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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AT827-CuH-S


5kV 60mA 200mV@1mA,20mA 2 6V 1.4V DC SMD-8 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 : 906
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USD 0.1518

Multiples of: 5

SFH615AGR-X007T


Vishay Transistor Output Optocouplers Phototransistor Out Single CTR>100-300%
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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 : 902
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USD 0.2885

Multiples of: 1

FOD8314


Logic Output Opto-couplers 1.0A Output Gate Driver 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.

ON Semiconductor Availability : 902
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USD 0.7554

Multiples of: 1

4N49U


Optoisolator Transistor with Base Output 1000Vrms 1 Channel 6-LCC (6.22x4.32)
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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.

TT Electronics Availability : 902
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USD 38.324

Multiples of: 1

HCPL-817-30AE


Transistor Output Optocouplers 5000 Vrms 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.

Broadcom Availability : 900
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USD 0.3248

Multiples of: 1

6N136-X009


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>35%
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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 : 899
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USD 0.5515

Multiples of: 1

FOD4108SV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE 800V
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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 : 899
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USD 1.716

Multiples of: 1

TLP293-4(LGBTP,E


Transistor Output Optocouplers 4ch Transistor opto 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 : 898
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USD 0.8238

Multiples of: 1

ACPL-C79A-500E


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 : 898
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USD 2.0289

Multiples of: 1

SFH628A-4X016


Transistor Output Optocouplers Phototransistor Out AC-In CTR>160-500%
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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 : 897
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USD 0.4914

Multiples of: 1

OPI1280-032


Optek TT Electronics Transistor Output Optocouplers Optical Interrupter
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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.

TT Electronics Availability : 897
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USD 6.3364

Multiples of: 1

VO617A-7


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 80-160%
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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 : 896
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USD 0.1089

Multiples of: 1

SFH1617A-2X017T


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 : 896
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USD 0.4991

Multiples of: 1

SFH601-4X007T


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 : 892
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USD 0.6276

Multiples of: 1

ILQ2-X001


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Quad 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 : 892
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USD 1.2721

Multiples of: 1

FODM217CV


Transistor Output Optocouplers 4SO TR
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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 : 891
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USD 0.4216

Multiples of: 1

CNY17-1.


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 : 890
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USD 0.1892

Multiples of: 1

CNY171TVM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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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 : 888
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USD 0.2056

Multiples of: 1

VOT8024AB-V


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4, 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 : 888
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USD 0.3476

Multiples of: 1

Hot SFH610A-2


Transistor Output Optocouplers RECOMMENDED ALT 78-VO610A-2
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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 : 887
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USD 0.2436

Multiples of: 1

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