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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TLP291(TP,SE


Toshiba Transistor Output Optocouplers 50mA 80V Gen Purp 50mA 1 Circuit
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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.

Toshiba 29100
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AUD 0.2528
Multiples of: 2500

Hot CNY17F3VM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; DIP6
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ON Semiconductor 3533
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AUD 0.277
Multiples of: 1

MOC3023SR2VM


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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ON Semiconductor 2624
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AUD 0.3051
Multiples of: 1

IL420-X009T


Triac & SCR Output Optocouplers Phototriac Output, Low Input Current
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Vishay 1661
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AUD 2.1343
Multiples of: 1

H11G2SR2VM


Fairchild Semiconductor Transistor Output Optocouplers High Voltage Photodarlington Out
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ON Semiconductor 709
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AUD 0.4613
Multiples of: 1

LDA100STR


IXYS Integrated Circuits Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 698
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AUD 0.677
Multiples of: 1

CNY17F-1X019


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 685
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AUD 0.4808
Multiples of: 1

MOC8204M


Transistor Output Optocouplers Hi Volt Phototrans
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ON Semiconductor 684
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AUD 1.1973
Multiples of: 1

TCET1103G


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 670
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AUD 0.2463
Multiples of: 1

VO2611-X017T


Vishay Semiconductors High Speed Optocouplers Optocoupler SMD-8
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Vishay 600
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AUD 1.476
Multiples of: 1

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