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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TCMD1000


Transistor Output Optocouplers Photodarlington Out Single CTR >600%
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Vishay 26492
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AUD 0.4745
Multiples of: 1

SFH6156-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 26190
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AUD 0.2846
Multiples of: 1000

TLX9906(TPL,F


Photodiode Output Optocouplers PV Coupler Automotive; AEC-Q101
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Toshiba 26180
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AUD 3.2692
Multiples of: 1

LTV-816S-TA1-A


Transistor Output Optocouplers P/C LTV-816S-TA1-A TAPING TYPE II
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Lite-On 26131
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AUD 0.058
Multiples of: 10

EL3H4(A)(TB)-VG


Transistor Output Optocouplers Optocoupler
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Everlight 25928
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AUD 0.0989
Multiples of: 5

VOS617A-8T


Transistor Output Optocouplers CTR 130-260% 5mA
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Vishay 25914
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AUD 0.2824
Multiples of: 1

PC817X3NSZ2B


Optocouplers DIP-4 RoHS
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Sharp 25792
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AUD 0.1648
Multiples of: 5

H11L1SR2VM


Logic Output Opto-couplers Optocoupler Schmitt Trigger
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ON Semiconductor 25220
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AUD 0.4121
Multiples of: 1000

VOM618A-3T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% 1mA
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Vishay 25101
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AUD 0.2561
Multiples of: 1

Hot ILD207T


Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200%
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Vishay 24633
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AUD 0.7207
Multiples of: 1

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