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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EL825


Transistor Output Optocouplers Photo Darlington Thru-Hole
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Everlight 206
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AUD 0.49
Multiples of: 1

ACPL-H312-000E


Avago Technologies Logic Output Optocouplers 2.5A IGBT Gate Drive
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Broadcom 206
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AUD 5.34
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FOD8321


Logic Output Optocouplers 2.5A Out Gate Drive Optcplr; Optoplanar
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ON Semiconductor 204
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AUD 4.3371
Multiples of: 1

EL827S


5kV 200mV@1mA,20mA 2 6V 1.2V DC SMD-8P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 203
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AUD 0.2413
Multiples of: 5

TLP5214A(E(O


Logic Output Opto-couplers
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Toshiba 199
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AUD 9.14
Multiples of: 1

EL452


3.75kV 1.5V@100mA,20mA 1 6V 1.2V DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 198
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AUD 0.2019
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ILD615-2


Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125%
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Vishay 195
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AUD 0.856
Multiples of: 1

APT1221


Triac & SCR Output Optocouplers AC 600V 100mA Random Phototriac Coupler
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Panasonic 195
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AUD 1.4
Multiples of: 100

PS2501-4-A


Transistor Output Optocouplers Hi-Iso Photo 4-Ch
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Renesas 0
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AUD 1.4286
Multiples of: 20

MOC3023M


100mA 60mA 400V 1.18V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 0
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AUD 0.1331
Multiples of: 5

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