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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6N138F


High Speed Optocouplers IC cplr 300Kbps CTR=300%min
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Toshiba 436
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AUD 1.172
Multiples of: 1

APV2111V


Photodiode Output Optocouplers Driver 4-pin SSOP Driver 4-pin SSOP
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Panasonic 436
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AUD 2.5482
Multiples of: 150

FOD8316V


Logic Output Optocouplers 2.5A Out IGBT Drive Optcplr; DIN EN/IEC
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ON Semiconductor 436
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AUD 4.6043
Multiples of: 1

CNY66B


Transistor Output Optocouplers 15kV 100-200%CTR High Islation 700mil
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Vishay 435
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AUD 2.98
Multiples of: 1

LTV-8241S


Transistor Output Optocouplers Optocoupler AC in 2-CHNL
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Lite-On 434
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AUD 0.7197
Multiples of: 1

H11L2


Optocoupler; THT; Channels:1; Out: Schmitt trigger; DIP6
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Isocom 433
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AUD 0.654
Multiples of: 1

HCPL-0501-000E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 433
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AUD 1.86
Multiples of: 1

TLP3250(TP15,F)


MOSFET Output Optocouplers Photorelay Voff=40V Ion=0.2A Ron=3Ohm
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Toshiba 433
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AUD 4.84
Multiples of: 1

4N37-X000


Transistor Output Optocouplers Phototransistor Out Single CTR >100%
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Vishay 432
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AUD 0.2656
Multiples of: 1

ACPL-C87BT-500E


Avago Technologies Optically Isolated Amplifiers Precision Iso-Amp
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Broadcom 431
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AUD 4.1221
Multiples of: 1

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