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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4N25-560E


Transistor Output Optocouplers 2500 Vrms 80mA
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AUD 0.2719
Multiples of: 1

CNY17-3-W60E


Avago Technologies Transistor Output Optocouplers 5000 Vrms 0.3mA
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AUD 0.2719
Multiples of: 1

HCPL-814-W00E


Avago Technologies Transistor Output Optocouplers 5000 Vrms 20% CTR
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AUD 0.2719
Multiples of: 22800

ELM3052


SOP-4-2.54mm Optocouplers - Thyristor Signal Output ROHS
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AUD 0.2719
Multiples of: 5

OR-6N136


80V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC DIP-8 Optocouplers - Phototransistor Output ROHS
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Orient 0
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AUD 0.2722
Multiples of: 5

K3022PG


Triac & SCR Output Optocouplers Phototriac Output Non-Zero Crossing
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AUD 0.2723
Multiples of: 1

TCET1600


Transistor Output Optocouplers Phototransistor Out Single CTR >20%
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AUD 0.2723
Multiples of: 1

TLP785(GB-LF6,F)


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP
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AUD 0.2725
Multiples of: 100

MOC3041


MOC3041
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AUD 0.2726
Multiples of: 5

FODM217DR2


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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AUD 0.2734
Multiples of: 3000

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