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 (USD) 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 121,477In Stock
Cut Tape
$0.63
$0.432
$0.306
$0.259
Reel
$0.212
Min.: 1
Mult.: 1
: 3,000
6 V 5.5 us 50 mA SMD/SMT SOP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125% 4,307In Stock
$1.71
$1.05
$0.92
$0.773
Min.: 1
Mult.: 1
6 V 2.8 us 50 mA Through Hole PDIP-8 2 Channel NPN Phototransistor

Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR >100% 4,356In Stock
Cut Tape
$1.05
$0.735
$0.536
$0.466
Reel
$0.376
Min.: 1
Mult.: 1
: 2,000
6 V 100 mA SMD/SMT SOIC-Narrow-8 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers PHOTO TRANS 50,588In Stock
$0.82
$0.566
$0.411
$0.37
$0.315
Min.: 1
Mult.: 1
Max.: 1,000
6 V SMD/SMT PDIP-6 Gull Wing 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers SO-8 DUAL PH TRAN 11,470In Stock
$1.16
$0.821
$0.60
$0.50
$0.35
Min.: 1
Mult.: 1
Max.: 1,000
25 V 2.4 us 30 mA SMD/SMT PDIP-8 Gull Wing 2 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Optocoupler Phototransistor 10,846In Stock
$0.75
$0.529
$0.365
$0.314
$0.266
Min.: 1
Mult.: 1
Max.: 1,000
6 V Through Hole PDIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler 13,096In Stock
Cut Tape
$0.58
$0.396
$0.282
$0.233
Reel
$0.197
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 Optocoupler Phototransistor 6,635In Stock
Cut Tape
$0.90
$0.632
$0.459
$0.376
Reel
$0.351
Min.: 1
Mult.: 1
: 1,000
6 V SMD/SMT SMD-DIP-6 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Hi Volt Phototrans 17,986In Stock
$1.19
$0.796
$0.497
$0.433
Min.: 1
Mult.: 1
6 V 100 mA Through Hole PDIP-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers RECOMMENDED ALT SFH6 96,414In Stock
Cut Tape
$0.44
$0.302
$0.216
$0.177
Reel
$0.163
Min.: 1
Mult.: 1
: 1,000
6 V 4.6 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
20,432In Stock
$0.63
$0.46
$0.357
$0.292
Min.: 1
Mult.: 1
6 V 2 us 50 mA Through Hole PDIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers RECOMMENDED ALT VO61
7,333In Stock
$1.08
$0.758
$0.547
$0.472
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 Single CTR>100-200% 1,305In Stock
Cut Tape
$1.59
$1.14
$0.853
$0.729
Reel
$0.649
Min.: 1
Mult.: 1
: 1,000
6 V 50 mA SMD/SMT PDIP-6 Gull Wing 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out 5,689In Stock
$0.57
$0.392
$0.245
$0.212
Min.: 1
Mult.: 1
6 V 3 us 50 mA Through Hole DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
2,078In Stock
$1.08
$0.755
$0.552
$0.46
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 Single CTR 63-125% 1,335In Stock
$0.80
$0.459
$0.383
$0.316
Min.: 1
Mult.: 1
6 V 2 us 100 mA Through Hole DIP-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 130-260% 1,447In Stock
$0.65
$0.44
$0.313
$0.259
Min.: 1
Mult.: 1
6 V 3 us 50 mA Through Hole DIP-4 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>10%
608In Stock
$0.76
$0.527
$0.383
$0.314
Min.: 1
Mult.: 1
6 V 2 us 50 mA SMD/SMT SMD-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>160-320% 3,432In Stock
$0.77
$0.521
$0.37
$0.306
Min.: 1
Mult.: 1
6 V 3 us 50 mA Through Hole DIP-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers Phototransistor Output 10,547In Stock
$0.64
$0.425
$0.284
$0.196
Min.: 1
Mult.: 1
Max.: 2,000
6 V 18 us 50 mA Through Hole PDIP-4 1 Channel NPN Phototransistor
onsemi Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler 10,805In Stock
$0.38
$0.273
$0.202
$0.159
$0.134
Min.: 1
Mult.: 1
Max.: 2,000
6 V 18 us 50 mA SMD/SMT SMD-4 1 Channel NPN Phototransistor
Broadcom / Avago Transistor Output Optocouplers 3550 Vrms 60mA
Mouser does not presently sell this product in your region.
6 V 10 us 100 mA Through Hole PDIP-6 1 Channel NPN Phototransistor
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR >50% 4,584In Stock
$0.65
$0.452
$0.328
$0.272
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>100%
3,402In Stock
$0.79
$0.549
$0.351
$0.304
Min.: 1
Mult.: 1
6 V 50 mA SMD/SMT SMD-6 1 Channel NPN Phototransistor
onsemi Optically Isolated Amplifiers Isolated Error Amp Optocoupler 1,937In Stock
$1.84
$0.984
$0.796
$0.771
Min.: 1
Mult.: 1
50 mA Through Hole PDIP-8 1 Channel Phototransistor