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: 100
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw RED 2.4V 50mA 620nm 3.604In Stock
Min.: 1
Mult.: 1
: 2.000

Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 620nm 1.443In Stock
2.000Expected 14/08/2026
Min.: 1
Mult.: 1
: 2.000

Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw YEl 2.4V 50mA 590nm 1.374In Stock
Min.: 1
Mult.: 1
: 2.000

Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 405nm 140mW 3.4V 120 3.770In Stock
Min.: 1
Mult.: 1
: 4.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 6.771In Stock
36.000Expected 14/08/2026
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 1.429In Stock
3.000Expected 16/10/2026
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 3.231In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 3.829In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 4.146In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 3.278In Stock
9.000On Order
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 5.501In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 4.093In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 2.627In Stock
3.000Expected 14/08/2026
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 3.052In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 3.182In Stock
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 2.085In Stock
3.000Expected 14/08/2026
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 2.557In Stock
3.000Expected 13/11/2026
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 5.617In Stock
6.000Expected 14/08/2026
Min.: 1
Mult.: 1
: 3.000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 190In Stock
Min.: 1
Mult.: 1

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 161In Stock
Min.: 1
Mult.: 1

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SL-Type 1.184In Stock
Min.: 1
Mult.: 1
: 1.500

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 144In Stock
Min.: 1
Mult.: 1

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 158In Stock
Min.: 1
Mult.: 1

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 Standard 459In Stock
500Expected 14/08/2026
Min.: 1
Mult.: 1

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 M-Type 149In Stock
Min.: 1
Mult.: 1