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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TLP785F(D4GRT7,F


Optocouplers Through Hole RoHS
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AUD 0.2035
Multiples of: 5

VO615A-4X016


Transistor Output Optocouplers H.Temp Phototrnstr 160-320% CTR VDE
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AUD 0.2036
Multiples of: 1

4N35


DIP-6 Optocouplers - Phototransistor Output ROHS
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AUD 0.2036
Multiples of: 5

CT4N25


Optocouplers DIP-6 RoHS
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AUD 0.2037
Multiples of: 5

PC123X2YSZ0F


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP Sleeve
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AUD 0.2038
Multiples of: 100

KL3043


400V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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AUD 0.204
Multiples of: 5

KL3033


250V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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AUD 0.204
Multiples of: 5

KL3031


250V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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AUD 0.204
Multiples of: 5

KL3042


400V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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AUD 0.204
Multiples of: 5

EL3H7(A)-G


Transistor Output Optocouplers 50-600CTR 3750Vrms -55 to +110 Op Temp
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AUD 0.2217
Multiples of: 1

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