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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LTV-826S-TA1


Transistor Output Optocouplers Optocoupler
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Lite-On 6764
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AUD 0.2844
Multiples of: 1

6N135S-TA1


High Speed Optocouplers High Speed 1MBd Transistor Output
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Lite-On 5810
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AUD 0.3881
Multiples of: 1

VO617A-8


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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Vishay 5807
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AUD 0.165
Multiples of: 1

IS181GB


Optocouplers SOP-4_P2.54 RoHS
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Isocom 5785
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AUD 0.2119
Multiples of: 1

MCT62S


Optocoupler; SMD; Channels:2; Out: transistor; Uinsul:5.3kV
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ON Semiconductor 5746
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AUD 0.4541
Multiples of: 1

VOM160NT


Triac & SCR Output Optocouplers 600V 5mA 0.5K DV/DT Non-Zero Crossing
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Vishay 5527
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AUD 0.4274
Multiples of: 1

TLP621GB-1


Optocouplers DIP-4 RoHS
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Youtai 5141
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AUD 0.0972
Multiples of: 5

VOMA617A-X001T


Transistor Output Optocouplers Phototransistor Out CTR 50-600% 5mA VDE
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Vishay 4177
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AUD 1.023
Multiples of: 1

PC817X3NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 Channel
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Sharp 3013
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AUD 0.3221
Multiples of: 1

PC357N2J0000C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Sharp 2861
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AUD 0.0918
Multiples of: 5

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