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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4N36


Everlight Transistor Output Optocouplers Optocouplers
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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 Availability : 19
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USD 0.1911

Multiples of: 5

PC3H7BJ0001H


Transistor Output Optocouplers Photocoupler
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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 Availability : 19
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USD 0.2095

Multiples of: 5

CNY17-4X009T


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 : 19
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USD 0.2552

Multiples of: 1

MOC3081SR2VM


Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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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 : 19
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USD 0.3663

Multiples of: 1

Hot ILD1


Transistor Output Optocouplers Phototransistor Out Dual CTR >20%
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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 : 19
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USD 0.5096

Multiples of: 1

X4IAC5A


Transistor Output Optocouplers X4 Series - LED & Fuse
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Sensata Availability : 19
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USD 22.1494

Multiples of: 1

X4IAC24


Transistor Output Optocouplers X4 Series - LED & Fuse
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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.

Sensata Availability : 19
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USD 22.1494

Multiples of: 1

X4IAC15A


Transistor Output Optocouplers X4 Series - LED & Fuse
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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.

Sensata Availability : 19
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USD 22.1494

Multiples of: 1

X4IAC24A


Transistor Output Optocouplers X4 Series - LED & Fuse
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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.

Sensata Availability : 19
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USD 22.1494

Multiples of: 1

OLI100


Transistor Output Optocouplers Miniature Phototransistor Optocoupler for Hybrid Assembly
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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.

Skyworks Availability : 19
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USD 33.1356

Multiples of: 1

CNY17-2M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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 : 17
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USD 0.1177

Multiples of: 1

SFH6136-X016


Vishay Semiconductors High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>15-19%
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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 : 17
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USD 0.6072

Multiples of: 1

HCPL-7520-300E


Optocoupler; SMD; Channels:1; Out: isolation amplifier; 3.75kV
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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 : 17
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USD 5.74

Multiples of: 1

NTE3097


OPTOCOUPLER, TRIAC O/P, 7.5KV, DIP
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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.

NTE Availability : 16
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USD 4.095

Multiples of: 1

HCNW3120-000E


Logic Output Opto-couplers 1Ch 10mA 700mW
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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 : 15
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USD 3.2941

Multiples of: 1

ACNW3130-000E


Logic Output Opto-couplers 2.5A IGBT Gate Drive
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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 : 15
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USD 5.096

Multiples of: 1

TLP3906(C20TL,E(O


SOP-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.

Toshiba Availability : 0
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USD 1.1056

Multiples of: 1

HCPL-3150-560E


Logic Output Optocouplers 0.5A IGBT Gate Drive
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Broadcom Availability : 0
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USD 1.7966

Multiples of: 1

UCC23313BQDWYRQ1


Optically Isolated Gate Drivers Automotive 3.75kVrms, 4A/5A single-channel opto-compatible isolated gate driver with 8V/12V UVLO 6-SOIC -40 to 125
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Texas Instruments Availability : 0
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USD 3.0312

Multiples of: 1

HCPL-0211-000E


High Speed Optocouplers 5MBd 1Ch 1.6mA
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Broadcom Availability : 0
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USD 3.5961

Multiples of: 1

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