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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Hot PC354N1J000F


Transistor Output Optocouplers 50-150% CTR rank of PC354NJ0000F
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Sharp 17460
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AUD 0.373
Multiples of: 3000

CNY17-4S-TA1


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 5726
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AUD 0.19
Multiples of: 1

LTV-817S-B


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 3378
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AUD 0.1552
Multiples of: 1

TCET1108


Transistor Output Optocouplers Phototransistor Out
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Vishay 3378
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AUD 0.2451
Multiples of: 1

VOH1016AD-V


High Speed Optocouplers 1MBps Schmitt-Trigr DIP-6; VDE
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Vishay 3354
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AUD 0.6923
Multiples of: 1

CNY75B


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 3352
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AUD 0.2891
Multiples of: 1

SFH617A-2X019


Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 3347
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AUD 0.6788
Multiples of: 1

FODM217AV


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 3346
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AUD 0.3064
Multiples of: 1

HCPL0638R2


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 2845
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AUD 2.42
Multiples of: 1

ITR2006ST30A/TR


SMD Optocouplers - Phototransistor Output ROHS
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Everlight 1978
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AUD 0.243
Multiples of: 5

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