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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6N139-000E


High Speed Optocouplers 100 KBd 2500Vrms
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Broadcom 188
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AUD 2.0222
Multiples of: 1

ATH11L1-CuH-S


15V 7kV DC SMD-6P Logic Output Optoisolators ROHS
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AOTE 184
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AUD 0.3095
Multiples of: 5

HCPL2630V


Fairchild Semiconductor High Speed Optocouplers 2Ch 10MBits Optocpl Logic Gate Output
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ON Semiconductor 184
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AUD 1.973
Multiples of: 1

EL3011


Triac & SCR Output Optocouplers 250PBV 5000Vrms -55 to +100 Op Temp
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Everlight 183
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AUD 0.54
Multiples of: 1

6N139SDVM


High Speed Optocouplers 8PW smt darlington output
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ON Semiconductor 183
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AUD 1.0567
Multiples of: 1

TLP3052A(F(O


Triac & SCR Output Optocouplers
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Toshiba 183
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AUD 1.0933
Multiples of: 1

6N135SVM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 183
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AUD 1.2455
Multiples of: 1

HCPL-260L-300E


High Speed Optocouplers 15MBd 3.3V 5mA
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Broadcom 183
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AUD 2.6222
Multiples of: 1

4N49


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin TO-5
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Micropac 182
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AUD 62.6389
Multiples of: 1

HCPL0534R2


High Speed Optocouplers 1Mbit/s HS Dual Channel Tran-15kV/us
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ON Semiconductor 181
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AUD 1.6905
Multiples of: 1

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