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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HCPL-4506-000E


Logic Output Opto-couplers 1MBd 1Ch 10mA
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Broadcom 779
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AUD 0.9082
Multiples of: 1

CNY17-1.


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 777
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AUD 0.275
Multiples of: 1

TLP621-2X


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:55V
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Isocom 777
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AUD 0.498
Multiples of: 1

LTV-817M-B


Optocouplers DIP-4 RoHS
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Lite-On 776
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AUD 0.0525
Multiples of: 10

VOS615A-1T


Transistor Output Optocouplers CPLR
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Vishay 776
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AUD 0.2263
Multiples of: 1

MOC3041SM


Triac & SCR Output Optocouplers SO-6 ZERO TRIAC
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ON Semiconductor 776
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AUD 0.66
Multiples of: 1

HCPL-0600-000E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 776
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AUD 1.74
Multiples of: 1

FOD420SV


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 776
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AUD 2.7657
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FOD8333


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 776
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AUD 4.6043
Multiples of: 1

FOD3184SD


Logic Output Opto-couplers 3A Out, Hi-Speed Gate Drvr Optocouplr
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ON Semiconductor 257
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AUD 1.5039
Multiples of: 1

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