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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TLP268J(V4-TPL,E(T


70mA 600V 1.27V Two-way thyristor Triac, SCR Output Optoisolators ROHS
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Toshiba 2910
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AUD 0.9063
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FOD2742BV


Fairchild Semiconductor Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 2910
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AUD 0.9257
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FODM3023_NF098


Fairchild Semiconductor Triac & SCR Output Optocouplers 400V Random Phase Triac Driver 5mA
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ON Semiconductor 2910
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AUD 0.9341
Multiples of: 1

TLP388(D4-TPL,E


Transistor Output Optocouplers Photocoupler 350V .05A 5000Vrms
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Toshiba 2910
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AUD 0.974
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HCPL4503SDM


High Speed Optocouplers 1Mbit/s HS Single Tran Out Coupler-NB
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ON Semiconductor 2910
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AUD 1.0692
Multiples of: 1000

4N35-500E


Transistor Output Optocouplers 3550 Vrms 60mA
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Broadcom 2910
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AUD 1.1448
Multiples of: 1

HCPL-M454-500E


Avago Technologies High Speed Optocouplers 1MBd 3750Vdc
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Broadcom 2910
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AUD 1.402
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FODM453V


High Speed Optocouplers HS/High CMR Trans Output Optocoupler
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ON Semiconductor 2910
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AUD 1.6069
Multiples of: 1

ACPL-M43T-500E


Optoisolator Transistor Output 4000Vrms 1 Channel 5-SO
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Broadcom 2910
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AUD 1.6833
Multiples of: 1

HCPL-4506-500E


Logic Output Optoisolator Open Collector, Schottky Clamped 3750Vrms 1 Channel 15kV/µs CMTI 8-DIP Gull Wing
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Broadcom 2910
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AUD 1.8367
Multiples of: 1

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