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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TLP5752H(D4TP4,E


Logic Output Opto-couplers GATE DRIVE COUPLER
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Toshiba 2777
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AUD 1.254
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CNY17-2


Transistor Output Optocouplers NPN Phototransistor
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Vishay 2776
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AUD 0.316
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HCPL-0454-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 2774
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AUD 0.6784
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6N135-L


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:20V
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Lite-On 2770
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AUD 0.3613
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SFH6156-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 2768
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AUD 0.3889
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FOD8342R2


Logic Output Optocouplers 3.0A, HighSpeed Gate Drive Optocoupler
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ON Semiconductor 2768
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AUD 0.8992
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ATM3042-CuH-SE


100mA 60mA 400V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 2764
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AUD 0.1905
Multiples of: 5

TLP2363(V4-TPL,E(O


SOIC-5 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2763
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AUD 1.368
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TLP185(BLL-TL,SE(T


SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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Toshiba 2759
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AUD 0.1491
Multiples of: 5

TLP2309(TPL,E(T


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 5-Pin SO T/R
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Toshiba 2759
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AUD 1.254
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