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 LTV-356T-B


Transistor Output Optocouplers P/C LTV-356T BIN B (2.0) STD. TYPE
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Lite-On 161660
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AUD 0.0707
Multiples of: 10

PC357A


3.75kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4-208mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 8700
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AUD 0.0579
Multiples of: 10

OR-3H4A-TP-G


80V 3750V 50mA 0.1V@1mA,20mA 1 6V 1.2V AC SOP-4 Optocouplers - Phototransistor Output ROHS
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Orient 8700
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AUD 0.0799
Multiples of: 5

TLX9376(TPL,F


Logic Output Opto-couplers IC Coupler Automotive; AEC-Q101
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Toshiba 8653
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AUD 3.2692
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ELM3052


100mA 60mA 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 8628
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AUD 0.2777
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TCLT1009


Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
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Vishay 8536
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AUD 0.2657
Multiples of: 5

TLP187(V4-TPL,E


Transistor Output Optocouplers
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Toshiba 8477
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AUD 0.6632
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MCT62S


Optocoupler; SMD; Channels:2; Out: transistor; Uinsul:5.3kV
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ON Semiconductor 8032
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AUD 0.5011
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FOD4208


Triac & SCR Output Optocouplers 800V RANDOM PHASE TRIAC
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ON Semiconductor 5335
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AUD 3.5444
Multiples of: 1

ACNT-H313-500E


Avago Technologies Logic Output Optocouplers 14.2mm Gate Drive Optocoupler
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Broadcom 0
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AUD 6.7284
Multiples of: 1000

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