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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PS2811-1-F3-A


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV; SSOP4
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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.

RENESAS 914374
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USD 0.3415
Multiples of: 1

EL3H7(C)(TA)-G


Transistor Output Optocouplers 200-400CTR 3750Vrms -55 to +110 Op Temp
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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.

Everlight 818841
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USD 0.0642
Multiples of: 5

H11L1SR2VM


Logic Output Opto-couplers Optocoupler Schmitt Trigger
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ON Semiconductor 610130
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USD 0.4121
Multiples of: 1000

053000AB


6N136 #1801 PCNCCNPOC#82 DIP
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Vishay 0
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USD 1.0057
Multiples of: 1

PC725V


PC725V OPTOCOUPLER T/HOLE
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Sharp 0
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USD 1.0572
Multiples of: 1

HCPL-2601


HCPL-2601 #1801 PCNCCNPOC#82 T/HOLE
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ON Semiconductor 0
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USD 1.0619
Multiples of: 1

HCPL-2531


HCPL-2531 #1801 PCNCCNPOC#82 T/HOLE
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ON Semiconductor 0
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USD 1.2922
Multiples of: 1

431392HB


TLP620-4 COUPLER TRANS 4 CH 5
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Toshiba 0
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USD 1.3581
Multiples of: 1

HCPL-2730


HCPL-2730 #1801 PCNCCNPOC#82 T/HOLE
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ON Semiconductor 0
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USD 2.1455
Multiples of: 1

HCPL-0630


OPTOISO 3.75KV 2CH OPEN COLL 8SO
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Broadcom 0
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USD 2.3015
Multiples of: 1

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