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 170850
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AUD 0.0806
Multiples of: 5

PC817C


SMD-4 Optocouplers - Phototransistor Output ROHS
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GOODWORK 167751
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AUD 0.027
Multiples of: 20

PC817C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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JSMSEMI 167179
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AUD 0.0409
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PS2802-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 165643
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AUD 0.8433
Multiples of: 1

MOC217R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 164900
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AUD 0.3108
Multiples of: 2500

LTV-357T-B


Transistor Output Optocouplers P/C LTV-357T BIN B (2.0) STD. TYPE
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Lite-On 164570
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AUD 0.0776
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FOD3182SDV


Fairchild Semiconductor High Speed Optocouplers High Speed 3A OUT MOSFET Gate Driver
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ON Semiconductor 161408
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AUD 2.3478
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EL3063


Triac & SCR Output Optocouplers 600PBV 5000Vrms -55 to +100 Op Temp
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Everlight 142604
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AUD 0.1622
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TLP185(GB-TPL,SE(T


Transistor Output Optocouplers
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Toshiba 125915
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AUD 0.1102
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TLP109(TPL,E


High Speed Optocouplers Pwr Supply 30V 125 degC 3750 Vrms
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Toshiba 80000
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AUD 0.4362
Multiples of: 1

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