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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HCPL-7800-500E


Optically Isolated Amplifiers 4.5 - 5.5 SV 8 dB
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Broadcom 974
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AUD 4.8072
Multiples of: 1

ACPL-H342-560E


Avago Technologies Logic Output Optocouplers Optocoupler
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Broadcom 973
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AUD 3.5777
Multiples of: 1

CNY17-4-300E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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Broadcom 972
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AUD 0.7556
Multiples of: 1

PS2805C-4-A


Transistor Output Optocouplers Quad sgl Tr AC Couplr
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CEL 970
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AUD 4.7667
Multiples of: 1

PC817B-HXY


Photovoltaic Output Optoisolators
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HXY MOS 970
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AUD 0.039
Multiples of: 20

LTV-816-D-CU


DIP-4 Optocouplers - Thyristor Signal Output ROHS
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Lite-On 970
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AUD 0.0561
Multiples of: 10

VO615A-4X009T


Transistor Output Optocouplers Optcplr 160-320% CTR 10mA SMD-4
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Vishay 970
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AUD 0.145
Multiples of: 1000

MOC3051S


60mA 600V 1.18V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 970
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AUD 0.1558
Multiples of: 5

LTV-817M-D


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 970
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AUD 0.1667
Multiples of: 1

AT3052-CuH-SE


100mA 60mA 600V 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 970
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AUD 0.1806
Multiples of: 5

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