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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IS357D


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Isocom 4671
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AUD 0.2756
Multiples of: 1

FOD2741AS


Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 4667
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AUD 1.189
Multiples of: 1

CNY17F-1S


Transistor Output Optocouplers HCEV, 40%, 5KV
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Lite-On 4652
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AUD 0.2002
Multiples of: 1

FOD817B300


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 4650
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AUD 0.1106
Multiples of: 1

VOS618A-X001T


Transistor Output Optocouplers CTR 50-600% 1MA
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Vishay 4648
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AUD 0.241
Multiples of: 1

SFH615A-3X007


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 4644
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AUD 0.4522
Multiples of: 1

VO2611-X016


High Speed Optocouplers Optocoupler DIP-8
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Vishay 4643
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AUD 1.621
Multiples of: 1

VOM618A-3T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% 1mA
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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 4628
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AUD 0.22
Multiples of: 1

VOM618A-2T


Transistor Output Optocouplers Phototransistor Out CTR 63-125% 1mA
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Vishay 4621
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AUD 0.22
Multiples of: 1

MOC3022M


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 4616
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AUD 0.2567
Multiples of: 1

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