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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TCET1114G


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 3330
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AUD 0.3316
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SFH620A-3X006


Transistor Output Optocouplers Phototransistor Out AC-In CTR>100-320%
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Vishay 3329
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AUD 0.4463
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FODM217CR2


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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ON Semiconductor 3328
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AUD 0.253
Multiples of: 1

PC3H7AJ0001H


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV
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Sharp 3325
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AUD 0.36
Multiples of: 1

MOC3062M


100mA 60mA 600V 1.5V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 3137
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AUD 0.1946
Multiples of: 5

TLP185(GB,SE(T


Transistor Output Optocouplers
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Toshiba 3081
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AUD 0.294
Multiples of: 1

H11D1SR2VM


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 3040
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AUD 0.5311
Multiples of: 1

HCPL-M611-500E


High Speed Optocouplers 10MBd 3750Vdc
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Broadcom 2866
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AUD 0.7147
Multiples of: 1

EL827S1(TA)


Transistor Output Optocouplers Optocoupler Dual Ch Transistor DC Input
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Everlight 2861
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AUD 0.2843
Multiples of: 5

FOD0710


Logic Output Optoisolator 12.5Mbps Push-Pull, Totem Pole 3750Vrms 1 Channel 20kV/µs CMTI 8-SOIC
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ON Semiconductor 0
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AUD 1.2713
Multiples of: 1

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