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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TLP3475SRHA4(TPE


MOSFET Output Optocouplers Photorelay; Low CR; High Temp; 4-Ch
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Toshiba 465
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AUD 21.6
Multiples of: 1

TCDT1103


Transistor Output Optocouplers Phototransistor Out
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Vishay 464
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AUD 0.3121
Multiples of: 1

LTP-1G4


SOP-4 Optocouplers - Phototransistor Output ROHS
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Letex Technology 463
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AUD 0.9399
Multiples of: 1

SFH6186-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 461
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AUD 0.4511
Multiples of: 1

MOC3023M


100mA 60mA 400V 1.18V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 460
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AUD 0.1406
Multiples of: 5

6N138M


4.5V~18V 1kV DC DIP-8 Logic Output Optoisolators ROHS
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AOTE 460
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AUD 0.2721
Multiples of: 5

ISP814X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP4
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Isocom 459
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AUD 0.3636
Multiples of: 1

IL4108-X007T


Triac & SCR Output Optocouplers Phototriac, H. dV/dt Zero Crossing 800V
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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.

Vishay 459
Ships to you
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AUD 3.181
Multiples of: 1

TLP3823F(TP4,F


MOSFET Output Optocouplers Photorelay 3.0A 100V 2500Vrms 720pF 5mA
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Toshiba 457
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AUD 7.4334
Multiples of: 1

EL3052S(TA)


60mA 600V 1.18V SMD-6P Triac, SCR Output Optoisolators ROHS
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Everlight 455
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AUD 0.1637
Multiples of: 5

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