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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TLP250(TP1,F)


Logic Output Optocouplers 2500Vrms 0.15 High Speed
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Toshiba 3906
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AUD 2.4354
Multiples of: 1

6N137VM


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 1098
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AUD 1.1837
Multiples of: 1

TLP291(V4GH-TP,E


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 1097
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AUD 0.3842
Multiples of: 1

MOC3082M


100mA 60mA 800V 1.23V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 1096
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AUD 0.2412
Multiples of: 5

K824P


Transistor Output Optocouplers Phototransistor Out Dual CTR >20%
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Vishay 1089
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AUD 0.6731
Multiples of: 1

CNY17F1M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1088
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AUD 0.3152
Multiples of: 1

CNY17F-1


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 1085
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AUD 0.1855
Multiples of: 1

FOD4118


Triac & SCR Output Optocouplers 800V Zero Crossing Triac Driver Output
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ON Semiconductor 1083
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AUD 1.7567
Multiples of: 1

HCPL-0314-500E


High Speed Optocouplers 1Ch 8mA 400mW
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Broadcom 1016
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AUD 1.2162
Multiples of: 1

CNY17F-2X017T


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 0
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AUD 0.4094
Multiples of: 1

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