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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ACPL-M61L-500E


High Speed Optocouplers 10MBd 15k V/us
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Broadcom 2183
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AUD 2.58
Multiples of: 1

SFH1690BT


Transistor Output Optocouplers Phototransistor Out Single CTR>100-300%
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Vishay 2159
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AUD 0.4101
Multiples of: 1

4N23


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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TT Electronics 220
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AUD 51.1814
Multiples of: 1

TLP5214(TP,E(O


Optocoupler Drive Push-Pull 2-CH 30V 16-Pin SO T/R
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Toshiba 217
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AUD 2.1586
Multiples of: 1

HCPL-3180-300E


High Speed Optocouplers 2.0A IGBT Gate Drive
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Broadcom 216
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AUD 4.08
Multiples of: 1

PVI5050NSPBF


Photodiode Output Optocouplers 1 Form A Photo Voltaic Isolator
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Infineon 215
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AUD 4.84
Multiples of: 1

MCT6-X009


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR > 20%
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Vishay 214
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AUD 0.7979
Multiples of: 1

HCPL-0661-000E


Optocoupler; SMD; Channels:2; Out: gate; 3.75kV; 10Mbps; SO8
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Broadcom 214
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AUD 8
Multiples of: 1

4N35-X017T


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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Vishay 213
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AUD 0.4101
Multiples of: 1

LTV-4N25


Optocouplers DIP-6 RoHS
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Lite-On 0
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AUD 0.15
Multiples of: 5

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