 ₹24.46	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 140816141010 Wurth Elektronik 1: ₹34.39 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	₹34.39 ₹31.34 ₹27.90 ₹24.46	Min.: 1 Mult.: 1

Optocoupler Phototransistors

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