Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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MOC3041SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1935
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AUD 0.646
Multiples of: 1

SFH628A-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-500%
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Vishay 1935
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AUD 0.7111
Multiples of: 1

HMHA2801AV


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1932
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AUD 0.3143
Multiples of: 1

HCPL2731M


Logic Output Opto-couplers HIGHSPEED TRANSISTOR OPTOCOUPLERS
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ON Semiconductor 1932
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AUD 1.4989
Multiples of: 1

TLP3122(TP,F)


MOSFET Output Optocouplers Photorelay Voff=60V Ion=1A Ron=0.25Ohm
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Toshiba 1932
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AUD 2.8405
Multiples of: 1

PC817X3YSZW


Transistor Output Optocouplers
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Sharp 1930
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AUD 0.1099
Multiples of: 5

FODM214A


Transistor Output Optocouplers Single Channel AC Sensing Phototrans
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ON Semiconductor 1930
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AUD 0.3265
Multiples of: 1

VO217AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 1930
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AUD 0.4635
Multiples of: 1

IL300-DEFG-X001


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 1930
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AUD 3.823
Multiples of: 1

FOD817BS


Transistor Output Optocouplers TRANSISTOR OUTPUT SMD LEAD BEND
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ON Semiconductor 1925
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AUD 0.2067
Multiples of: 1

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