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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KP2110 0E


80V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC DIP-6 Transistor Output Optocoupler 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.

Cosmo Availability : 58
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USD 0.0896

Multiples of: 1

TLP352F(D4-TP4,F)


Logic Output Opto-couplers Photocoupler, Photo IC 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.

Toshiba Availability : 58
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USD 0.7588

Multiples of: 1

FOD4218SV


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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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 : 58
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USD 1.1125

Multiples of: 25

ILQ74-X009T


Transistor Output Optocouplers Phototransistor Out Quad CTR > 12.5%
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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 : 58
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USD 2.016

Multiples of: 1

EL3051


Triac & SCR Output Optocouplers 600PBV 5000Vrms -55 to +100 Op Temp
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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 : 57
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USD 0.4034

Multiples of: 1

TLP2358(TPL,E(T


DIP Optocouplers SO-6 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 : 57
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USD 0.6083

Multiples of: 1

NTE3223-1


OPTOCOUPLER SINGLE NPN TRA
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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 : 57
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USD 0.9555

Multiples of: 1

ITC137P


Transistor Output Optocouplers 350V 120mA Integrated
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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.

IXYS Availability : 57
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USD 3.775

Multiples of: 50

CNY17F3TVM


Transistor Output Optocouplers 6PN DIP Photo Xstr Output 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 : 56
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USD 0.1883

Multiples of: 1

FOD3125SD


Logic Output Opto-couplers High Temp 2.5A Output Current 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.

ON Semiconductor Availability : 56
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USD 2.9991

Multiples of: 1

TLP627-4(F)


Transistor Output Optocouplers DARL. 4 CH Vceo=300V MIN
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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 : 56
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USD 3.0213

Multiples of: 1

OPI210


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-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.

TT Electronics Availability : 56
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USD 7.5686

Multiples of: 1

ACPL-C78A-000E


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 : 56
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USD 18.634

Multiples of: 1

OLS249


OPTOISO 1.5KV TRANS W/BASE SMT
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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 : 56
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USD 99.3624

Multiples of: 1

ISP621-4X


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:5.3kV; 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 : 55
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USD 0.7082

Multiples of: 1

SFH6916T


SSOP-16 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.

Vishay Availability : 55
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USD 2.0529

Multiples of: 1

HCPL-3180-300E


High Speed Optocouplers 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 : 55
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USD 2.772

Multiples of: 1

HCPL-2300-300E


High Speed Optocouplers 8MBd 1Ch 4mA
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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 : 55
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USD 5.264

Multiples of: 1

K30101C


DIP-4 Optocouplers - Phototransistor 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.

Cosmo Availability : 54
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USD 0.0386

Multiples of: 1

ACPL-M50L-500E


High Speed Optocouplers Low 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 : 54
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USD 0.6305

Multiples of: 1

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