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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ACPL-217-500E


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 9059
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AUD 0.2874
Multiples of: 5

ACPL-330J-500E


Logic Output Optocouplers 1.5A IGBT Gate Drive
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Broadcom 8695
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AUD 2.6335
Multiples of: 1

VO610A-3X016


Transistor Output Optocouplers Phototransistor Out CTR 100-200%
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Vishay 7696
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AUD 0.168
Multiples of: 1

EL3081


Triac Optocouplers DIP-6 RoHS
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Everlight 7667
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AUD 0.1851
Multiples of: 5

PS2561L-1-V-F3-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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Renesas 7639
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AUD 0.4227
Multiples of: 1

FODM121AR2V


Transistor Output Optocouplers Phototrans Ouput MFP Input
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ON Semiconductor 7575
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AUD 0.2496
Multiples of: 5

CNY172M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 7345
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AUD 0.2411
Multiples of: 1

PC367NJ0000F


Transistor Output Optocouplers Low IfHigh CMR Ic mA 0.5 to 2.5
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Sharp 7110
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AUD 0.517
Multiples of: 1

MOC3063SM


100mA 60mA 600V 1.3V Two-way thyristor SOP-6-2.54mm Triac, SCR Output Optoisolators ROHS
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AOTE 5548
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AUD 0.1718
Multiples of: 5

PC817D-S


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Youtai 1493
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AUD 0.0334
Multiples of: 10

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