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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HCPL-7840-000E


Optically Isolated Amplifiers 4.5 - 5.5 SV 8 dB
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Broadcom 7886
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AUD 2.4083
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PS2802-1-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 4110
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AUD 1.8
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PS2561DL-1Y-F3-A


CEL Transistor Output Optocouplers BV=5000Vr.m.s 1 Channel
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CEL 4102
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AUD 0.4756
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LTV-702VS-TA1


Transistor Output Optocouplers Optocoupler
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Lite-On 4092
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AUD 0.1962
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VOL617A-2X001T


Transistor Output Optocouplers Phototransistor Out CTR 63-125% IF=5MA
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Vishay 4089
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AUD 0.2637
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PC3H7J00001H


Transistor Output Optocouplers Photocoupler
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Sharp 4069
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AUD 0.3552
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VO617A-8X017T


Transistor Output Optocouplers H. Relblty 5300 Vrms 130-260% CTR
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Vishay 4059
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AUD 0.1828
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SFH6286-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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Vishay 4048
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AUD 0.6203
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VOT8024AM-T


Triac & SCR Output Optocouplers 800V Vrdm Phototriac SOP-4; UL, cUL
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Vishay 4030
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AUD 0.4865
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6N138


Optocoupler; THT; Channels:1; Out: Darlington; 2.5kV; DIP8; 10kV/μs
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Lite-On 2538
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AUD 0.3904
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