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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FODM8801B


Transistor Output Optocouplers OptoHiT Phototrans 75V 1-Ch CTR 260%
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ON Semiconductor 4994
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AUD 0.8407
Multiples of: 1

PS2811-4-F3-A


Transistor Output Optocouplers Optocoupler 16-pin SSOP
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Renesas 4875
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AUD 2.5148
Multiples of: 1

FOD060L


High Speed Optocouplers Dual Ch 3.3V Logic Output Optocoupler
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ON Semiconductor 4309
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AUD 0.8926
Multiples of: 1

SFH6106-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 2095
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AUD 0.4274
Multiples of: 1

TLP291(V4GLTR,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2093
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AUD 0.6902
Multiples of: 1

ACPL-K342-000E


Logic Output Opto-couplers Optocoupler
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Broadcom 2091
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AUD 4.86
Multiples of: 1

SFH615A-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 2004
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AUD 0.32
Multiples of: 1

VOM617A-8T


Transistor Output Optocouplers Phototransistor Out CTR 130-260% 5mA
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Vishay 1986
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AUD 0.198
Multiples of: 1

HCPL-3120-300E


Logic Output Opto-couplers 2.0A IGBT Gate Drive
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Broadcom 1884
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AUD 3.02
Multiples of: 1

ATM3061-CuH-SE


100mA 60mA 600V 1.5V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 1372
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AUD 0.1462
Multiples of: 5

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