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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H11G1SR2M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:4.17kV
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ON Semiconductor 1933
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AUD 0.5178
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

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

VO617A-8


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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Vishay 1929
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AUD 0.1729
Multiples of: 1

VOS615A-2T


Transistor Output Optocouplers Phototransistor 63-125% CTR 10MA
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Vishay 1928
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AUD 0.3056
Multiples of: 1

TIL111VM


Fairchild Semiconductor Transistor Output Optocouplers 6-Pin Optocoupler Transistor DIP
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ON Semiconductor 1928
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AUD 0.4779
Multiples of: 1

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