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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CNY17F-2M


Transistor Output Optocouplers HCEV, 63%, 5KV
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Lite-On 5036
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AUD 0.1821
Multiples of: 1

4N37M


Optoisolator Transistor with Base Output 1500Vrms 1 Channel 6-DIP
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Lite-On 5033
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AUD 0.1779
Multiples of: 1

PC817X4NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 Channel
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Sharp 5029
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AUD 0.3405
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CQY80N


Transistor Output Optocouplers Phototransistor Out Single CTR >50%
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Vishay 5022
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AUD 0.2933
Multiples of: 1

MOC3023S


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 5018
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AUD 0.3011
Multiples of: 1

TLP2361(V4-TPL,E


High Speed Optocouplers Photo-IC 6V 125degC 3750 Vrms
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Toshiba 5014
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AUD 0.522
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VOM617A-4T


Transistor Output Optocouplers Phototransistor Out CTR 160-320% 5mA
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Vishay 5011
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AUD 0.2311
Multiples of: 0

LTV-702VB


Lite-On Transistor Output Optocouplers Optocoupler
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Lite-On 4995
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AUD 0.1816
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PS2533L-1-F3-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 4969
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AUD 1.2484
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SFH6286-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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Vishay 4966
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AUD 0.6984
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