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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 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 € 1.051In 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	1.051In 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 € 552In 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	552In 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 140816143400 Wurth Elektronik 1: 0,327 € 2.065In Stock	Mfr. Part No. 140816143400 Mouser Part No 710-140816143400	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.065In 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 SLM-Type 140816144200 Wurth Elektronik 1: 0,327 € 432In Stock	Mfr. Part No. 140816144200 Mouser Part No 710-140816144200	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	432In 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 SLM-Type 140816144300 Wurth Elektronik 1: 0,327 € 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 0,327 € 0,297 € 0,264 € 0,231 € Reel 0,178 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard 140817140010 Wurth Elektronik 1: 0,232 € 437In Stock	Mfr. Part No. 140817140010 Mouser Part No 710-140817140010	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	437In Stock	0,232 € 0,206 € 0,19 € 0,173 € 0,165 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard 140817140210 Wurth Elektronik 1: 0,232 € 168In Stock	Mfr. Part No. 140817140210 Mouser Part No 710-140817140210	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	168In Stock	0,232 € 0,206 € 0,19 € 0,173 € 0,165 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard 140817140310 Wurth Elektronik 1: 0,232 € 212In Stock	Mfr. Part No. 140817140310 Mouser Part No 710-140817140310	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	212In Stock	0,232 € 0,206 € 0,19 € 0,173 € 0,165 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard 140817140410 Wurth Elektronik 1: 0,232 € 44In Stock 200Expected 10/2/2026	Mfr. Part No. 140817140410 Mouser Part No 710-140817140410	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 Standard Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	44In Stock 200Expected 10/2/2026	0,232 € 0,206 € 0,19 € 0,173 € 0,165 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type 140817141310 Wurth Elektronik 1: 0,232 € 190In Stock	Mfr. Part No. 140817141310 Mouser Part No 710-140817141310	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	190In Stock	0,232 € 0,206 € 0,19 € 0,173 € 0,165 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type 140817141410 Wurth Elektronik 1: 0,232 € 100In Stock	Mfr. Part No. 140817141410 Mouser Part No 710-140817141410	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	100In Stock	0,232 € 0,206 € 0,19 € 0,173 € 0,165 €	Min.: 1 Mult.: 1
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type 140817142000 Wurth Elektronik 1: 0,249 € 1.000In Stock	Mfr. Part No. 140817142000 Mouser Part No 710-140817142000	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.000In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type 140817142100 Wurth Elektronik 1: 0,249 € 1.610In Stock 1.500Expected 10/23/2026	Mfr. Part No. 140817142100 Mouser Part No 710-140817142100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.610In Stock 1.500Expected 10/23/2026	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type 140817142200 Wurth Elektronik 1: 0,249 € 1.651In Stock	Mfr. Part No. 140817142200 Mouser Part No 710-140817142200	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.651In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type 140817142300 Wurth Elektronik 1: 0,249 € 189In Stock	Mfr. Part No. 140817142300 Mouser Part No 710-140817142300	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 S-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	189In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type 140817143100 Wurth Elektronik 1: 0,249 € 1.401In Stock	Mfr. Part No. 140817143100 Mouser Part No 710-140817143100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.401In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type 140817143200 Wurth Elektronik 1: 0,249 € 714In Stock 3.000Expected 10/23/2026	Mfr. Part No. 140817143200 Mouser Part No 710-140817143200	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	714In Stock 3.000Expected 10/23/2026	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type 140817143300 Wurth Elektronik 1: 0,249 € 2.720In Stock	Mfr. Part No. 140817143300 Mouser Part No 710-140817143300	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.720In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type 140817143400 Wurth Elektronik 1: 0,249 € 1.674In Stock	Mfr. Part No. 140817143400 Mouser Part No 710-140817143400	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SL-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.674In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SLM-Type 140817144000 Wurth Elektronik 1: 0,249 € 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 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SLM-Type 140817144100 Wurth Elektronik 1: 0,249 € 1.015In Stock	Mfr. Part No. 140817144100 Mouser Part No 710-140817144100	Wurth Elektronik	Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 SLM-Type Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	1.015In Stock	Cut Tape 0,249 € 0,217 € 0,20 € 0,181 € 0,174 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 1.500

Optocoupler Phototransistors

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