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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FOD3150TSR2V


Logic Output Opto-couplers 1A GATE DRV OPTOCOUP 10MM SMD VDE
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ON Semiconductor 171
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AUD 1.5923
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6N138-000E


Optoisolator Darlington with Base Output 3750Vrms 1 Channel 8-DIP
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Broadcom 171
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AUD 1.7778
Multiples of: 1

HCPL-314J-000E


High Speed Optocouplers 0.4A IGBT Gate Drive
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Broadcom 171
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AUD 4.8444
Multiples of: 1

VOT8123AD


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 170
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AUD 0.5744
Multiples of: 1

HCPL-M600-000E


High Speed Optocouplers 10MBd 3750Vdc
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Broadcom 170
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AUD 2.9333
Multiples of: 1

IS181D


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Isocom 169
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AUD 0.156
Multiples of: 5

LTV-852


Transistor Output Optocouplers Optocoupler Phototransistor
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Lite-On 169
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AUD 0.2608
Multiples of: 5

CNY17-2-000E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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Broadcom 169
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AUD 0.4338
Multiples of: 1

TLP290(GB,SE


Toshiba Transistor Output Optocouplers 50mA Photocoupler 80V 50mA 3750Vrms
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Toshiba 169
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AUD 0.4449
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Hot SFH615A-3X001


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 164
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AUD 0.4333
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