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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MTLP185GB


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 3152
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AUD 0.0573
Multiples of: 10

MPC357B


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 3142
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AUD 0.0569
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HCPL-814-000E


Transistor Output Optocouplers 5000 Vrms 20% CTR
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Broadcom 3138
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AUD 0.5788
Multiples of: 1

PS2711-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 3129
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AUD 1.3034
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MOC3083D


60mA 800V 1.3V Two-way thyristor DIP Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 3128
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AUD 0.2513
Multiples of: 5

SFH615AA


Transistor Output Optocouplers Phototransistor Out Single CTR 50-600%
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Vishay 2922
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AUD 0.3346
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IL300-F-X007


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 2800
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AUD 8.6221
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FOD0710R2


High Speed Optocouplers High CMR 12.5Mbit/s Logic Gate
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ON Semiconductor 2184
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AUD 2.7657
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FOD2712AR2


Transistor Output Optocouplers Isolated Error Amp Optocoupler
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ON Semiconductor 1978
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AUD 0.8537
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VOMA618A-8X001T


Transistor Output Optocouplers 80Vceo 3750Vrms SOP-4 CTR 130-260
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Vishay 1111
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AUD 1.123
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