About Optocouplers / Photocouplers

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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H11F2


H11F2 OPTOCOUPLER T/HOLE
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ON Semiconductor 329
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USD 2.3857
Multiples of: 1

HCPL-060L


HCPL-060L #1002 PCNCCNPOC#90
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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.

Broadcom 291
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USD 1.2882
Multiples of: 1

PC852


PC852 OPTOCOUPLER DIP4
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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.

Sharp 291
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USD 1.46
Multiples of: 1

H11AG1


H11AG1 WELWYN - SPECIAL
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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 237
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USD 0.8748
Multiples of: 1

MOC211


MOC211 SO-8 OPTOCOUPLER SMD
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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 225
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USD 0.6989
Multiples of: 1

1000-110-2103


10 WAY R/A FEMALE PCB HEADER
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Sherwood 202
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USD 0.4253
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715202CB


H11AV2A CTR 50 6PIN CPLR
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ON Semiconductor 194
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USD 0.2245
Multiples of: 1

420303BB


TLP627-4 QUAD CHANNEL 16 PIN
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Toshiba 194
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USD 1.988
Multiples of: 1

PC3H7J00000F


Sharp Microelectronics Transistor Output Optocouplers Photocoupler DC Input
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Sharp 189
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USD 0.2473
Multiples of: 1

TLP627-2(T)


TLP627-2(T) SEMICONDUCTORS
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Toshiba 184
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USD 0.4865
Multiples of: 1

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