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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CNY17-1


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 6-DIP
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Vishay 2034
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AUD 0.2844
Multiples of: 1

TLP5772H(TP,E


Logic Output Opto-couplers Gate Drive Coupler; 2.5A; High Temp; RoHS
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Toshiba 1983
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AUD 1.8712
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SFH640-3


Transistor Output Optocouplers Phototransistor Out
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Vishay 1981
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AUD 1.1299
Multiples of: 1

CNY17-2X006


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1980
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AUD 0.3237
Multiples of: 1

TCET1101G


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 1974
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AUD 0.2373
Multiples of: 1

TLP748J(D4,F)


Triac & SCR Output Optocouplers THYRISTOR PHOTOCOUPLER
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Toshiba 1967
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AUD 1.512
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SFH690CT


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 1958
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AUD 0.3693
Multiples of: 1

TLP2761(TP,E(O


SOP-6 Logic Output Optoisolators ROHS
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Toshiba 1950
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AUD 0.5771
Multiples of: 1

PVI5033RSPBF


Photodiode Output Optocouplers 2 FORM A PHOTO VOLTAIC ISOLATOR
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Infineon 1908
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AUD 10.4186
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H11A1TVM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 1818
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AUD 0.2891
Multiples of: 1

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