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: 249
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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 Single CTR>100%
Datasheet
Product Comments
3 422In Stock
Min.: 1
Mult.: 1

6 V 50 mA SMD/SMT SMD-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 PHOTO TRANS
Datasheet
4 051In 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
Datasheet
1 937In Stock
Min.: 1
Mult.: 1

50 mA Through Hole PDIP-8 1 Channel Phototransistor
onsemi Transistor Output Optocouplers Phototransistor
Datasheet
2 142In Stock
MouseReel Available
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%
Datasheet
Product Comments
4 423In Stock
Min.: 1
Mult.: 1

6 V 2 us 50 mA Through Hole PDIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Photodarlington
Datasheet
3 394In Stock
Min.: 1
Mult.: 1

3 V 150 mA Through Hole PDIP-6 1 Channel Photodarlington
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80%
Datasheet
39 049In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

6 V 3 us 2.5 mA SMD/SMT SOIC-8 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL CH PHOTO
Datasheet
60 432In Stock
3 000Expected 9/1/2026
Min.: 1
Mult.: 1
Max.: 440

6 V 3.2 us 150 mA SMD/SMT SOIC-Narrow-8 2 Channel NPN Phototransistor
Broadcom / Avago Transistor Output Optocouplers Phototx Coupler Quad
Datasheet
50 702In Stock
46 000Expected 12/15/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

6 V 2 us 50 mA SMD/SMT SO-16 4 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200%
Datasheet
52 670In Stock
MouseReel Available
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 Phototransistor Out CTR 100-200%
Datasheet
12 585In Stock
46 000Expected 8/13/2026
MouseReel Available
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 50-150%
Datasheet
1 936In Stock
MouseReel Available
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 63-125%
Datasheet
8 875In Stock
1 050Expected 8/13/2026
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 Single CTR 50-300%
Datasheet
2 982In Stock
848Expected 8/13/2026
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 Single CTR 100-200%
Datasheet
10 692In Stock
MouseReel Available
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 >100%
Datasheet
4 368In 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 Photodarlington Out Single CTR >500%
Datasheet
3 737In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

6 V 100 mA SMD/SMT SOIC-Narrow-8 1 Channel Photodarlington
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
Datasheet
5 993In 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
Datasheet
Product Comments
5 370In 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 Quad CTR 50-300%
Datasheet
5 768On Order
Min.: 1
Mult.: 1

6 V 5.5 us 100 mA SMD/SMT SSOP-16 4 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
Datasheet
Product Comments
6 823In Stock
9 000Expected 8/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

6 V 3 us 50 mA SMD/SMT SOP-4 1 Channel NPN Phototransistor
onsemi Optically Isolated Amplifiers Error amplifier Optocoupler
Datasheet
4 153In Stock
Min.: 1
Mult.: 1

50 mA SMD/SMT SOIC-8 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers PHOTO DARL
Datasheet
14 323In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 350
: 1 000

3 V 150 mA SMD/SMT SMD-DIP-6 1 Channel Photodarlington
onsemi Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
Datasheet
23 452In Stock
32 000Expected 9/8/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 410
: 1 000

6 V 18 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Phototransistor Output
Datasheet
23 795In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 690
: 1 000

6 V 18 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor