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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TLP2770(D4.E(O


Optocoupler; SMD; Ch: 1; OUT: totem pole; 5kV; 20Mbps; SO6L; 35kV/μs
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Toshiba 1
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AUD 2.466
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LOC112P


High Linearity Optocouplers Linear Optocoupler
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IXYS 1
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AUD 3.68
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4N22A


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin TO-78
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TT Electronics 1
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AUD 66.075
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HCPL-6750


Logic Output Opto-couplers 4Ch 1500%CTR Hermetically sealed
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Broadcom 1
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AUD 174.1
Multiples of: 1

PS9307L2-E3-AX


High Speed Optocouplers 0.6A 1GBTGate Coupler, long creepage, 125C, Pb-Free
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CEL 0
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AUD 0.0014
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TPC816S1C RAG


Transistor Output Optocouplers Photocoupler DC input 70V 50mA
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Taiwan Semiconductor 0
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AUD 0.0119
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PS2806-1-F3-A


Transistor Output Optocouplers Hi-Iso AC Input 1-Ch
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CEL 0
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AUD 0.0155
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PS2561L-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 0
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AUD 0.0155
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EL852


Everlight Transistor Output Optocouplers Photo Darlington Thru-Hole
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Everlight 0
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AUD 0.0155
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TLP525GF


Optoisolator Triac Output 2500Vrms 1 Channel 4-DIP
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Toshiba 0
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AUD 0.0155
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