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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FOD817A300


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 3205
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AUD 0.1399
Multiples of: 1

EL1010


5kV 50mA 300mV@1mA,10mA 1 6V 1.2V DC LSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 3201
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AUD 0.0924
Multiples of: 5

H11G1TVM


Fairchild Semiconductor Transistor Output Optocouplers Hi Volt Photodarling
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ON Semiconductor 3195
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AUD 0.4663
Multiples of: 1

VOT8024AB


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4
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Vishay 3193
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AUD 1.0322
Multiples of: 1

TLP127GB-S


SOP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 3191
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AUD 0.1909
Multiples of: 5

4N36


Transistor Output Optocouplers Phototransistor Out
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Vishay 3184
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AUD 0.2851
Multiples of: 1

Hot SFH6106-2


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 3179
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AUD 0.2132
Multiples of: 1

TLP291(GRH-TP,SE


Toshiba Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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Toshiba 3099
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AUD 0.2382
Multiples of: 5

PS2802-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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Renesas 3027
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AUD 0.5315
Multiples of: 1

MOCD208R2M


Transistor Output Optocouplers 8-Pin Optocoupler 2Ch Phototransistor
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ON Semiconductor 2425
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AUD 0.3932
Multiples of: 2500

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