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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 150141GS73130 Wurth Elektronik 1: £0.30 11,693In 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	11,693In Stock	Cut Tape £0.30 £0.266 £0.245 £0.224 £0.212 Reel £0.202 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type 140816144300 Wurth Elektronik 1: £0.285 2,996In 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	2,996In Stock	Cut Tape £0.285 £0.259 £0.23 £0.202 Reel £0.155 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type 140816144400 Wurth Elektronik 1: £0.285 1,801In Stock	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	1,801In Stock	Cut Tape £0.285 £0.259 £0.23 £0.202 Reel £0.155 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 140816143300 Wurth Elektronik 1: £0.285 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 £0.285 £0.259 £0.23 £0.202 Reel £0.155 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Single Colour LEDs WL-SUTW Wtrclr TopVw 385nm 90mW 3.4V 120D 153283387A212 Wurth Elektronik 1: £0.48 2,585In 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	2,585In Stock	Cut Tape £0.48 £0.443 £0.398 £0.346 View Reel £0.292 £0.308 £0.292 £0.292 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type 140817141010 Wurth Elektronik 1: £0.203 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	£0.203 £0.18 £0.166 £0.151 £0.144	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145000 Wurth Elektronik 1: £0.292 5,472In 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	5,472In Stock	Cut Tape £0.292 £0.258 £0.237 £0.217 £0.207 Reel £0.196 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: £0.292 4,048In 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	4,048In Stock	Cut Tape £0.292 £0.258 £0.237 £0.217 £0.207 Reel £0.207 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 140356145100 Wurth Elektronik 1: £0.292 4,885In 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	4,885In Stock	Cut Tape £0.292 £0.258 £0.237 £0.217 £0.207 Reel £0.207 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SLM-Type 140817144000 Wurth Elektronik 1: £0.217 4,495In Stock	Mfr. Part No. 140817144000 Mouser Part No 710-140817144000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SLM-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4,495In Stock	Cut Tape £0.217 £0.189 £0.175 £0.158 £0.152 Reel £0.143 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type 140814242000 Wurth Elektronik 1: £0.292 3,000In Stock	Mfr. Part No. 140814242000 Mouser Part No 710-140814242000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	3,000In Stock	Cut Tape £0.292 £0.258 £0.237 £0.217 £0.204 Reel £0.194 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Transistor Output Optocouplers WL-OCPT 20CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 140214247000 Wurth Elektronik 1: £0.375 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 £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 50CTR MIN 150CTR MAX 80V 3750VRMS Phototransistor 140214247100 Wurth Elektronik 1: £0.375 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 £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 80CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 140214247200 Wurth Elektronik 1: £0.375 5,639In 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	5,639In Stock	Cut Tape £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 50CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor 140217147000 Wurth Elektronik 1: £0.375 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 £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 80CTR MIN 160CTR MAX 80V 3750VRMS Phototransistor 140217147100 Wurth Elektronik 1: £0.375 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 £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.117 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 130CTR MIN 260CTR MAX 80V 3750VRMS Phototransistor 140217147200 Wurth Elektronik 1: £0.375 5,741In 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	5,741In Stock	Cut Tape £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.117 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 200CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 140217147300 Wurth Elektronik 1: £0.375 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 £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT 300CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor 140217147400 Wurth Elektronik 1: £0.375 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 £0.375 £0.263 £0.173 £0.15 £0.135 Reel £0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Transistor Output Optocouplers WL-OCPT DIP8 S VCE=80V VISO=5000VRM 140827182000 Wurth Elektronik 1: £0.684 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 £0.684 £0.597 £0.515 £0.452 Reel £0.37 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 140100146000 Wurth Elektronik 1: £0.217 42,262In 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	42,262In Stock	Cut Tape £0.217 £0.189 £0.175 £0.158 £0.152 Reel £0.144 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: £0.292 9,703In 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	9,703In Stock	Cut Tape £0.292 £0.258 £0.237 £0.217 £0.207 Reel £0.196 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: £0.217 8,036In Stock 9,000Expected 25/01/2027	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	8,036In Stock 9,000Expected 25/01/2027	Cut Tape £0.217 £0.189 £0.175 £0.158 £0.152 Reel £0.144 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 150141RS73130 Wurth Elektronik 1: £0.30 12,753In Stock	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	12,753In Stock	Cut Tape £0.30 £0.266 £0.245 £0.224 £0.212 Reel £0.202 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 620nm 150141YS73130 Wurth Elektronik 1: £0.30 6,843In 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	6,843In Stock	Cut Tape £0.30 £0.266 £0.245 £0.224 £0.212 Reel £0.202 MouseReel Available	Min.: 1 Mult.: 1 : 2,000

Optocoupler Phototransistors

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Optocoupler Phototransistors

Types of Opto-electronics