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.

Results: 12
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 11,743In Stock
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 7,053In Stock
6,000Expected 23/10/2026
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 5,394In Stock
Cut Tape
€0.55
€0.499
€0.456
€0.396
Reel
€0.335
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw Blu 3.2V 50mA 470nm 2,319In Stock
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw Ble 3.2V 50mA 470nm 4,111In Stock
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 2,455In Stock
2,000Expected 23/10/2026
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 2,563In Stock
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 620nm 7,443In Stock
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 590nm 1,314In Stock
Cut Tape
€0.344
€0.305
€0.281
€0.257
€0.243
Reel
€0.231
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
Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D 5,787In Stock
8,000Expected 02/10/2026
Cut Tape
€0.327
€0.292
€0.267
€0.249
Reel
€0.175
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
Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 385nm 90mW 3.4V 120D 2,607In Stock
Cut Tape
€0.55
€0.507
€0.456
€0.396
Reel
€0.335
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
Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 405nm 140mW 3.4V 120 2,888In Stock
4,000Expected 30/11/2026
Cut Tape
€0.559
€0.507
€0.464
€0.404
Reel
€0.335
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