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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H11L1SR2M


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; 1Mbps
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ON Semiconductor 165870
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AUD 0.3945
Multiples of: 1000

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

FOD3182SDV


Fairchild Semiconductor High Speed Optocouplers High Speed 3A OUT MOSFET Gate Driver
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 161408
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AUD 2.2471
Multiples of: 1

MOC217R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 160050
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AUD 0.2975
Multiples of: 2500

PC817C


DIP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 133801
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AUD 0.026
Multiples of: 20

PC817X2CSP9F


Transistor Output Optocouplers Photocoupler
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Sharp 127981
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AUD 0.0941
Multiples of: 5

PC817C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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JSMSEMI 125547
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AUD 0.0393
Multiples of: 10

Hot LTV-356T-B


Transistor Output Optocouplers P/C LTV-356T BIN B (2.0) STD. TYPE
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Lite-On 104852
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AUD 0.0764
Multiples of: 5

4N35SR2M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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ON Semiconductor 83420
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AUD 0.2607
Multiples of: 1000

MOC3042M


Optotriac; 4.17kV; triac; DIP6; Channels:1; 1kV/µs
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ON Semiconductor 18818
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AUD 0.4375
Multiples of: 1

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