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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TCMT1107


Transistor Output Optocouplers Phototransistor Out
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Vishay 17239
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AUD 0.3647
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FOD4208S


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 2115
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AUD 2.9881
Multiples of: 1

PS9121-AX


Optocoupler Logic-Out Open Collector DC-IN 1-CH 5-Pin SOP Tape
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Renesas 324
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AUD 3.1727
Multiples of: 1

IL410-X009T


Vishay Semiconductors Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 323
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AUD 2.3149
Multiples of: 1

6N135VM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 321
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AUD 1.0901
Multiples of: 1

HCPL-2611-300E


Avago Technologies High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 314
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AUD 2.8
Multiples of: 1

FOD817DS


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 311
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AUD 0.2967
Multiples of: 1

TLP2770(TP,E


High Speed Optocouplers Photo-IC 20Mbps CTR=900%min
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Toshiba 221
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AUD 1.6397
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TLP2361(E(T


High Speed Optocouplers
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Toshiba 134
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AUD 0.769
Multiples of: 1

HCPL-0531-000E


High Speed Optocouplers 1MBd 2Ch 16mA
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Broadcom 92
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AUD 3.6776
Multiples of: 1

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