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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ELR0223


Optocouplers DIP-8 RoHS
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Everlight 4599
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AUD 0.5323
Multiples of: 1

AT816C-FEH-D


150mA 5kV 400mV@1mA,1mA 1 6V 1.4V DC DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

AOTE 4588
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AUD 0.0415
Multiples of: 10

PS2501AL-1-F3-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 4569
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AUD 0.2907
Multiples of: 1

VOS617A-9X001T


Vishay Semiconductors Transistor Output Optocouplers CTR 200-400% 5mA
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Vishay 4543
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AUD 0.2653
Multiples of: 1

PS2815-4-A


Transistor Output Optocouplers OPTOCOUPLER 16PIN SSOP
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Renesas 4536
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AUD 8.2143
Multiples of: 1

SFH640-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 4530
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AUD 1.0496
Multiples of: 1

TCET1104G


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 4529
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AUD 0.3385
Multiples of: 1

EL3052M-V


100mA 10mA 600V 1.5V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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Everlight 4394
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AUD 0.2199
Multiples of: 5

VOS617A-2X001T


Transistor Output Optocouplers CTR 63-125% 5mA
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Vishay 4074
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AUD 0.2459
Multiples of: 1

VOL617A-4X001T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=5MA
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Vishay 1168
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AUD 0.2637
Multiples of: 1

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