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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TLP2361(E(T


High Speed Optocouplers
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Toshiba 1222
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AUD 0.9529
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HCPL2730S


High Speed Optocouplers SO-8 DUAL PH DARL
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ON Semiconductor 1217
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AUD 2.5446
Multiples of: 1

LTV-817A


Transistor Output Optocouplers Optocoupler Phototrans
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Lite-On 1212
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AUD 0.065
Multiples of: 10

VO617A-7X017T


Transistor Output Optocouplers H. Relblty 5300 Vrms 80-160% CTR 5mA, VDE
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Vishay 1208
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AUD 0.1865
Multiples of: 1

CNY174M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1208
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AUD 0.2939
Multiples of: 1

H11G1TVM


Fairchild Semiconductor Transistor Output Optocouplers Hi Volt Photodarling
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ON Semiconductor 1206
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AUD 0.473
Multiples of: 1

H11AV1AM


Transistor Output Optocouplers 0.4" Optocoupler Phototransistor
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ON Semiconductor 1204
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AUD 0.308
Multiples of: 1

CNY17-3M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 1203
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AUD 0.192
Multiples of: 1

PS2841-4B-AX


Transistor Output Optocouplers 4-Ch Anode Comm Col
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CEL 1200
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AUD 14
Multiples of: 1

TLP185(Y-TPL,SE


Toshiba Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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Toshiba 1197
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AUD 0.2899
Multiples of: 5

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