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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ILD206T


Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125%
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Vishay 6940
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AUD 0.6922
Multiples of: 1

LTV-1009-TP1-G


Optocouplers SOP-4 RoHS
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Lite-On 5480
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AUD 0.0885
Multiples of: 5

VO617A


Transistor Output Optocouplers Phototransistor Out CTR 50-600%
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Vishay 5451
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AUD 0.1658
Multiples of: 1

LTV-849S


Transistor Output Optocouplers Optocoupler
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Lite-On 5431
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AUD 0.6096
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FOD8480T


Logic Output Optocouplers IPM DRIVER 10MB
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ON Semiconductor 5418
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AUD 1.5871
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Hot PC354N1J000F


Transistor Output Optocouplers 50-150% CTR rank of PC354NJ0000F
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Sharp 5398
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AUD 0.4447
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ELM3052


100mA 60mA 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 5398
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AUD 0.2282
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KPS28050ETLD


Optocouplers SOP-4 RoHS
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Cosmo 5223
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AUD 0.2839
Multiples of: 5

MOC3063M


Optotriac; 5kV; Uout:600V; zero voltage crossing driver; DIP6
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Lite-On 5145
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AUD 0.3707
Multiples of: 1

VOS617A-7T


Transistor Output Optocouplers CTR 80-160% 5mA
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Vishay 62
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AUD 0.268
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First...8687888990...

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