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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PC3H7DJ0001H


Transistor Output Optocouplers Photocoupler
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Sharp 189
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AUD 0.3188
Multiples of: 5

CNY17-2


Transistor Output Optocouplers 63-125CTR 5000Vrms -55 to +110 Op Temp
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Everlight 189
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AUD 0.356
Multiples of: 2

LDA203S


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 189
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AUD 1.3
Multiples of: 1

ACPL-W343-560E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 189
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AUD 1.3882
Multiples of: 1

ISP814X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP4
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Isocom 186
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AUD 0.394
Multiples of: 1

TLP621-2SM


Optocouplers SMD-8 RoHS
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Isocom 186
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AUD 0.5198
Multiples of: 1

ACPL-W343-500E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 178
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AUD 1.0258
Multiples of: 1

MOC3052S


60mA 600V 1.18V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 0
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AUD 0.1302
Multiples of: 5

AT4N30-CuH-D


100mA 5kV 1V@2mA,8mA 1 3V 1.3V DC DIP-6 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 0
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AUD 0.2214
Multiples of: 5

LTV-3053


Triac & SCR Output Optocouplers O/C LTV3053TP1-V-LR SMD TYPE
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Lite-On 0
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AUD 0.3726
Multiples of: 5

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