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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TLX9304(TPL,F


Logic Output Opto-couplers IC Coupler Automotive; AEC-Q101
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Toshiba 2137
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AUD 2.9038
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HCPL2631M


High Speed Optocouplers HIGHSPEED TRANSISTOR OPTOCOUPLERS
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ON Semiconductor 2136
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AUD 1.4464
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ACPL-C79B-500E


Avago Technologies Optically Isolated Amplifiers Precision Iso-Amp
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Broadcom 2136
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AUD 4.8724
Multiples of: 1

MOC3083M


100mA 60mA 1.23V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 2134
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AUD 0.2922
Multiples of: 5

TLP151A(TPR,E)


Logic Output Opto-couplers Photo-IC 10 to 30V 3750 Vrms 500ns
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Toshiba 2128
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AUD 0.8324
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TLP748J(D4,F)


Triac & SCR Output Optocouplers THYRISTOR PHOTOCOUPLER
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Toshiba 2127
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AUD 1.9258
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TLP293(V4-BLTL,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2122
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AUD 0.3986
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ACPL-217-50AE


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 2119
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AUD 0.72
Multiples of: 1

TLP385(GRH-TPL,E(T


Optocouplers SMD-4 RoHS
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Toshiba 2105
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AUD 0.5109
Multiples of: 1

CNY17F3SM


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 2103
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AUD 0.2791
Multiples of: 1

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