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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FODM8801B


Transistor Output Optocouplers OptoHiT Phototrans 75V 1-Ch CTR 260%
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ON Semiconductor 451050
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AUD 0.9243
Multiples of: 3000

4N37M


Optoisolator Transistor with Base Output 1500Vrms 1 Channel 6-DIP
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Lite-On 4913
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AUD 0.1988
Multiples of: 1

PS2811-4-F3-A


Transistor Output Optocouplers Optocoupler 16-pin SSOP
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Renesas 4875
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AUD 2.5754
Multiples of: 1

TLP240GA(TP1,F(O


Optocouplers SMD-4 RoHS
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Toshiba 4866
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AUD 0.8809
Multiples of: 1

HCPL-0211-500E


Logic Output Optoisolator 5MBd Push-Pull, Totem Pole 3750Vrms 1 Channel 5kV/µs, 10kV/µs CMTI 8-SO Tall
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Broadcom 4860
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AUD 1.6789
Multiples of: 1

VO617A-9


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
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Vishay 4858
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AUD 0.1731
Multiples of: 1

LTV-1003-TP1-G


SOP-4 Optocouplers - Phototransistor Output ROHS
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Lite-On 4854
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AUD 0.1541
Multiples of: 5

PC817X1NSZ2B


Optocouplers DIP-4 RoHS
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Sharp 4195
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AUD 0.1612
Multiples of: 5

SFH6345


High Speed Optocouplers 1Mbd Open Collector Single Channel
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Vishay 2531
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AUD 1.1666
Multiples of: 1

IS181D


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Isocom 2484
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AUD 0.3047
Multiples of: 1

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