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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MOC3043XSM


Optotriac; 5.3kV; Uout:400V; 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 : 1838
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USD 0.4002

Multiples of: 1

FODM3053V_NF098


Fairchild Semiconductor Triac & SCR Output Optocouplers 600V Random Phase Triac Driver 5mA
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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 : 1835
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USD 0.6024

Multiples of: 1

SFH610A-3X006


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 : 1831
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USD 0.4301

Multiples of: 1

VOT8123AG


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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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 : 1829
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USD 0.6412

Multiples of: 1

CNY17G-1


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual 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 : 1828
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USD 0.2411

Multiples of: 1

MOC3021M


1 5000V 100mA 60mA 400V 100V/us 1.18V No Two-way thyristor -55℃~+100℃ DIP-6 Optocouplers - Thyristor Signal 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 Availability : 1823
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USD 0.0948

Multiples of: 5

MOC3052M


Triac & SCR Output Optocouplers DIP-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 : 1822
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USD 0.2582

Multiples of: 1

CNY117-1


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 : 1821
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USD 0.2475

Multiples of: 1

SFH690C-X001T


Triac & SCR Output Optocouplers Phototransistor 100-200% CTR VDE
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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 : 1818
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USD 0.2753

Multiples of: 1

TCDT1124


Transistor Output Optocouplers Phototransistor Out
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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 : 1816
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USD 0.2086

Multiples of: 0

VO2223


Triac & SCR Output Optocouplers 0.9 A, DIP-8 package 10-mA input trig crt
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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 : 1811
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USD 0.96

Multiples of: 1

TCDT1120


Transistor Output Optocouplers Phototransistor Out
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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 : 1810
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USD 0.1903

Multiples of: 1

VOS627A-3T


Transistor Output Optocouplers AC Input, Phtotrnstr 100-200%CTR, +/-5MA
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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 : 1810
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USD 0.3377

Multiples of: 1

4N35-X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single 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 : 1810
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USD 0.2431

Multiples of: 1

TLP179D(F)


Toshiba MOSFET Output Optocouplers Photorelay Voff=200V Ion=0.05A Ron=40Ohm
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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 : 1810
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USD 0.858

Multiples of: 1

SFH6345-X019


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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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 : 1808
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USD 0.8453

Multiples of: 1

VOD211T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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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 : 1807
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USD 0.4144

Multiples of: 1

ACPL-C87AT-500E


Broadcom Avago Optically Isolated Amplifiers Precision Iso-Amp
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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 : 1807
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USD 1.5547

Multiples of: 1

TLP627(F)


Transistor Output Optocouplers 300V Photocoupler 5000 Vrms 150 IC
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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 : 1806
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USD 0.5216

Multiples of: 1

TCDT1120G


Transistor Output Optocouplers Phototransistor Out Single CTR > 40%
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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 : 1805
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USD 0.1925

Multiples of: 1

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