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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LTV-844HS


Transistor Output Optocouplers Optocoupler AC in 4-CHNL
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Lite-On 6670
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AUD 0.8021
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SFH620A-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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Vishay 6552
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AUD 0.4321
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PS2911-1-AX


Transistor Output Optocouplers OPTOCOUPLER 4-PIN SSOP
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Renesas 6549
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AUD 3.5265
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FOD8318R2V


Logic Output Optocouplers VDE tested, 2.5A IGBT Drive Optocoupl
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ON Semiconductor 6547
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AUD 5.1083
Multiples of: 750

6N138S-TA1


High Speed Optocouplers Darlington 100KBd Transistor Output
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Lite-On 6509
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AUD 0.3997
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TLP293(GRL-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Transistor Optocoupler AC 125C
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Toshiba 6469
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AUD 0.3714
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VO615A-8X017T


Transistor Output Optocouplers Optocoupler SMD4
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Vishay 6448
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AUD 0.1776
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MOC3022


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 5892
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AUD 0.1666
Multiples of: 5

EL0600(TA)


High Speed Optocouplers Optocouplers
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Everlight 5708
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AUD 0.5412
Multiples of: 5

SFH6186-3T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1486
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AUD 0.4453
Multiples of: 1

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