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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4N29SM


Transistor Output Optocouplers Photodarlington
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AUD 0.3719
Multiples of: 1

PC817X4J000F


PC817X4J000F PHOTOCOUPLER TRAN OUT 4-DIP
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AUD 0.3723
Multiples of: 1

PC12311NSZ0X


Transistor Output Optocouplers Photocoupler Lead Free
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AUD 0.3726
Multiples of: 1

4N35M_F132


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP White Bulk
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ON Semiconductor 0
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AUD 0.3729
Multiples of: 1

TLP387(D4,E


Transistor Output Optocouplers Photocoupler 300V .15A 5000Vrms
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Toshiba 0
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AUD 0.3732
Multiples of: 1

VOS627A-4T


Transistor Output Optocouplers SSOP-4 CPLR 160-320% CTR
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Vishay 0
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AUD 0.3748
Multiples of: 1

PS2561L-1-F3-L-A


Transistor Output Optocouplers BV=5000Vr.m.s 1 Channel
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CEL 0
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AUD 0.3749
Multiples of: 2000

PC81100NSZ0F


Transistor Output Optocouplers Photocoupler Schottkey
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Sharp 0
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AUD 0.375
Multiples of: 1

MOC8100TVM


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP White Bulk
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ON Semiconductor 0
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AUD 0.375
Multiples of: 1

CNY117-4


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 0
6 to 16 Weeks Calender.png

AUD 0.3751
Multiples of: 1

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