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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CNY171SM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 2444
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AUD 0.2955
Multiples of: 1

VOM618A-8T


Transistor Output Optocouplers Phototransistor Out CTR 130-260% 1mA
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Vishay 2438
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AUD 0.2355
Multiples of: 1

HCPL-2531-000E


High Speed Optocouplers 1MBd 2Ch 16mA
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Broadcom 2436
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AUD 1.5356
Multiples of: 1

AT3063-CuH-DE


100mA 60mA 600V 1.23V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 2429
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AUD 0.1537
Multiples of: 5

IL300-E


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 2425
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AUD 8.7507
Multiples of: 1

TLP292(GR-TPR,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2425
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AUD 0.2942
Multiples of: 5

TLP291(BL.SE(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SO4
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Toshiba 2399
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AUD 0.3093
Multiples of: 1

TLP385(GRL-TPL,E(T


SOP-4-300mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2294
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AUD 0.4243
Multiples of: 1

TLP185(SE(T


Transistor Output Optocouplers
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Toshiba 1542
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AUD 0.2761
Multiples of: 1

MOC3063M


100mA 60mA 600V 1.5V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 82
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AUD 0.1551
Multiples of: 5

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