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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TCMT1107


Transistor Output Optocouplers Phototransistor Out
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Vishay 7536
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AUD 0.2676
Multiples of: 1

TLP2345(TPL,E


Optocouplers SO-5 RoHS
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Toshiba 7515
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AUD 0.7509
Multiples of: 1

KPS28010BTLD


Optocouplers SOP-4_P1.27 RoHS
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Cosmo 7507
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AUD 0.099
Multiples of: 5

VOM617A-9T


Transistor Output Optocouplers Phototransistor Out CTR 200-400% 5mA
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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 7503
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AUD 0.22
Multiples of: 1

TCDT1103G


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 7499
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AUD 0.2873
Multiples of: 1

LTV-844S


Optocoupler; SMD; Channels:4; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 7465
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AUD 0.5254
Multiples of: 1

VO615A-4X019T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 7455
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AUD 0.1729
Multiples of: 1

PC817B


DIP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 7449
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AUD 0.0262
Multiples of: 20

Hot SFH620A-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-200%
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Vishay 7391
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AUD 0.3278
Multiples of: 1

MOC3063M


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor 7388
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AUD 0.4435
Multiples of: 1

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