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All Products > Semiconductors > Integrated Circuits - ICs > Optocouplers / Photocouplers
Optocouplers (also called Photocouplers, Optoisolators, and Optical Isolators) are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many optocoupler manufacturers including Avago, Crydom, Fairchild, Omron, Panasonic, Toshiba, Vishay & more. Please view our large selection of optocouplers below.

Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
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Optek / TT Electronics 4N49U
Enlarge
Optek / TT Electronics Transistor Output Optocouplers Optocoupled Isolator
Data Sheet 492
In Stock
1: $19.59
10: $18.93
100: $17.83
250: $17.14
500: View



Min.: 1
Mult.: 1
551-PS2701-1-F3-L-A


To purchase full reel, order in multiples of 3500:
CEL Transistor Output Optocouplers Hi-Iso Photo 1-Ch
Data Sheet

Product Info.
51,500
In Stock
Cut Tape
1: $0.32
10: $0.30
100: $0.28
500: $0.24
Reel
3,500: $0.197
7,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,500
551-PS2811-1-F3-A


To purchase full reel, order in multiples of 3500:
CEL Transistor Output Optocouplers Hi CTR Opto 1-Ch
Data Sheet

Product Info.
27,264
In Stock
Cut Tape
1: $0.54
100: $0.491
500: $0.432
1,000: $0.383
Reel
3,500: $0.351
7,000: $0.303

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,500
757-TLP124(TPR,F)


To purchase full reel, order in multiples of 3000:
Toshiba Transistor Output Optocouplers 80VCEO 3750VRMS LO INPUT CURRENT
Page 205

Data Sheet
48,466
In Stock
Cut Tape
1: $0.77
10: $0.605
100: $0.391
1,000: $0.313
Reel
3,000: $0.256
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Toshiba Transistor Output Optocouplers Miniflat Coupler
Data Sheet 29,558
In Stock
1: $1.01
10: $0.806
100: $0.619
500: $0.549
1,000: View



Min.: 1
Mult.: 1
Toshiba Transistor Output Optocouplers 55Vceo 5000Vrms AC input
Page 205

Data Sheet
16,659
In Stock
1: $1.26
10: $1.00
100: $0.774
500: $0.686
1,000: View



Min.: 1
Mult.: 1
Toshiba Transistor Output Optocouplers DARL. 4 CH Vceo=300V MIN
Page 205

Data Sheet
8,501
In Stock
1: $1.58
10: $1.51
100: $1.44
500: $1.34
1,000: View



Min.: 1
Mult.: 1
Toshiba Logic Output Optocouplers 2500Vrms 0.15 High Speed
Page 205

Data Sheet
15,840
In Stock
1: $1.60
10: $1.30
100: $1.04
500: $0.91
1,000: View



Min.: 1
Mult.: 1
Toshiba TLP291-4(GB,E)
Enlarge
Toshiba Transistor Output Optocouplers PHOTOCOUP QUAD TRANS 16-SOP COMP TLP281-4
Page 205

Data Sheet
11,278
In Stock
1: $1.73
10: $1.38
100: $1.06
500: $0.941
1,000: View



Min.: 1
Mult.: 1
Toshiba Transistor Output Optocouplers 55Vceo 5000Vrms 4 channels
Page 205

Data Sheet
6,194
In Stock
1: $2.80
10: $2.50
100: $2.04
250: $1.84
500: View



Min.: 1
Mult.: 1
Toshiba Photodiode Output Optocouplers Photovoltaic Coupler
Page 205

Data Sheet
7,295
In Stock
1: $2.94
10: $2.37
100: $1.90
500: $1.66
1,000: View



Min.: 1
Mult.: 1
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out
Page 206

Data Sheet
9,487
In Stock
1: $0.27
10: $0.26
100: $0.24
250: $0.22
500: View



Min.: 1
Mult.: 1
782-TCMT1103


To purchase full reel, order in multiples of 3000:
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out
Page 208

Data Sheet
10,634
In Stock
Cut Tape
1: $0.36
10: $0.33
100: $0.26
250: $0.24
Reel
3,000: $0.212
6,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out
Data Sheet 26,790
In Stock
1: $0.36
10: $0.34
100: $0.32
250: $0.28
500: View



Min.: 1
Mult.: 1
Vishay Semiconductors TCLD1000
Enlarge
782-TCLD1000


To purchase full reel, order in multiples of 3000:
Vishay Semiconductors Transistor Output Optocouplers Photodarlington Out Single CTR >600%
Page 207

Data Sheet

Product Info.
20,992
In Stock
Cut Tape
1: $0.38
10: $0.34
100: $0.31
250: $0.285
Reel
3,000: $0.211
6,000: View



Min.: 1
Mult.: 1
Reel: 3,000
Vishay Semiconductors Transistor Output Optocouplers Photodarlington Out
Page 206

Data Sheet
9,527
In Stock
1: $0.39
10: $0.384
100: $0.359
250: $0.318
500: View



Min.: 1
Mult.: 1
Vishay Semiconductors SFH615A-2
Enlarge
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
Page 207

Data Sheet

Product Info.
6,502
In Stock
1: $0.42
10: $0.40
50: $0.38
100: $0.361
500: View



Min.: 1
Mult.: 1
Vishay Semiconductors SFH6156-4T
Enlarge
782-SFH6156-4T


To purchase full reel, order in multiples of 1000:
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
Page 207

Data Sheet
5,577
In Stock
Cut Tape
1: $0.47
10: $0.43
100: $0.402
250: $0.365
Reel
1,000: $0.286
2,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,000
Sharp Microelectronics Transistor Output Optocouplers Photocoupler Lead Free
Data Sheet 25,197
In Stock
1: $0.48
10: $0.33
100: $0.264
250: $0.24
500: View



Min.: 1
Mult.: 1
Vishay Semiconductors VOL618A-3T
Enlarge
78-VOL618A-3T


To purchase full reel, order in multiples of 3000:
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 100-320% IF=1MA
Data Sheet 9,331
In Stock
Cut Tape
1: $0.48
100: $0.38
250: $0.35
500: $0.31
Reel
3,000: $0.276
6,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
PC817X0NSZ0F

New Product
New Product


Sharp Microelectronics Transistor Output Optocouplers Photocoupler DC 1.2V 30pF 80kHz
Data Sheet 40,646
In Stock
1: $0.48
10: $0.33
100: $0.264
250: $0.24
500: View



Min.: 1
Mult.: 1
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
Data Sheet 7,917
In Stock
1: $0.48
10: $0.43
50: $0.393
100: $0.36
500: View



Min.: 1
Mult.: 1
Sharp Microelectronics PC817X2NSZ0F
Enlarge
Sharp Microelectronics Transistor Output Optocouplers 130-260% CTR rank
Page 203

Data Sheet
33,296
In Stock
1: $0.48
10: $0.33
100: $0.264
250: $0.24
500: View



Min.: 1
Mult.: 1
Fairchild Semiconductor FOD817SD
Enlarge
512-FOD817SD


To purchase full reel, order in multiples of 1000:
Fairchild Semiconductor Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler
Page 194

Data Sheet
19,685
In Stock
Alternative Packaging
Cut Tape
1: $0.49
10: $0.33
100: $0.184
Reel
1,000: $0.137
5,000: $0.116
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,000
Vishay Semiconductors SFH6156-2X001
Enlarge
Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
Data Sheet 11,480
In Stock
1: $0.49
10: $0.42
50: $0.356
100: $0.34
500: View



Min.: 1
Mult.: 1
Compare up to 20 parts.
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