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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6N137S


10Mbit/s 100ns 2.7V~5.5V 10kV DC SOP-8 Logic Output Optoisolators ROHS
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AOTE 6809
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AUD 0.2511
Multiples of: 5

ILQ1-X009


Transistor Output Optocouplers Phototransistor Out Quad CTR > 20%
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Vishay 609
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AUD 2.1346
Multiples of: 1

VO207AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 608
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AUD 0.3344
Multiples of: 1

TLP291(GR-TP,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 602
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AUD 0.5031
Multiples of: 1

LTV-817S-TA1-L


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 602
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AUD 0.1463
Multiples of: 1

TLP2962F(TP4,F)


SO-8 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 602
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AUD 0.9063
Multiples of: 1

MOC3042SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 541
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AUD 0.5319
Multiples of: 1

FOD3120


Optocoupler; THT; Channels:1; Out: transistor; 5kV; DIP8; 35kV/μs
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ON Semiconductor 509
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AUD 0.8759
Multiples of: 1

TLP4176G(F)


MOSFET Output Optocouplers Photorelay Voff=350V Ion=0.15/0.12A
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Toshiba 507
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AUD 3.7051
Multiples of: 1

MOC8106SM


Transistor Output Optocouplers 6-Pin Optocoupler Phototrans No Base
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ON Semiconductor 363
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AUD 0.3267
Multiples of: 1

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