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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H11F3SM


MOSFET Output Optocouplers ANALOG FET
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ON Semiconductor 2
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AUD 3.1397
Multiples of: 1

NTE3090


OPTOCOUPLER, SCHMITT TRIGGER, 7500VRMS
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NTE 2
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AUD 7.1633
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3N244


Optek TT Electronics Transistor Output Optocouplers Isolator
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TT Electronics 2
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AUD 33.58
Multiples of: 1

OPI150TX


Photointerrupter Transmissive Phototransistor 5-Pin
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TT Electronics 2
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AUD 204.8975
Multiples of: 1

ST-OV2- 24DC/ 24DC/5


Plug-in power solid-state relay, with LED and protective circuit in input and output circuits, input: 24 V DC, output: 3 ...
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Phoenix Contact 2
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AUD 401.0871
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H11L3TVM


Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 1
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AUD 0.5374
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HCPL2631SDV


Fairchild Semiconductor High Speed Optocouplers 2Ch 10MBits Optocpl Logic Gate Output
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ON Semiconductor 1
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AUD 3.0476
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FOD4118S


Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless, 800V
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ON Semiconductor 1
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AUD 4.0721
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2905475


Transistor Output Optocouplers ST-OV2- 5DC/ 24DC/5
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Phoenix Contact 1
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AUD 327.2222
Multiples of: 1

HCPL2530SDM


High Speed Optocouplers High Speed Trans Optocouplers
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ON Semiconductor 1
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AUD 1.3951
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