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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.	Product	Mounting Style	Package/Case	Wavelength/Colour Temperature	Luminous Intensity	Luminous Flux	If - Forward Current	Vf - Forward Voltage	Power Rating	Lens Colour	Lens Dimensions	Lens Shape	Lens Transparency	Series	Packaging
Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 150141GS73130 Wurth Elektronik 1: 0,344 € 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 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Green LEDs	SMD/SMT	PLCC-4	515 nm	5 cd		50 mA	3.2 V	360 mW	White	2.4 mm	Round Flat	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 150141RS73130 Wurth Elektronik 1: 0,344 € 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 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Red LEDs	SMD/SMT	PLCC-4	630 nm	3 cd		50 mA	2.4 V	280 mW	White	2.4 mm	Round Flat	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 620nm 150141YS73130 Wurth Elektronik 1: 0,344 € 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 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Yellow LEDs	SMD/SMT	PLCC-4	592 nm	2 cd		50 mA	2.4 V	280 mW	White	2.4 mm	Round Flat	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 153283397A212 Wurth Elektronik 1: 0,55 € 5.384In 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	5.384In Stock	Cut Tape 0,55 € 0,499 € 0,456 € 0,396 € View Reel 0,335 € 0,353 € 0,335 € 0,335 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	UV LEDs (Ultraviolet)	SMD/SMT	1411 (3528 metric)	395 nm		140 mW	150 mA	3.4 V	600 mW	Water Clear		Square		WL-SUTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw Blu 3.2V 50mA 470nm 150141BS73130 Wurth Elektronik 1: 0,344 € 2.319In Stock	Mfr. Part No. 150141BS73130 Mouser Part No 710-150141BS73130	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw Blu 3.2V 50mA 470nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.319In Stock	Cut Tape 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Blue LEDs	SMD/SMT	PLCC-4	465 nm	1 cd		50 mA	3.2 V	350 mW	White	2.4 mm	Round	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw Ble 3.2V 50mA 470nm 150141BS73140 Wurth Elektronik 1: 0,344 € 4.111In Stock	Mfr. Part No. 150141BS73140 Mouser Part No 710-150141BS73140	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw Ble 3.2V 50mA 470nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	4.111In Stock	Cut Tape 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Blue LEDs	SMD/SMT	PLCC-4	465 nm	1 cd		50 mA	3.2 V	240 mW	White	2.4 mm	Round	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 150141GS73140 Wurth Elektronik 1: 0,344 € 2.455In Stock 2.000Expected 10/23/2026	Mfr. Part No. 150141GS73140 Mouser Part No 710-150141GS73140	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.455In Stock 2.000Expected 10/23/2026	Cut Tape 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Green LEDs	SMD/SMT	PLCC-4	515 nm	5 cd		50 mA	3.2 V	240 mW	White	2.4 mm	Round Flat	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 150141RS73140 Wurth Elektronik 1: 0,344 € 2.503In Stock	Mfr. Part No. 150141RS73140 Mouser Part No 710-150141RS73140	Wurth Elektronik	Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm Learn More about Wurth Elektronik optocoupler phototransistors	Datasheet	2.503In Stock	Cut Tape 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Red LEDs	SMD/SMT	PLCC-4	630 nm	3 cd		50 mA	2.4 V	240 mW	White	2.4 mm	Round Flat	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 590nm 150141YS73140 Wurth Elektronik 1: 0,344 € 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 0,344 € 0,305 € 0,281 € 0,257 € 0,243 € Reel 0,231 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Yellow LEDs	SMD/SMT	PLCC-4	592 nm	2 cd		50 mA	2.4 V	240 mW	White	2.4 mm	Round Flat	Water Clear	WL-SMTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D 153283367A212 Wurth Elektronik 1: 0,327 € 5.777In 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	5.777In Stock 8.000On Order	Cut Tape 0,327 € 0,292 € 0,267 € 0,249 € View Reel 0,175 € 0,185 € 0,175 € 0,175 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	UV LEDs (Ultraviolet)	SMD/SMT	SMD-2	365 nm		90 mW	60 mA	3.6 V	240 mW	Colorless	3.5 mm x 2.8 mm	Rectangular	Water Clear	WL-SUTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SUTW Wtrclr TopVw 385nm 90mW 3.4V 120D 153283387A212 Wurth Elektronik 1: 0,55 € 2.597In 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	2.597In Stock	Cut Tape 0,55 € 0,507 € 0,456 € 0,396 € View Reel 0,335 € 0,353 € 0,335 € 0,335 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	UV LEDs (Ultraviolet)	SMD/SMT	1411 (3528 metric)	385 nm		90 mW	100 mA	3.4 V	400 mW	Water Clear		Square		WL-SUTW	Reel, Cut Tape, MouseReel
Single Colour LEDs WL-SUTW Wtrclr TopVw 405nm 140mW 3.4V 120 153283407A212 Wurth Elektronik 1: 0,559 € 2.868In Stock 4.000Expected 10/23/2026	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	2.868In Stock 4.000Expected 10/23/2026	Cut Tape 0,559 € 0,507 € 0,464 € 0,404 € View Reel 0,335 € 0,353 € 0,335 € 0,335 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	UV LEDs (Ultraviolet)	SMD/SMT	1411 (3528 metric)	405 nm		140 mW	150 mA	3.4 V	600 mW	Water Clear		Square		WL-SUTW	Reel, Cut Tape, MouseReel

Optocoupler Phototransistors

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