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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TLP2361(V4-TPL,E


High Speed Optocouplers Photo-IC 6V 125degC 3750 Vrms
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Toshiba 7046
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AUD 0.49
Multiples of: 1

HCNW4504-500E


Avago Technologies High Speed Optocouplers 1Ch 12mA 100mW
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Broadcom 6068
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AUD 1.8971
Multiples of: 1

LTV-176G


SOP-4 Optocouplers - Phototransistor Output ROHS
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Lite-On 6016
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AUD 0.4683
Multiples of: 1

VOH1016AB-T2


High Speed Optocouplers 1MBps Schmitt-Trigr SMD-6; 180 deg
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Vishay 5984
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AUD 0.6206
Multiples of: 1

SFH6186-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 5965
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AUD 0.429
Multiples of: 1

6N137M


10Mbit/s 45ns 4.5V~5.5V 10kV/us DC DIP-8 Optocouplers - Logic Output ROHS
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Youtai 5810
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AUD 0.2567
Multiples of: 5

FODM124R2V


Transistor Output Optocouplers Phototransistor Out VDE Certified
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ON Semiconductor 5655
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AUD 0.2939
Multiples of: 1

EL3H7(TA)-VG


Everlight Transistor Output Optocouplers 50-600CTR 3750Vrms -55 to 110 Op Temp
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Everlight 5595
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AUD 0.24
Multiples of: 1

MOC3020S-TA1


Triac Optocouplers SMD-6 RoHS
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Lite-On 5044
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AUD 0.178
Multiples of: 5

VOMA617A-3X001T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=5MA
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Vishay 3238
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AUD 1.0812
Multiples of: 1

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