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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TLP127(TPL,U,F)


Transistor Output Optocouplers Miniflat Coupler
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Toshiba 4408
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AUD 0.9162
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SFH615A-3X009


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 4390
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AUD 0.4154
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RV1S9060ACCSP-10YV#SC0


Optocoupler Push-Pull-OUT DC-IN 1-CH 5-Pin LSO T/R
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Renesas 4389
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AUD 4.3846
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LH1262CACTR


MOSFET Output Optocouplers Dual Photovoltaic MOSFET Driver
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Vishay 4381
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AUD 3.1687
Multiples of: 1

VOS615A-X001T


Transistor Output Optocouplers CTR 50-600% 10MA
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Vishay 4379
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AUD 0.243
Multiples of: 1

VOM3052T


Triac & SCR Output Optocouplers 600V 10mA 1.5K DV/DT Non-Zero Crossing
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Vishay 4368
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AUD 0.6042
Multiples of: 1

PS2581L2-A


Transistor Output Optocouplers High Isolation 1-Ch
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CEL 4365
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AUD 0.5712
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HCPL2731SDM


High Speed Optocouplers HIGHSPEED TRANSISTOR OPTOCOUPLERS
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ON Semiconductor 4363
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AUD 1.7825
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SFH640-3X019T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 4360
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AUD 1.3488
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H11F1M


Optocoupler; THT; Channels:1; Out: transistor; 7kV; DIP6
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ON Semiconductor 4343
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AUD 0.8193
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