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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PS2815-4-A


Transistor Output Optocouplers OPTOCOUPLER 16PIN SSOP
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Renesas 4536
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AUD 8.2143
Multiples of: 1

TCET1104G


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 4529
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AUD 0.3385
Multiples of: 1

CNY17F-1S


Transistor Output Optocouplers HCEV, 40%, 5KV
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Lite-On 4520
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AUD 0.1791
Multiples of: 1

SFH6186-3X001


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 4514
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AUD 0.418
Multiples of: 1

MOC3011M


Optotriac; 4.17kV; Uout:400V; triac; DIP6; Channels:1
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ON Semiconductor 4505
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AUD 0.3
Multiples of: 1

OPI1264C


Transistor Output Optocouplers Output Photosensor Input Diode
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TT Electronics 4489
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AUD 4.625
Multiples of: 500

SFH615A-3X007


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 4464
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AUD 0.4227
Multiples of: 1

FOD2741AS


Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 4419
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AUD 1.0717
Multiples of: 1

CNY17-4


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 6-DIP
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Lite-On 4415
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AUD 0.1807
Multiples of: 1

PS2561D-1Y-V-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 4398
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AUD 0.4227
Multiples of: 1

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