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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TCLT1109


Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
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Vishay 2479
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AUD 0.3032
Multiples of: 1

MOC211R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 2425
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AUD 0.2673
Multiples of: 2500

LTV-849


Transistor Output Optocouplers Optocplr Phototrans 4-CHNL
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Lite-On 2425
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AUD 0.6716
Multiples of: 25

FOD2742BR2V


Fairchild Semiconductor Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 2425
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AUD 1.0788
Multiples of: 1

VOM3052T


Triac & SCR Output Optocouplers 600V 10mA 1.5K DV/DT Non-Zero Crossing
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Vishay 2423
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AUD 0.6272
Multiples of: 1

SFH628A-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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Vishay 2413
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AUD 0.4672
Multiples of: 1

FOD8343TR2V


Logic Output Optocouplers 4A WIDE LEAD GATE D RIVER
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ON Semiconductor 2412
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AUD 1.9429
Multiples of: 1

PC817X3NIP2B


80V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC SOP-4-2.54mm Transistor Output Optocoupler ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Sharp 2352
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AUD 0.1281
Multiples of: 5

CNY17-3X017


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 2223
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AUD 0.4351
Multiples of: 1

MOCD211M


Optocoupler; SMD; Channels:2; Out: transistor; 2.5kV; SO8
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ON Semiconductor 0
6 to 16 Weeks Calender.png

AUD 0.22
Multiples of: 3000

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