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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CNY75C


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 148
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AUD 0.3267
Multiples of: 1

TLP590B(C.F)


Photodiode Output Optocouplers Photovoltaic Coupler
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Toshiba 148
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AUD 4.8444
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OPI128


High Speed Optocouplers Optoisolator
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TT Electronics 146
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AUD 15.8889
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APT1232


Triac & SCR Output Optocouplers APT Phototriac
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Panasonic 145
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AUD 1.3525
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PS9506-AX


Optocoupler Drive Totem-Pole 1-CH 30V 1500V 8-Pin PDIP Magazine
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Renesas 145
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AUD 2.519
Multiples of: 1

ACPL-M21L-500E


Logic Output Optoisolator 5MBd Push-Pull, Totem Pole 3750Vrms 1 Channel 25kV/µs CMTI 5-SO
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Broadcom 145
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AUD 4.8481
Multiples of: 1

ACSL-6400-50TE


Optocoupler Logic-Out Open Collector DC-IN 4-CH 16-Pin SOIC N T/R
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Broadcom 145
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AUD 6.1407
Multiples of: 1

PS9924-Y-AX


Logic Output Optoisolator 10Mbps Open Collector 7500Vrms 1 Channel 15kV/µs CMTI 8-LSDIP
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CEL 145
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AUD 11.5548
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ACPL-C79A-000E


Optocoupler; SMD; Channels:1; Out: isolation amplifier; 5kV; SO8
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Broadcom 145
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AUD 15.4889
Multiples of: 1

FODM3012_NF098


Triac & SCR Output Optocouplers 250V Random Phase Triac Driver 5mA
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ON Semiconductor 144
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AUD 1.0534
Multiples of: 1

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