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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14230626111


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac ZC / WE30x DIP 6 M-Type 600V 10mA ZC
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Wurth 194
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AUD 1.0299
Multiples of: 1

MOC3023M


100mA 60mA 400V 1.18V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 194
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AUD 0.1533
Multiples of: 5

Hot CNY171SR2VM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 192
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AUD 0.3009
Multiples of: 1

PM1204


IXYS Integrated Circuits Triac & SCR Output Optocouplers 500mA SPST-NO
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IXYS 192
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AUD 10.7701
Multiples of: 1

CNY17-2


Transistor Output Optocouplers 63-125CTR 5000Vrms -55 to +110 Op Temp
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Everlight 189
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AUD 0.3573
Multiples of: 2

LDA203S


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 189
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AUD 1.2955
Multiples of: 1

AT4N27-CuH-S


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC SMD-6P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 169
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AUD 0.1693
Multiples of: 5

ILD620GB-X009T


Transistor Output Optocouplers Phototransistor Out Dual CTR > 100%
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Vishay 166
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AUD 2.054
Multiples of: 1

4N49


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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TT Electronics 166
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AUD 60.5
Multiples of: 1

ACPL-337J-500E


Logic Output Opto-couplers 2.5A IGBT Gate Drive Optocoupler 15V-30V
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Broadcom 0
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AUD 3.3784
Multiples of: 1

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