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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VO0611T


High Speed Optocouplers 10Mbd Open Collector Single Channel
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Vishay 1940
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AUD 1.2746
Multiples of: 1

FOD8332V


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 900
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AUD 4.7776
Multiples of: 1

OPI1280-032


Optek TT Electronics Transistor Output Optocouplers Optical Interrupter
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TT Electronics 897
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AUD 10.0577
Multiples of: 1

PS2733-1-A


CEL Transistor Output Optocouplers Hi Col-Emit Dar 1-Ch
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CEL 889
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AUD 2.5119
Multiples of: 1

MOC3043X


Optotriac; 5.3kV; Uout:400V; zero voltage crossing driver; DIP6
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Isocom 873
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AUD 0.5746
Multiples of: 1

6N136-500E


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 8-Pin PDIP SMD T/R
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Broadcom 866
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AUD 0.9578
Multiples of: 1

TLP2301(V4-TPL,E)


SOP-4 Logic Output Optoisolators ROHS
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Toshiba 854
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AUD 1.7358
Multiples of: 1

CYHCPL3120S(TP1)


SOP-8 Optocouplers - Logic Output ROHS
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OCIC 843
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AUD 0.8269
Multiples of: 1

MOC3041SM


100mA 60mA 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 829
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AUD 0.3194
Multiples of: 5

TLP265J(T7-TPL,E(T


Optotriac; 3.75kV; triac; SO6; Channels:1
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Toshiba 687
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AUD 0.7125
Multiples of: 1

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