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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EL0501(TA)


Optoisolator Transistor with Base Output 3750Vrms 1 Channel 8-SOP
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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 : 1196
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USD 0.6426

Multiples of: 1

Hot H11D3M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; DIP6
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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 : 1195
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USD 0.3278

Multiples of: 1

MOC3083M


Optotriac; 5.3kV; Uout:800V; zero voltage crossing driver; DIP6
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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 : 1193
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USD 0.4171

Multiples of: 50

ILQ30


Transistor Output Optocouplers Photodarlington 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 : 1190
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USD 1.76

Multiples of: 1

MOC3020


Optotriac; 5kV; Uout:400V; without 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.

Lite-On Availability : 1188
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USD 0.1009

Multiples of: 5

FOD8333V


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 : 1183
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USD 3.2378

Multiples of: 1

OPI1264


Transistor Output Optocouplers Optoisolator
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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 : 1176
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USD 2.607

Multiples of: 1

HCPL-4100-500E


Avago Technologies Logic Output Optocouplers 20mA Current Loop
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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 : 1175
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USD 4.0282

Multiples of: 1

HCPL3700V


Fairchild Semiconductor Logic Output Optocouplers Optocoupler aCDC to Logic
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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 : 1172
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USD 2.596

Multiples of: 1

AM816S(B)(T1)-CG


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.

Amicc Availability : 1170
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USD 0.0436

Multiples of: 10

TLP241A(TP1,F


MOSFET Output Optocouplers Photo-IC 3mA 40V 5000Vrms
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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 : 1165
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USD 1.3824

Multiples of: 1

MOC3020M


Optotriac; 5kV; Uout:400V; without 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.

Lite-On Availability : 1164
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USD 0.2016

Multiples of: 1

TLP715(TP.F)


Optocouplers SOP-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 : 1164
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USD 0.6022

Multiples of: 1

HCPL0501R2V


Fairchild Semiconductor High Speed Optocouplers HS Optocoupler 1Ch Transistor
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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 : 1164
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USD 1.2305

Multiples of: 1

IL300-X009T


Vishay Semiconductors High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth
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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 : 1163
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USD 2.1086

Multiples of: 1

MOC217M


Transistor Output Optocouplers SO-8 PHOTO TRANS
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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 : 1152
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USD 0.1642

Multiples of: 1

K3010P


Triac & SCR Output Optocouplers Phototriac 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.

Vishay Availability : 1150
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USD 0.4293

Multiples of: 1

PS2501L-4-A


Transistor Output Optocouplers Hi-Iso Photo 4-Ch
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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 : 1150
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USD 0.9581

Multiples of: 1

SFH6206-2T


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 : 1145
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USD 0.3109

Multiples of: 1

6N137-L


Optocouplers DIP-8 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.

Lite-On Availability : 1091
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USD 0.2032

Multiples of: 5

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