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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TIL111


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP6
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Isocom 1150
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AUD 0.302
Multiples of: 1

EL816


Transistor Output Optocouplers Photo-Coupler
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Everlight 1149
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AUD 0.17
Multiples of: 1

MOC3022M


100mA 60mA 400V 1.15V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 1144
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AUD 0.139
Multiples of: 5

4N38-X009T


Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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Vishay 1141
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AUD 0.3756
Multiples of: 1

IL300-EF-X009T


High Linearity Optocouplers Single Linear High Gain Wide Bandwidth
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Vishay 1137
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AUD 4.1329
Multiples of: 1

VO0611T


High Speed Optocouplers 10Mbd Open Collector Single Channel
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Vishay 1134
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AUD 1.7757
Multiples of: 1

HCPL-7800-000E


Optically Isolated Amplifiers 4.5 - 5.5 SV 8 dB
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Broadcom 1133
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AUD 3.893
Multiples of: 1

HCPL4503SDM


High Speed Optocouplers 1Mbit/s HS Single Tran Out Coupler-NB
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ON Semiconductor 1131
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AUD 1.2634
Multiples of: 1

ACPL-217-50BE


Transistor Output Optocouplers 3000Vrms 130-260%CTR
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Broadcom 1129
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AUD 0.386
Multiples of: 1

HCPL-4504-000E


High Speed Optocouplers 1MBd 1Ch 12mA
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Broadcom 1128
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AUD 0.8742
Multiples of: 1

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