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.

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Results: 250
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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
Vishay Semiconductors Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240% 599In Stock
Min.: 1
Mult.: 1
: 800

5 V 2.4 us 50 mA SMD/SMT DIP-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 PHOTO TRANS 4.061In Stock
Min.: 1
Mult.: 1

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 1 Channel NPN Phototransistor
onsemi Optically Isolated Amplifiers Isolated Error Amp Optocoupler 1.937In Stock
Min.: 1
Mult.: 1

50 mA Through Hole PDIP-8 1 Channel Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% 4.427In Stock
Min.: 1
Mult.: 1

6 V 2 us 50 mA Through Hole PDIP-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR >50% 4.976In Stock
Min.: 1
Mult.: 1

5 V 7 us 50 mA Through Hole PDIP-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>160-320% 3.093In Stock
Min.: 1
Mult.: 1

6 V 4.6 us 50 mA Through Hole PDIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80% 30.068In Stock
14.000Expected 5/29/2026
Min.: 1
Mult.: 1
: 2.000

6 V 3 us 2.5 mA SMD/SMT SOIC-8 2 Channel NPN Phototransistor
onsemi Optically Isolated Amplifiers Error amplifier Optocoupler 2.585In Stock
Min.: 1
Mult.: 1
: 1.000

50 mA SMD/SMT SMD-DIP-8 1 Channel NPN Phototransistor
onsemi Optically Isolated Amplifiers Error amplifier Optocoupler 4.163In Stock
Min.: 1
Mult.: 1

50 mA SMD/SMT SOIC-8 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Optocoupler Phototransistor 15.272In Stock
Min.: 1
Mult.: 1

6 V Through Hole PDIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor 22.754In 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 8-Pin Optocoupler Phototransistor 10.341In 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 SO-8 DUAL CH PHOTO 5.736In Stock
Min.: 1
Mult.: 1

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 12.861In Stock
9.000Expected 1/1/2027
Min.: 1
Mult.: 1

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out 1.110In Stock
Min.: 1
Mult.: 1

5 V 2.4 us 50 mA Through Hole DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 100-200% 59.182In Stock
Min.: 1
Mult.: 1
: 1.000

6 V 3 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240% 2.168In Stock
Min.: 1
Mult.: 1
: 800

5 V 2.4 us 50 mA SMD/SMT DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 100-300 2.454In Stock
Min.: 1
Mult.: 1
: 800

5 V 2.4 us 50 mA SMD/SMT DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-150% 3.394In Stock
5.600Expected 5/20/2026
Min.: 1
Mult.: 1
: 800

5 V 2.4 us 50 mA SMD/SMT DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% 2.914In Stock
Min.: 1
Mult.: 1

5 V 2.4 us 50 mA Through Hole DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-300% 2.119In Stock
5.600On Order
Min.: 1
Mult.: 1
: 800

5 V 2.4 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor

Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% 12.734In Stock
Min.: 1
Mult.: 1
: 2.000

6 V 100 mA SMD/SMT SOIC-Narrow-8 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125% 2.989In Stock
200On Order
Min.: 1
Mult.: 1

6 V 2.8 us 50 mA Through Hole PDIP-8 2 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers RECOMMENDED ALT VO61 7.928In Stock
Min.: 1
Mult.: 1

6 V 3 us 100 mA Through Hole DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers RECOMMENDED ALT VO61 5.437In Stock
Min.: 1
Mult.: 1

6 V 2 us 50 mA Through Hole PDIP-4 1 Channel NPN Phototransistor