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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APV2121SX


Photodiode Output Optocouplers Driver 4-pin SOP T&R Driver 4-pin SOP T&R
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Panasonic 968
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AUD 1.1739
Multiples of: 1

ATH11L3-CuH-D


3V~15V DC DIP-6 Logic Output Optoisolators ROHS
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AOTE 967
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AUD 0.4242
Multiples of: 1

LTV-851


Transistor Output Optocouplers Optocoupler Phototransistor
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Lite-On 967
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AUD 0.5327
Multiples of: 1

VO4154M-X007T


Triac & SCR Output Optocouplers Zero Crossing Photo Triac 400V 3mA
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Vishay 967
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AUD 2.0429
Multiples of: 1

HCPL-3150-300E


Logic Output Opto-couplers 0.5A IGBT Gate Drive
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Broadcom 967
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AUD 2.64
Multiples of: 1

IL300-DEFG-X009T


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 967
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AUD 3.8038
Multiples of: 1

IL300-E-X009T


High Linearity Optocouplers Linear W. Bandwidth >200kHz
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Vishay 967
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AUD 9.4921
Multiples of: 1000

6N135SDVM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 966
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AUD 1.2122
Multiples of: 1

ILD621-X007T


Transistor Output Optocouplers Phototransistor Out Dual CTR > 50%
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Vishay 966
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AUD 1.2365
Multiples of: 1

FOD3150ASDV


3A Gate Driver Optical Coupling 5000Vrms 1 Channel 8-SMD
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ON Semiconductor 966
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AUD 1.2461
Multiples of: 1

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