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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MOC3021M


100mA 60mA 400V 1.15V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 1624
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AUD 0.1404
Multiples of: 5

PC817X2NIP1B


Transistor Output Optocouplers Photocoupler
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Sharp 1624
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AUD 0.1514
Multiples of: 5

ACPL-M61L-560E


High Speed Optocouplers 10MBd 15k V/us
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Broadcom 1623
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AUD 1.1901
Multiples of: 1

Hot SFH601-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1622
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AUD 0.546
Multiples of: 1

PC925LENIP0F


Optocouplers SMD-8_6.3mm RoHS
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Sharp 1619
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AUD 1.1577
Multiples of: 1

CNY174SR2M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1616
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AUD 0.3127
Multiples of: 1

PS2562L-1-F3-A


Transistor Output Optocouplers Darlington Tr DC BSI Couplr
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Renesas 1616
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AUD 0.6694
Multiples of: 1

IL4216


Triac & SCR Output Optocouplers Phototriac Output Very Low Input Curr
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Vishay 1615
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AUD 2.64
Multiples of: 1

ACPL-C78A-500E


Optically Isolated Amplifiers 5000 Vrms 10 kHz
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Broadcom 1613
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AUD 8.2894
Multiples of: 1

ISP814XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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Isocom 1612
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AUD 0.4
Multiples of: 1

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