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 (DKK) 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 2.142In Stock
Min.: 1
Mult.: 1
: 1.000

6 V 100 mA SMD/SMT SMD-DIP-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% 4.423In 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>100% 3.422In Stock
Min.: 1
Mult.: 1

6 V 50 mA SMD/SMT SMD-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240% 559In 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 HV Phototransistor 1.121In Stock
Min.: 1
Mult.: 1

6 V 50 mA Through Hole DIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 PHOTO TRANS 4.273In Stock
Min.: 1
Mult.: 1

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 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
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80% 39.287In Stock
4.000Expected 07/07/2026
Min.: 1
Mult.: 1
: 2.000

6 V 3 us 2.5 mA SMD/SMT SOIC-8 2 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Photodarlington Out Quad CTR >600% 15.887In Stock
2.000Expected 12/06/2026
Min.: 1
Mult.: 1
: 2.000

6 V 300 us 80 mA SMD/SMT SOP-16 4 Channel Photodarlington
Broadcom / Avago Transistor Output Optocouplers Phototx Coupler Quad 12.300In Stock
46.000On Order
Min.: 1
Mult.: 1
: 2.000

6 V 2 us 50 mA SMD/SMT SO-16 4 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
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out 1.051In 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% 23.795In Stock
46.000Expected 23/07/2026
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% 2.048In 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% 8.844In 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 Single CTR 100-200% 11.932In 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 Single CTR 160-320% 6.160In Stock
Min.: 1
Mult.: 1

6 V 4 us 100 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% 6.123In Stock
Min.: 1
Mult.: 1

6 V 4 us 100 mA Through Hole DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers RECOMMENDED ALT VO61 5.431In Stock
Min.: 1
Mult.: 1

6 V 2 us 50 mA Through Hole PDIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% 6.734In Stock
Min.: 1
Mult.: 1
: 1.000

6 V 3.5 us 100 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% 8.615In Stock
Min.: 1
Mult.: 1
: 1.000

6 V 3.5 us 100 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 50-300% 14.565In Stock
Min.: 1
Mult.: 1
: 2.000

6 V 3 us 100 mA SMD/SMT SOP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Quad CTR 50-300% 4.542In Stock
Min.: 1
Mult.: 1

6 V 5.5 us 100 mA SMD/SMT SSOP-16 4 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Photodarlington Out Single CTR >600% 14.119In Stock
Min.: 1
Mult.: 1
: 3.000

6 V 300 us 80 mA SMD/SMT SOP-4 1 Channel Photodarlington
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out 40.771In Stock
Min.: 1
Mult.: 1
: 3.000

6 V 3 us 50 mA SMD/SMT SOP-4 1 Channel NPN Phototransistor