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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6N135M


High Speed Optocouplers High Speed 1MBd Transistor Output
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Lite-On 1383
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AUD 0.385
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VO3150A-X007T


Logic Output Optocouplers 0.5A Current Out IGBT/MOSFET Drvr
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Vishay 1382
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AUD 1.1424
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RV1S9160ACCSP-100V#SC0


Photocoupler CMOS 15Mbps 3.3V/5V 5-Pin SOP Emboss T/R
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Renesas 1374
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AUD 4.3462
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ATM3061-CuH-SE


100mA 60mA 600V 1.5V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 1372
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AUD 0.1462
Multiples of: 5

HCPL0637


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 1371
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AUD 2.6871
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TLP182(GR-TPL,E


Transistor Output Optocouplers X36 PBF Trans Opto couplr 125C3750Vrms
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Toshiba 1369
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AUD 0.3394
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LTV-827


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 1367
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AUD 0.1927
Multiples of: 5

TLP291(TP,SE


Toshiba Transistor Output Optocouplers 50mA 80V Gen Purp 50mA 1 Circuit
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Toshiba 1367
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AUD 0.274
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TIL113M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 1366
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AUD 0.352
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HCPL-7800-500E


Optically Isolated Amplifiers 4.5 - 5.5 SV 8 dB
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Broadcom 1365
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AUD 4.0788
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