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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AT817B-FeH-DE


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC DIP-4 Transistor, Photovoltaic 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 42951
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AUD 0.0274
Multiples of: 20

LTV-354T


80V 3750V 50mA 0.1V@1mA,20mA 1 1.24V AC,DC SOP-4-2.54mm Optocouplers - Phototransistor Output 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.

Youtai 41031
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AUD 0.0856
Multiples of: 5

PS2565L-1-F3-A


CEL Transistor Output Optocouplers Hi-Iso AC Input 1-Ch
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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.

CEL 39207
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AUD 0.7621
Multiples of: 1

TLP620SM


Optocouplers SMD-4 RoHS
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Isocom 38800
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AUD 0.3373
Multiples of: 100

TLP620-2SM


Optocouplers SMD-8 RoHS
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Isocom 38800
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AUD 0.6682
Multiples of: 50

TIL198


Optocoupler DC-IN 2-CH Darlington DC-OUT 8-Pin PDIP
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Isocom 38800
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AUD 0.7264
Multiples of: 50

H11L2SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 6
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Isocom 38775
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AUD 0.7154
Multiples of: 65

HCPL-M453-500E


High Speed Optocouplers 1MBd 3750Vdc
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Broadcom 38142
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AUD 0.7025
Multiples of: 1

TCMD1000


Transistor Output Optocouplers Photodarlington Out Single CTR >600%
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Vishay 34043
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AUD 0.3551
Multiples of: 1

LTV-816S-TA1-C


Transistor Output Optocouplers P/C LTV-816S-TA1-C TAPPING TYPE II
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Lite-On 14098
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AUD 0.112
Multiples of: 5

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