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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AT814B-CuH-S


5kV 200mV@1mA,20mA 1 1.2V SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 4462
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AUD 0.0919
Multiples of: 5

CT184GB(T1)


Optocouplers SOP-4_P2.54 RoHS
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CT Micro International 2573
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AUD 0.3266
Multiples of: 1

TLP185(TPR,SE(T


SO-6 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2565
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AUD 0.303
Multiples of: 5

FODM214


Optocoupler; SMD; Ch: 1; OUT: transistor; Uinsul: 3.75kV; Uce: 80V
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 2467
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AUD 0.4806
Multiples of: 1

VOS617A-4X001T


Transistor Output Optocouplers CTR 160-320% 5mA
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Vishay 2414
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AUD 0.2355
Multiples of: 1

TLP701(TP,F)


Logic Output Opto-couplers IC Cplr IGBT drive IFLH=5mA
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Toshiba 2332
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AUD 1.1085
Multiples of: 1

TLP2309(TPL,E)


High Speed Optocouplers 3.3V 5V Supply Volt 30V 1A 3750Vrms
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Toshiba 1989
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AUD 0.4087
Multiples of: 1

VOM618A-3X001T


Transistor Output Optocouplers Phototransistor 100-200% CTR 1mA VDE
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Vishay 1608
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AUD 0.2671
Multiples of: 1

TLP388(GB-TPL,E


Transistor Output Optocouplers Photocoupler 350V .05A 5000Vrms
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Toshiba 1584
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AUD 0.5968
Multiples of: 1

MOC3020S-TA1


Triac Optocouplers SMD-6 RoHS
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Lite-On 659
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AUD 0.186
Multiples of: 5

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