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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TLP620SM


Optocouplers SMD-4 RoHS
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Isocom 38800
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AUD 0.3325
Multiples of: 100

SFH620A-3XSMT&R


AC INPUT PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
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Isocom 38800
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AUD 0.4381
Multiples of: 1000

TIL198


Optocoupler DC-IN 2-CH Darlington DC-OUT 8-Pin PDIP
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Isocom 38800
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AUD 0.716
Multiples of: 50

PS2505-2


Optocouplers DIP-8 RoHS
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Isocom 38800
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AUD 0.716
Multiples of: 50

TIL111


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP6
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Isocom 38775
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AUD 0.2983
Multiples of: 65

MCT210


Transistor Output Optocouplers DIP-6 PHOTO TRANS
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Isocom 38775
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AUD 0.3132
Multiples of: 65

MCT2


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
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Isocom 38775
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AUD 0.5424
Multiples of: 65

H11L2SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 6
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Isocom 38775
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AUD 0.705
Multiples of: 65

6N137S-TA1


Logic Output Optoisolator 15MBd Open Collector 5000Vrms 1 Channel 10kV/µs CMTI 8-SMD
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Lite-On 38032
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AUD 0.3825
Multiples of: 1

PS2801-4-A


Transistor Output Optocouplers OPTOCOUPLER 16-PIN SSOP
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Renesas 37527
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AUD 3.523
Multiples of: 1

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