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 (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 385nm 90mW 3.4V 120D 2 737In Stock
Min.: 1
Mult.: 1
: 4 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 5 891In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw Ble 3.2V 50mA 470nm 2 814In Stock
Min.: 1
Mult.: 1
: 2 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF Dip 4 M-Type 25In Stock
Min.: 1
Mult.: 1

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 5KVrms 10pF Dip 4 SLM-Type 1 496In Stock
Min.: 1
Mult.: 1
: 1 500

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 SL-Type 5 837In Stock
Min.: 1
Mult.: 1
: 1 500

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 4 522In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 4 971In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 3.75KVrm 10pF SOP 4 V-Type 4 672In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 20CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 5 963In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 50CTR MIN 150CTR MAX 80V 3750VRMS Phototransistor 5 725In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 5 902In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 50CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor 5 755In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80CTR MIN 160CTR MAX 80V 3750VRMS Phototransistor 5 790In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 130CTR MIN 260CTR MAX 80V 3750VRMS Phototransistor 5 869In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 200CTR MIN 400CTR MAX 80V 3750VRMS Phototransistor 5 995In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 300CTR MIN 600CTR MAX 80V 3750VRMS Phototransistor 5 632In Stock
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 365nm 50mW 3.6V 120D 7 867In Stock
Min.: 1
Mult.: 1
: 4 000

Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 395nm 140mW 3.4V 120 2 551In Stock
Min.: 1
Mult.: 1
: 4 000

Wurth Elektronik Single Colour LEDs WL-SUTW Wtrclr TopVw 405nm 140mW 3.4V 120 4 155In Stock
Min.: 1
Mult.: 1
: 4 000

Wurth Elektronik Single Colour LEDs WL-SMTW Wtrclr TopVw Grn 3.2V 50mA 520nm 5 969In Stock
6 000Expected 10/07/2026
Min.: 1
Mult.: 1
: 2 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT DIP8 SL VCE=80V VISO=5000VRM 1 112In Stock
Min.: 1
Mult.: 1
: 1 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 35V 5KVrms 10pF LSO 4 V-Type 10 383In Stock
12 000Expected 19/06/2026
Min.: 1
Mult.: 1
: 3 000

Wurth Elektronik Transistor Output Optocouplers WL-OCPT 80V 3.75KVrm 10pF SOP 4 V-Type 5 980In Stock
Min.: 1
Mult.: 1
: 3 000