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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TLP293(V4-BLTL,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 1259
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AUD 0.3414
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LTV-817S-C


Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT
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Lite-On 1258
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AUD 0.1587
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LTV-247-G


SOP-16 Optocouplers - Phototransistor Output ROHS
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Lite-On 1258
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AUD 0.5751
Multiples of: 1

MOC3083M


Optotriac; 5.3kV; Uout:800V; zero voltage crossing driver; DIP6
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ON Semiconductor 1258
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AUD 0.594
Multiples of: 1

TLP5752(D4-TP,E


Logic Output Opto-couplers Photocoupler, Photo IC Output
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Toshiba 1258
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AUD 1.0914
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CNY65A


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1256
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AUD 2.1154
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H11F1TVM


MOSFET Output Optocouplers FET Bilateral analog
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ON Semiconductor 1252
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AUD 0.7841
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CYTLP185(BL-TP)


SOP-4 Optocouplers - Phototransistor Output ROHS
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OCIC 1251
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AUD 0.0741
Multiples of: 5

H11A1SR2M


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1251
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AUD 0.341
Multiples of: 1

MOCD208M


Optocoupler; SMD; Channels:2; Out: transistor; 2.5kV; SO8
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ON Semiconductor 1248
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AUD 0.4196
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