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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ACPL-C784-500E


Avago Technologies Optically Isolated Amplifiers 5000 Vrms 10 kHz
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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 : 1782
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USD 1.5205

Multiples of: 1

ACPL-W343-560E


Logic Output Opto-couplers Gate Drive Opto
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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 : 1780
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USD 1.0292

Multiples of: 1

ACPL-W61L-000E


High Speed Optocouplers 10MBd Optocoupler
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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 : 1780
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USD 2.4176

Multiples of: 1

LTV-357T-A


Transistor Output Optocouplers P/C LTV-357T BIN A (2.0) STD. TYPE
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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 : 1779
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USD 0.062

Multiples of: 5

CNY17-2X007


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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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 : 1779
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USD 0.2204

Multiples of: 1

IL4217


Triac & SCR Output Optocouplers Phototriac Output Very Low Input Curr
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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 : 1779
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USD 2.0355

Multiples of: 1

HCPL-0314-500E


High Speed Optocouplers 1Ch 8mA 400mW
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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 : 1778
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USD 0.8244

Multiples of: 1

MOC3021SR2VM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac 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.

ON Semiconductor Availability : 1778
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USD 0.2805

Multiples of: 1

CNY17-3X001


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 : 1777
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USD 0.2288

Multiples of: 1

ILD621GB-X007T


Transistor Output Optocouplers Phototransistor Out Dual CTR > 100%
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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 : 1777
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USD 0.9031

Multiples of: 1

EL817DS


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SMD-4P 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 Availability : 1775
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USD 0.0339

Multiples of: 10

ATM3053-CuH-SE


100mA 60mA 600V 1.23V Two-way thyristor SOP-4 Triac, SCR 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 Availability : 1770
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USD 0.101

Multiples of: 5

FOD8384R2


Fairchild Semiconductor Logic Output 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.

ON Semiconductor Availability : 1770
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USD 2.893

Multiples of: 1

HCPL-314J-500E


High Speed Optocouplers 0.4A 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 : 1765
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USD 2.8252

Multiples of: 1

VO615A-1X007T


Transistor Output Optocouplers H.Temp Phototrnstr 40-80 % CTR
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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 : 1762
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USD 0.1188

Multiples of: 1

TLP104(E)


Logic Output Optoisolator 1Mbps Open Collector 3750Vrms 1 Channel 15kV/µs CMTI 6-SO, 5 Lead
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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 : 1762
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USD 0.5305

Multiples of: 1

HCPL-3120-300E


Logic Output Opto-couplers 2.0A 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 : 1762
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USD 2.002

Multiples of: 1

PS8802-1-F3-AX


High Speed Optocouplers SGL Tr DC Fast Couplr
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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 Availability : 1759
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USD 2.31

Multiples of: 1

ILQ2X


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:7.5kV; DIP16
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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 : 1755
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USD 0.814

Multiples of: 1

MOC3012SM


Fairchild Semiconductor Triac & SCR Output Optocouplers SO-6 NON-ZERO TRIAC
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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 : 1752
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USD 0.2255

Multiples of: 1

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