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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EL3022


Triac Optocouplers DIP-6 RoHS
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Everlight 161
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AUD 0.4555
Multiples of: 1

CYHCPL2531


DIP-8 Transistor Output Optocoupler ROHS
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OCIC 136
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AUD 0.86
Multiples of: 1

HCPL0601V


High Speed Optocouplers 10MBit Optocoupler HS Logic Gate
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ON Semiconductor 136
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AUD 1.043
Multiples of: 1

K30101B


Optocouplers DIP-4 RoHS
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Cosmo 135
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AUD 0.1824
Multiples of: 5

MOC3021M


1 5000V 100mA 60mA 400V 100V/us 1.18V No Two-way thyristor -55℃~+100℃ DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 126
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AUD 0.1705
Multiples of: 5

HCNW4503-300E


High Speed Optocouplers 1Ch 16mA 700mW
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Broadcom 123
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AUD 2.8836
Multiples of: 1

TLP293-4(LGB,E(T


SO-16 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 120
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AUD 1.3003
Multiples of: 1

RV1S9960ACCSP-10YC#SC0


High Speed Optocouplers HI-SPD OPTCPLR 8PIN LSDIP
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Renesas 98
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AUD 9.1448
Multiples of: 1

H11AA1SM


Transistor Output Optocouplers MOT AC IN-TRANS OUT
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ON Semiconductor 0
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AUD 0.22
Multiples of: 50

LTV-816S-TP-C


DIP-4 Optocouplers - Phototransistor Output ROHS
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Lite-On 0
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AUD 0.0594
Multiples of: 10

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