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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TLP293(Y-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Transistor Optocoupler AC 125C
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Toshiba 2425
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AUD 0.2657
Multiples of: 2500

HMHA2801AR2


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 2425
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AUD 0.2758
Multiples of: 2500

HMHA281R2V


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 2425
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AUD 0.3156
Multiples of: 1

MOC212R2M


Fairchild Semiconductor Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 2425
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AUD 0.3527
Multiples of: 1

MOC256R2M


Transistor Output Optocouplers SO-8 AC INPUT T/R
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ON Semiconductor 2425
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AUD 0.4167
Multiples of: 2500

TLP290(V4BLTP,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2425
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AUD 0.5501
Multiples of: 1

TLP293(V4-GHTL,E(T


SO-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2425
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AUD 0.5777
Multiples of: 1

TLP291(V4GLTR,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2425
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AUD 0.6555
Multiples of: 1

HCPL0731R2


Fairchild Semiconductor High Speed Optocouplers Dual Ch Optocoupler LCHG SplitDarlington
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ON Semiconductor 2425
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AUD 0.8846
Multiples of: 2500

FOD2712AR2V


Transistor Output Optocouplers OPTICALLY ISOLATED ERROR AMPLIFIER
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ON Semiconductor 2425
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AUD 1.0531
Multiples of: 1

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