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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ILD55-X007


Transistor Output Optocouplers Photodarlington Out Dual CTR > 100%
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Vishay 2
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AUD 1.5871
Multiples of: 1

ILQ2-X009


Transistor Output Optocouplers Phototransistor Out Quad CTR >100%
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Vishay 2
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AUD 1.8
Multiples of: 1

NTE3223-2


OPTOCOUPLER DUAL NPN TRANS
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NTE 2
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AUD 2.247
Multiples of: 1

IL300-DEFG-X016


High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth
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Vishay 2
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AUD 3.0957
Multiples of: 1

HCPL-7520-300E


Optocoupler; SMD; Channels:1; Out: isolation amplifier; 3.75kV
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Broadcom 2
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AUD 8.96
Multiples of: 1

3N244


Optek TT Electronics Transistor Output Optocouplers Isolator
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TT Electronics 2
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AUD 34.1657
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300680


High Speed Optocouplers 3.0V - 5.5V 15MBd
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TE Connectivity 2
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AUD 94.9821
Multiples of: 1

OPI155


Logic Output Optoisolator 5Mbps Open Collector, Schottky Clamped 50000VDC 1 Channel CMTI
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TT Electronics 2
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AUD 107.7057
Multiples of: 1

OPI150TX


Photointerrupter Transmissive Phototransistor 5-Pin
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TT Electronics 2
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AUD 178.5536
Multiples of: 1

H11L3TVM


Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 1
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AUD 0.484
Multiples of: 1

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