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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 (PLN) Filter the results in the table by unit price based on your quantity.	Qty.
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type 140817141010 Wurth Elektronik 1: 1,02 zł 25In Stock	Mfr. Part No. 140817141010 Mouser Part No 710-140817141010	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	25In Stock	1,02 zł 0,906 zł 0,836 zł 0,761 zł 0,726 zł	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type 140816144300 Wurth Elektronik 1: 1,44 zł 3 000In Stock	Mfr. Part No. 140816144300 Mouser Part No 710-140816144300	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	3 000In Stock	Cut Tape 1,44 zł 1,31 zł 1,16 zł 1,02 zł Reel 0,783 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type 140816144400 Wurth Elektronik 1: 1,44 zł 326In Stock 1 500Expected 10/23/2026	Mfr. Part No. 140816144400 Mouser Part No 710-140816144400	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	326In Stock 1 500Expected 10/23/2026	Cut Tape 1,44 zł 1,31 zł 1,16 zł 1,02 zł Reel 0,783 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 500
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145000 Wurth Elektronik 1: 1,47 zł 5 481In Stock	Mfr. Part No. 140356145000 Mouser Part No 710-140356145000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 481In Stock	Cut Tape 1,47 zł 1,30 zł 1,20 zł 1,09 zł 1,04 zł Reel 0,986 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140816143300 Wurth Elektronik 1: 1,44 zł 5 637In Stock	Mfr. Part No. 140816143300 Mouser Part No 710-140816143300	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 637In Stock	Cut Tape 1,44 zł 1,31 zł 1,16 zł 1,02 zł Reel 0,779 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 500
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145100 Wurth Elektronik 1: 1,47 zł 4 895In Stock	Mfr. Part No. 140356145100 Mouser Part No 710-140356145100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4 895In Stock	Cut Tape 1,47 zł 1,30 zł 1,20 zł 1,09 zł 1,04 zł Reel 0,986 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 20CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 140214247000 Wurth Elektronik 1: 1,89 zł 5 947In Stock New Product	Mfr. Part No. 140214247000 Mouser Part No 710-140214247000 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 20CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 947In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 50CTR MIN 150CTR MAX 80V 3750VRMS Phototransistor 140214247100 Wurth Elektronik 1: 1,89 zł 5 705In Stock New Product	Mfr. Part No. 140214247100 Mouser Part No 710-140214247100 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 50CTR MIN 150CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 705In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 80CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 140214247200 Wurth Elektronik 1: 1,89 zł 5 649In Stock New Product	Mfr. Part No. 140214247200 Mouser Part No 710-140214247200 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 649In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 50CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor 140217147000 Wurth Elektronik 1: 1,89 zł 5 727In Stock New Product	Mfr. Part No. 140217147000 Mouser Part No 710-140217147000 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 50CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 727In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 80CTR MIN 160CTR MAX 80V 3750VRMS Phototransistor 140217147100 Wurth Elektronik 1: 1,89 zł 5 545In Stock New Product	Mfr. Part No. 140217147100 Mouser Part No 710-140217147100 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80CTR MIN 160CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 545In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 130CTR MIN 260CTR MAX 80V 3750VRMS Phototransistor 140217147200 Wurth Elektronik 1: 1,89 zł 5 841In Stock New Product	Mfr. Part No. 140217147200 Mouser Part No 710-140217147200 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 130CTR MIN 260CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 841In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 200CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 140217147300 Wurth Elektronik 1: 1,89 zł 5 980In Stock New Product	Mfr. Part No. 140217147300 Mouser Part No 710-140217147300 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 200CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 980In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 300CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor 140217147400 Wurth Elektronik 1: 1,89 zł 5 626In Stock New Product	Mfr. Part No. 140217147400 Mouser Part No 710-140217147400 New Product	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 300CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 626In Stock	Cut Tape 1,89 zł 1,32 zł 0,871 zł 0,757 zł 0,682 zł Reel 0,576 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT DIP8 S VCE=80V VISO=5000VRM 140827182000 Wurth Elektronik 1: 3,45 zł 972In Stock	Mfr. Part No. 140827182000 Mouser Part No 710-140827182000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT DIP8 S VCE=80V VISO=5000VRM Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	972In Stock	Cut Tape 3,45 zł 3,01 zł 2,60 zł 2,28 zł Reel 1,87 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Transistor Output Optocouplers WL-OCPT DIP8 SL VCE=80V VISO=5000VRM 140827183000 Wurth Elektronik 1: 3,45 zł 1 092In Stock	Mfr. Part No. 140827183000 Mouser Part No 710-140827183000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT DIP8 SL VCE=80V VISO=5000VRM Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1 092In Stock	Cut Tape 3,45 zł 3,01 zł 2,60 zł 2,28 zł Reel 1,87 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140100146000 Wurth Elektronik 1: 1,10 zł 42 497In Stock	Mfr. Part No. 140100146000 Mouser Part No 710-140100146000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	42 497In Stock	Cut Tape 1,10 zł 0,955 zł 0,88 zł 0,796 zł 0,766 zł Reel 0,726 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 140354245000 Wurth Elektronik 1: 1,47 zł 10 269In Stock	Mfr. Part No. 140354245000 Mouser Part No 710-140354245000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	10 269In Stock	Cut Tape 1,47 zł 1,30 zł 1,20 zł 1,09 zł 1,04 zł Reel 0,986 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 150141GS73130 Wurth Elektronik 1: 1,51 zł 11 743In Stock	Mfr. Part No. 150141GS73130 Mouser Part No 710-150141GS73130	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	11 743In Stock	Cut Tape 1,51 zł 1,34 zł 1,24 zł 1,13 zł 1,07 zł Reel 1,02 zł MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 150141RS73130 Wurth Elektronik 1: 1,51 zł 7 053In Stock 6 000Expected 10/23/2026	Mfr. Part No. 150141RS73130 Mouser Part No 710-150141RS73130	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	7 053In Stock 6 000Expected 10/23/2026	Cut Tape 1,51 zł 1,34 zł 1,24 zł 1,13 zł 1,07 zł Reel 1,02 zł MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 620nm 150141YS73130 Wurth Elektronik 1: 1,51 zł 7 443In Stock	Mfr. Part No. 150141YS73130 Mouser Part No 710-150141YS73130	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 620nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	7 443In Stock	Cut Tape 1,51 zł 1,34 zł 1,24 zł 1,13 zł 1,07 zł Reel 1,02 zł MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Single Colour LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D 153283367A212 Wurth Elektronik 1: 1,44 zł 13 757In Stock	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	13 757In Stock	Cut Tape 1,44 zł 1,28 zł 1,17 zł 1,10 zł View Reel 0,77 zł 0,814 zł 0,77 zł 0,77 zł MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Single Colour LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 153283397A212 Wurth Elektronik 1: 2,42 zł 5 374In Stock	Mfr. Part No. 153283397A212 Mouser Part No 710-153283397A212	Wurth Elektronik	Single Colour LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	5 374In Stock	Cut Tape 2,42 zł 2,20 zł 2,01 zł 1,74 zł View Reel 1,47 zł 1,55 zł 1,47 zł 1,47 zł MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140105146000 Wurth Elektronik 1: 1,10 zł 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 1,10 zł 0,955 zł 0,88 zł 0,796 zł 0,766 zł Reel 0,726 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140106146000 Wurth Elektronik 1: 1,10 zł 4 446In 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 446In Stock	Cut Tape 1,10 zł 0,955 zł 0,88 zł 0,796 zł 0,766 zł Reel 0,726 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000

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