Optocouplers for AC/DC Power Supplies

Isolation is critical to protect both an electronics system and the user from potentially hazardous voltages, or where a high level of electrical isolation between electronics systems is necessary. Digital isolators are known for their speed of data transmission, high level of magnetic immunity, and long life expectancy.

Learn More

Results: 249
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS Vr - Reverse Voltage Rise Time Maximum Collector Current Mounting Style Package/Case Number of Channels Output Type
onsemi Transistor Output Optocouplers Phototransistor Output 22,051In Stock
Min.: 1
Mult.: 1
Max.: 1,000
: 1,000

6 V 18 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Phototransistor Output 17,840In Stock
Min.: 1
Mult.: 1
Max.: 1,000
: 1,000

6 V 18 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers OPTO LIGHTING 7,128In Stock
Min.: 1
Mult.: 1
Max.: 270

6 V 300 us 150 mA Through Hole DIP-4 1 Channel Photodarlington
onsemi Transistor Output Optocouplers OPTO LIGHTING 4,301In Stock
Min.: 1
Mult.: 1
Max.: 210

6 V 300 us 150 mA Through Hole DIP-4 1 Channel Photodarlington
onsemi Transistor Output Optocouplers OPTO LIGHTING 16,274In Stock
30,000On Order
Min.: 1
Mult.: 1
Max.: 2,000
: 1,000

6 V 300 us 150 mA SMD/SMT SMT-4 1 Channel Photodarlington
onsemi Transistor Output Optocouplers 4Pin DIP Photo Darl Optocoupler 7,272In Stock
18,000On Order
Min.: 1
Mult.: 1
Max.: 2,000
: 1,000

6 V 300 us 150 mA SMD/SMT SMT-4 1 Channel Photodarlington
onsemi Transistor Output Optocouplers Optocoupler Phototransistor 9,192In Stock
8,000Expected 12/10/2026
Min.: 1
Mult.: 1
Max.: 1,000

6 V Through Hole PDIP-6 1 Channel NPN Phototransistor
onsemi MOSFET Output Optocouplers FET Bilateral analog 4,958In Stock
Min.: 1
Mult.: 1
Max.: 1,070

5 V Through Hole PDIP-6 1 Channel Photo MOSFET
onsemi Transistor Output Optocouplers Hi Volt Photodarling 5,317In Stock
Min.: 1
Mult.: 1
Max.: 1,000
: 1,000

6 V SMD/SMT PDIP-6 Gull Wing 1 Channel Photodarlington
onsemi Transistor Output Optocouplers 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers 25,916In Stock
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500

6 V 3 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Optocoupler Phototransistor 12,192In Stock
Min.: 1
Mult.: 1
Max.: 1,000

6 V Through Hole PDIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers DIP-8 DUAL PH TRANS 11,615In Stock
8,000On Order
Min.: 1
Mult.: 1
Max.: 1,000

25 V 2.4 us 30 mA Through Hole PDIP-8 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL PH TRAN 12,470In Stock
Min.: 1
Mult.: 1
Max.: 210

25 V 2.4 us 30 mA SMD/SMT PDIP-8 Gull Wing 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers 8-Pin Optocoupler Dual Ch Phototrans 12,715In Stock
12,000Expected 13/10/2026
Min.: 1
Mult.: 1
Max.: 2,000
: 1,000

25 V 2.4 us 30 mA SMD/SMT PDIP-8 Gull Wing 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 PHOTO TRANS 33,933In Stock
Min.: 1
Mult.: 1
Max.: 3,000

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor 14,939In Stock
12,500Expected 19/03/2027
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor 7,726In Stock
Min.: 1
Mult.: 1
: 2,500

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Hi Volt Phototrans 17,996In Stock
Min.: 1
Mult.: 1

6 V 100 mA Through Hole PDIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL CH PHOTO 6,097In Stock
6,000Expected 09/02/2027
Min.: 1
Mult.: 1
Max.: 3,000

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL CH PHOTO 5,762In Stock
6,000Expected 05/01/2027
Min.: 1
Mult.: 1
Max.: 290

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL CHAN OPTOC 31,728In Stock
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL CH PHOTO 15,272In Stock
12,000Expected 01/12/2026
Min.: 1
Mult.: 1
Max.: 450

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL CH PHOTO 12,833In Stock
Min.: 1
Mult.: 1
Max.: 290

6 V 8 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel Photodarlington
Broadcom / Avago Transistor Output Optocouplers 3000Vrms 50% CTR 23,270In Stock
Min.: 1
Mult.: 1
: 3,000

6 V 2 us 50 mA SMD/SMT SOIC-4 1 Channel NPN Phototransistor
Broadcom / Avago Transistor Output Optocouplers DC Phototx Coupler 18,490In Stock
Min.: 1
Mult.: 1
: 2,000

6 V 2 us 50 mA SMD/SMT SOIC-8 2 Channel NPN Phototransistor