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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6N137M


High Speed Optocouplers 10Mb High Speed DC Input
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AUD 0.6808
Multiples of: 1

ILD615-4X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR > 160-320%
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AUD 0.6812
Multiples of: 50

TLP2348(V4-TPL,E


Logic Output Opto-couplers Photocoupler 30V 3mA 40ns 3750Vrms
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AUD 0.6823
Multiples of: 1

TLP3063(D4LF2S.C.F


Optotriac; 5kV; Uout:600V; zero voltage crossing driver; DIP6
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AUD 0.6833
Multiples of: 1

TLP266J(E(T


Triac & SCR Output Optocouplers
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AUD 0.6841
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VOT8125AG


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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AUD 0.6847
Multiples of: 1

TLP152(E


Toshiba Logic Output Optocouplers Gate Drive Phcplr 3750 Vrms
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AUD 0.6863
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6N139(F)


High Speed Optocouplers IC cplr 300Kbps CTR=400%min
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AUD 0.6867
Multiples of: 50

TLP621-2SM


Optocouplers SMD-8 RoHS
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AUD 0.6868
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PS2501-2SM


Optocouplers SMD-8 RoHS
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AUD 0.6875
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