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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SFH618A-5X007T


Transistor Output Optocouplers Phototransistor Out Single CTR>250-500%
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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.

Vishay Availability : 1026
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USD 0.3903

Multiples of: 1

APT1221


Triac & SCR Output Optocouplers AC 600V 100mA Random Phototriac Coupler
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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.

Panasonic Availability : 1025
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USD 0.7249

Multiples of: 1

CNY17F-4X017


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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.

Vishay Availability : 1024
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USD 0.3003

Multiples of: 1

VO3150A-X007T


Logic Output Optocouplers 0.5A Current Out IGBT/MOSFET Drvr
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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.

Vishay Availability : 1024
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USD 0.8021

Multiples of: 1

TPC816B C9G


Transistor Output Optocouplers Photocoupler DC input 70V 50mA
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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.

Taiwan Semiconductor Availability : 1023
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USD 0.0702

Multiples of: 1

ACPL-P483-500E


120ns 4.5V~30V 30kV/us DC SO-6-4.6mm Logic 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.

Broadcom Availability : 1023
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USD 1.6007

Multiples of: 1

IL300-F-X009T


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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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.

Vishay Availability : 1019
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USD 5.8167

Multiples of: 1

6N139S-TA1-L


Optocoupler; SMD; Channels:1; Out: Darlington; 2.5kV; Gull wing 8
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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.

Lite-On Availability : 1014
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USD 0.2406

Multiples of: 1

VOL618A-2T


Transistor Output Optocouplers Phototransistor Out CTR 63-200% IF=1MA
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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.

Vishay Availability : 1012
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USD 0.1727

Multiples of: 1

ILQ621


Transistor Output Optocouplers Phototransistor Out Quad CTR >50%
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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.

Vishay Availability : 1009
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USD 1.064

Multiples of: 1

WPPC-A11066AA


Optocoupler AC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP 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.

World Products Availability : 1008
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USD 0.2225

Multiples of: 65

IS623XSM


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver
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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.

Isocom Availability : 1008
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USD 0.4536

Multiples of: 1

TLP5751H(TP4,E


Logic Output Opto-couplers GATE DRIVE COUPLER
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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.

Toshiba Availability : 1008
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USD 0.78

Multiples of: 1

IL300-F-X017T


Optocoupler DC-IN 1-CH Linear Photovoltaic DC-OUT 8-Pin PDIP-8A SMD T/R
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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.

Vishay Availability : 1008
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 5.863

Multiples of: 1

CNY17-1X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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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.

Vishay Availability : 1006
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USD 0.2563

Multiples of: 1

H11G2SM


Transistor Output Optocouplers Hi Volt Photodarling
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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 Availability : 1004
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USD 0.3657

Multiples of: 1

VO3120-X001


Logic Output Opto-couplers IGBT MOSFET Driver 2.5A
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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.

Vishay Availability : 1004
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USD 0.7128

Multiples of: 1

SFH6186-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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.

Vishay Availability : 1003
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USD 0.2926

Multiples of: 1

Hot H11F1SR2M


MOSFET Output Optocouplers FET Bilateral analog
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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 Availability : 1000
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USD 0.5918

Multiples of: 1

VO615A-3X019T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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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.

Vishay Availability : 998
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USD 0.1089

Multiples of: 1

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