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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MPS2701-1-L


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 2711
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AUD 0.0766
Multiples of: 5

VO615A-7X017T


Transistor Output Optocouplers CPLR
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Vishay 2703
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AUD 0.1658
Multiples of: 1

ATM3022-CuH-SE


60mA 60mA 400V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 2701
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AUD 0.1558
Multiples of: 5

TCMT1118


Transistor Output Optocouplers Phototransistor 130-260% CTR 5mA VDE
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Vishay 2688
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AUD 0.3275
Multiples of: 1

TLP383(D4GL-TL,E(T


SO-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2683
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AUD 0.4453
Multiples of: 1

VO615A-3X019T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 2682
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AUD 0.1751
Multiples of: 1

FODM8801AV


Transistor Output Optocouplers OptoHiT Octocoupler Phototransistor
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ON Semiconductor 2677
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AUD 0.9114
Multiples of: 1

FODM8801A


Transistor Output Optocouplers OptoHiT Phototrans 75V 1-Ch CTR 160%
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ON Semiconductor 2673
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AUD 0.8971
Multiples of: 2756

HCNW4506-500E


Logic Output Opto-couplers 1Ch 12mA 145mW
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Broadcom 2337
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AUD 2.2103
Multiples of: 1

EL3083


Triac & SCR Output Optocouplers 800PBV 5000Vrms -55 to +100 Op Temp
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Everlight 447
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AUD 0.6921
Multiples of: 1

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