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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EL816(D)


DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Everlight 97
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AUD 0.0795
Multiples of: 5

PS2833-1-A


Transistor Output Optocouplers Hi-Iso Col-Emit 1-Ch
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Renesas 97
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AUD 3.02
Multiples of: 1

6N137M


1Mbit/s 4.5V~18V 1kV/us DC DIP-8 Logic Output Optoisolators ROHS
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AOTE 0
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AUD 0.2938
Multiples of: 5

CY6N139S(TP1)


SOP-8 Optocouplers - Logic Output ROHS
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OCIC 0
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AUD 0.3396
Multiples of: 1

TLP290(V4-GB,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 0
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AUD 0.4349
Multiples of: 1

TLP185(V4BLTL,SE


SO-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 0
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AUD 0.4702
Multiples of: 1

TLP160G(TPL,U,F)


70mA 20mA 400V 1.15V Two-way thyristor SOP-4-2.54mm Triac, SCR Output Optoisolators ROHS
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Toshiba 0
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AUD 0.9317
Multiples of: 1

ACPL-217-560E


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 0
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AUD 1.1227
Multiples of: 1

HCPL-0314-560E


Avago Technologies High Speed Optocouplers 1Ch 8mA 400mW
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Broadcom 0
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AUD 1.3816
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FOD8343TR2


Logic Output Optocouplers 3.0AHighSpeedGateDrv OptocoupInStretchSO6
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ON Semiconductor 0
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AUD 1.4115
Multiples of: 1000

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