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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APV2111VY


Photodiode Output Optocouplers Drive 4-pin SSOP T&R Drive 4-pin SSOP T&
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Panasonic 2352
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AUD 1.8393
Multiples of: 1

HCPL-2730-000E


High Speed Optocouplers 100kBd 2Ch 0.5mA
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Broadcom 224
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AUD 3.4
Multiples of: 1

MPC357C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 223
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AUD 0.053
Multiples of: 10

AT4N36-CuH-S


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC SMD-6P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 223
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AUD 0.1763
Multiples of: 5

4N38TVM


Transistor Output Optocouplers 6-pin DIP High Voltage Phototransistor Output Optocoupler
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ON Semiconductor 223
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AUD 0.4107
Multiples of: 1

Hot ILQ621GB


Transistor Output Optocouplers Phototransistor Out Quad CTR >100%
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Vishay 223
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AUD 1.84
Multiples of: 1

VO0601T


Logic Output Optoisolator 10MBd Open Drain 4000Vrms 1 Channel 5kV/µs CMTI 8-SOIC
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Vishay 222
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AUD 1.32
Multiples of: 1

Hot FOD410


Triac & SCR Output Optocouplers Random Phase Snubberless Triac
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ON Semiconductor 221
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AUD 2.5071
Multiples of: 1

PVI5033RS-TPBF


Photodiode Output Optocouplers 2 Form A Photo Voltaic Isolator
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Infineon 220
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AUD 10.4186
Multiples of: 1

LT213


SOP-4 Optocouplers - Phototransistor Output ROHS
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Letex Technology 0
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AUD 1.462
Multiples of: 1

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