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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MOC256M


Transistor Output Optocouplers SO-8 AC INPUT TRANS
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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 2548
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AUD 0.4125
Multiples of: 1

HCPL0637


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 2547
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AUD 1.3141
Multiples of: 1

FOD0720


High Speed Optocouplers High CMR 25Mbit/sec Logic Gate
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ON Semiconductor 2547
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AUD 2.6715
Multiples of: 1

VO615A-2X016


Transistor Output Optocouplers H.Temp Phototrnstr 63-125% CTR, VDE
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Vishay 2539
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AUD 0.1627
Multiples of: 1

MOC3012SM


Fairchild Semiconductor Triac & SCR Output Optocouplers SO-6 NON-ZERO TRIAC
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ON Semiconductor 2537
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AUD 0.3478
Multiples of: 1

ATM3062-CuH-SE


100mA 60mA 600V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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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.

AOTE 2536
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AUD 0.1626
Multiples of: 5

TLP521-2


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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Isocom 2283
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AUD 0.5078
Multiples of: 1

HCPL-0531-500E


High Speed Optocouplers 1MBd 2Ch 16mA
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Broadcom 1878
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AUD 1.7425
Multiples of: 1

HCPL0638R2


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 312
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AUD 2.6088
Multiples of: 1

6N139SM


High Speed Optocouplers 8PW DIP HI GAIN SPLT DARL OUTPUT OPTOCOU
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ON Semiconductor 229
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AUD 0.9435
Multiples of: 1

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