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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VO615A-1X001


Transistor Output Optocouplers RECOMMENDED ALT 782-SFH615A-1X001
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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 2193
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AUD 0.1833
Multiples of: 1

TPC816D C9G


Transistor Output Optocouplers Phototransistor DC input 70V 50mA
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Taiwan Semiconductor 2192
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AUD 0.1327
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FODM121R2


Optocoupler; SMD; Channels:1; Out: transistor; 80V; Mini-flat 4pin
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ON Semiconductor 2190
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AUD 0.2709
Multiples of: 1

VOS627A-2T


Transistor Output Optocouplers AC Input Phtotrnstr 63-125%CTR +-5MA
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Vishay 2183
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AUD 0.4016
Multiples of: 1

IL420-X009T


Triac & SCR Output Optocouplers Phototriac Output, Low Input Current
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Vishay 2178
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AUD 2.1343
Multiples of: 1

IL300-F


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 2174
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AUD 8.5373
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PS2801C-1-F3


Optocouplers SOP-4_P1.27 RoHS
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Renesas 2167
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AUD 0.2404
Multiples of: 5

HCNW4503-500E


High Speed Optocouplers 1Ch 16mA 700mW
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Broadcom 2166
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AUD 2.6571
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6N138M


DIP-8 Optocouplers - Logic Output ROHS
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Youtai 2158
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AUD 0.2345
Multiples of: 5

SFH617A-4


Transistor Output Optocouplers RECOMMENDED ALT 78-VO617A-4
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Vishay 2153
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AUD 0.3093
Multiples of: 1

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