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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PS2702-1-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 2704
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AUD 1.5367
Multiples of: 1

TCLT1108


Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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Vishay 2536
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AUD 0.4115
Multiples of: 1

EL3083S(TA)


Triac & SCR Output Optocouplers 800PBV 5000Vrms -55 to +100 Op Temp
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Everlight 2519
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AUD 0.443
Multiples of: 1

PS2805C-1-A


Transistor Output Optocouplers Quad sgl Tr AC Couplr
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CEL 2517
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AUD 1.8127
Multiples of: 1

SFH617A-4X001


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 2515
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AUD 0.5042
Multiples of: 1

TLP291(YH-TP,SE


Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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Toshiba 2512
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AUD 0.3286
Multiples of: 5

HCPL-817-500E


Transistor Output Optocouplers 5000 Vrms 50mA
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Broadcom 2334
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AUD 0.2994
Multiples of: 1

FOD8523S


Optocoupler; SMD; Channels:1; Out: Darlington; Uinsul:5kV
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ON Semiconductor 2277
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AUD 0.4746
Multiples of: 1

TLP290(BL-TP,SE


Toshiba Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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Toshiba 1987
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AUD 0.3081
Multiples of: 1

MOC3052SM


Optotriac; 5.3kV; Uout:600V; Gull wing 6; Channels:1; 1kV/µs
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ON Semiconductor 1828
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AUD 1.1124
Multiples of: 1

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