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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MCT5211M


Transistor Output Optocouplers Phototransistor
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ON Semiconductor 3555
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AUD 0.8241
Multiples of: 1

VO615A-3X006


Transistor Output Optocouplers H.Temp Phototrnstr 100-200% CTR
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Vishay 3551
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AUD 0.1746
Multiples of: 1

LTV-825


Optocoupler; THT; Channels:2; Out: Darlington; Uinsul:5kV; Uce:35V
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Lite-On 3546
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AUD 0.3719
Multiples of: 1

SFH615AA


Transistor Output Optocouplers Phototransistor Out Single CTR 50-600%
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Vishay 3542
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AUD 0.3733
Multiples of: 1

PS2805C-1-A


Transistor Output Optocouplers Quad sgl Tr AC Couplr
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CEL 3541
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AUD 2.0197
Multiples of: 1

FOD060L


High Speed Optocouplers Dual Ch 3.3V Logic Output Optocoupler
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ON Semiconductor 3540
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AUD 0.9917
Multiples of: 1

Hot SFH6106-2


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 3538
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AUD 0.3007
Multiples of: 1

Hot VOM3052-X001T


Triac & SCR Output Optocouplers Phototriac, NZC 10mA,1.5K dV/dt VDE
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Vishay 3538
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AUD 0.5792
Multiples of: 1

LTV-847


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:5kV; Uce:35V LTV847-V DIP16
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Lite-On 3530
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AUD 0.3092
Multiples of: 5

HCPL-M611-500E


High Speed Optocouplers 10MBd 3750Vdc
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Broadcom 3524
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AUD 0.5998
Multiples of: 1

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