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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LTV-217B


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.2V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 4432
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AUD 0.0748
Multiples of: 10

IL300


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 4429
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AUD 2.0429
Multiples of: 1

IL250


Transistor Output Optocouplers Phototransistor Out Single CTR >50%
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Vishay 4418
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AUD 0.9434
Multiples of: 1

TLP127(TPL,U,F)


Transistor Output Optocouplers Miniflat Coupler
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Toshiba 4408
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AUD 0.9162
Multiples of: 1

Hot 4N36M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 4402
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AUD 0.3
Multiples of: 1

APV1121SX


Photodiode Output Optocouplers Driver 4-pin SOP T&R Driver 4-pin SOP T&R
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Panasonic 4396
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AUD 1.9381
Multiples of: 1

VO3053-X007T


Triac & SCR Output Optocouplers Non Zero Crossing Phototriac 600V 5mA
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Vishay 4391
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AUD 0.529
Multiples of: 1

RV1S9060ACCSP-10YV#SC0


Optocoupler Push-Pull-OUT DC-IN 1-CH 5-Pin LSO T/R
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Renesas 4389
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AUD 4.3846
Multiples of: 1

TCET1106


Transistor Output Optocouplers Phototransistor Out
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Vishay 4379
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AUD 0.2619
Multiples of: 1

PS2561AL-1-A


Transistor Output Optocouplers SGL Tr DC BSI Couplr
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CEL 4374
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AUD 0.3335
Multiples of: 1

First...96979899100...

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