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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MOC3052VM


Triac & SCR Output Optocouplers DIP-6 NON-ZERO TRIAC
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ON Semiconductor 1753
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AUD 0.4778
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ACPL-M50L-000E


High Speed Optocouplers Low Drive Opto
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Broadcom 1645
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AUD 1.9224
Multiples of: 1

MOC3081TVM


Triac & SCR Output Optocouplers Zerp Crossing Triac
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ON Semiconductor 970
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AUD 0.5319
Multiples of: 1

MOC3072SVM


Triac & SCR Output Optocouplers 6PW RP TRIAC SMD VDE
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ON Semiconductor 808
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AUD 1.0885
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HMHA2801AR2V


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 805
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AUD 0.5788
Multiples of: 1

TLP293(V4-GHTL,E(T


SO-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 774
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AUD 0.3394
Multiples of: 1

HCPL2531VM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 770
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AUD 1.3266
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ACPL-C784-500E


Avago Technologies Optically Isolated Amplifiers 5000 Vrms 10 kHz
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Broadcom 769
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AUD 2.3631
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HCPL-0611-000E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 768
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AUD 2.5284
Multiples of: 1

ACPL-054L-500E


High Speed Optocouplers Optocouplers 1MBd
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Broadcom 757
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AUD 1.7292
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