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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IS622XSM


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver
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Isocom 5
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AUD 0.78
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HCNW4506-300E


Logic Output Opto-couplers 1Ch 12mA 145mW
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Broadcom 5
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AUD 5.4163
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NTE3049


Optocoupler Triac AC-OUT 1-CH 250VDRM 6-Pin PDIP
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NTE 5
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AUD 6.0208
Multiples of: 1

OPI155


Logic Output Optoisolator 5Mbps Open Collector, Schottky Clamped 50000VDC 1 Channel CMTI
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TT Electronics 5
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AUD 128.4206
Multiples of: 1

TLP785(BL-TP6,F(C


SOP-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 4
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AUD 0.1841
Multiples of: 5

IS357


Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD
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Isocom 4
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AUD 0.2305
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ILD55-X009


Transistor Output Optocouplers Photodarlington Out Dual CTR > 100%
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Vishay 4
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AUD 1.7654
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PVI5080NSPBF


Photodiode Output Optocouplers 1 Form A Photo Voltaic Isolator
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Infineon 4
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AUD 4.4444
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NTE3048


Optocoupler Triac AC-OUT 1-CH 400VDRM 6-Pin PDIP
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NTE 4
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AUD 4.5833
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NTE3093


Optocoupler DC-IN 1-CH Darlington With Base DC-OUT 8-Pin PDIP
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NTE 4
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AUD 6.125
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