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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ACPL-W343-500E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 4926
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AUD 1.0736
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ACPL-W454-560E


Avago Technologies High Speed Optocouplers 1MBd 3750Vrms
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Broadcom 73
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AUD 2.7073
Multiples of: 1

6N139TVM


High Speed Optocouplers 8-Pin DIP Single-Channel Low Input Current High Gain Split Darlington Output Optocoupler
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ON Semiconductor 69
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AUD 1.0819
Multiples of: 1

K815P


Transistor Output Optocouplers Photodarlington Out Single CTR > 600%
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Vishay 69
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AUD 1.1016
Multiples of: 1

PS9505L3-AX


High Speed Optocouplers 15-30Volts 10mA -40C +110C High CMR
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CEL 69
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AUD 4.0385
Multiples of: 1

K10103D


80V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC DIP-4 Transistor Output Optocoupler ROHS
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Cosmo 67
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AUD 0.0635
Multiples of: 10

MOC3023D


60mA 400V 1.15V Two-way thyristor DIP Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 67
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AUD 0.1495
Multiples of: 5

PC3SD21YXPCH


Optotriac; 5kV; zero voltage crossing driver; Gull wing 6
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Sharp 67
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AUD 0.8275
Multiples of: 1

ICPL3120


Optocouplers DIP-8 RoHS
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Isocom 64
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AUD 0.7711
Multiples of: 1

TLP5214A(TP,E


Logic Output Optocouplers Photocoupler 35V 3.8mA 5000Vrms
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Toshiba 58
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AUD 2.2027
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