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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FOD3120TSV


Fairchild Semiconductor Logic Output Optocouplers High Noise Immunity 2.5A Output
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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 : 936
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USD 0.9063

Multiples of: 1

FOD8332V


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 : 936
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USD 3.223

Multiples of: 1

H11B1M


Transistor Output Optocouplers Photodarlington
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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 : 935
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USD 0.2288

Multiples of: 1

PC3SD21YXPKH


Optotriac; 5kV; zero voltage crossing driver; Gull wing 6
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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 : 934
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USD 0.84

Multiples of: 1

H11AG1SR2M


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-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.

ON Semiconductor Availability : 933
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USD 0.5302

Multiples of: 1

AB30S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 30; 400V
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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.

MGT Brightek Availability : 933
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USD 1.0266

Multiples of: 1

AT4N25-CuH-S


5kV 60mA 300mV@2mA,50mA 1 6V 1.4V DC SMD-6P 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 : 931
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USD 0.1276

Multiples of: 5

MOC3083S


60mA 800V 1.3V Two-way thyristor SMD 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 931
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USD 0.1809

Multiples of: 5

SFH620A-2X017T


Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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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 : 931
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USD 0.464

Multiples of: 1

H11L2SM


Logic Output Optoisolator 1MHz Open Collector 4170Vrms 1 Channel CMTI 6-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.

ON Semiconductor Availability : 931
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USD 0.5577

Multiples of: 1

TLP2962F(TP4,F)


SO-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.

Toshiba Availability : 931
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USD 0.6003

Multiples of: 1

VO2223B


Triac & SCR Output Optocouplers 1A, 600V PhotoTRIAC DIP-8; UL, cUL
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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 : 931
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USD 1.0129

Multiples of: 1

TLP350H(F)


Logic Output Optocouplers Photo-IC 35V VCC 3750 Vrms 5mA 30V
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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 : 931
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USD 1.484

Multiples of: 1

TLP2310(E(T


High Speed 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.

Toshiba Availability : 930
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USD 0.966

Multiples of: 1

PS9121-AX


Logic Output Optoisolator 15Mbps Open Collector 3750Vrms 1 Channel 15kV/µs CMTI 5-SO
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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.

CEL Availability : 929
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USD 2.684

Multiples of: 1

FOD4116V


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE 600V
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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 : 927
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USD 1.6162

Multiples of: 1

MOC3022SM


100mA 60mA 400V 1.15V Two-way thyristor SOP-6-2.54mm 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 : 926
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USD 0.1016

Multiples of: 5

AT852-CuH-S


150mA 5kV 1.5V@100mA,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 : 926
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USD 0.1452

Multiples of: 5

HCPL-0530-500E


Avago Technologies High Speed Optocouplers 1MBd 2Ch 16mA
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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 : 925
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USD 1.2923

Multiples of: 1

6N136SVM


High Speed Optocouplers Hi-Speed Transistor 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 : 922
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USD 1.1086

Multiples of: 1

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