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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SFH6156-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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.

Vishay 2555
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AUD 0.3133
Multiples of: 1

VOM617A-9X001T


Transistor Output Optocouplers Phototransistor Out CTR 200-400% 5mA VDE
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Vishay 2550
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AUD 0.22
Multiples of: 1

PS2501


Optocouplers Through Hole RoHS
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Youtai 2549
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AUD 0.0875
Multiples of: 5

FOD0720


High Speed Optocouplers High CMR 25Mbit/sec Logic Gate
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ON Semiconductor 2547
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AUD 2.6715
Multiples of: 1

TLP265J(E(T


Triac & SCR Output Optocouplers
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Toshiba 2546
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AUD 0.2456
Multiples of: 2625

ATM501-CuH-S


1Mbit/s 800ns 18V 5kV/s DC S0P-5 Logic Output Optoisolators ROHS
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AOTE 2540
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AUD 0.4943
Multiples of: 1

VO615A-2X016


Transistor Output Optocouplers H.Temp Phototrnstr 63-125% CTR, VDE
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Vishay 2539
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AUD 0.1729
Multiples of: 1

TCLT1108


Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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Vishay 2536
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AUD 0.4115
Multiples of: 1

HCPL0601


Optocoupler; SMD; Channels:1; Out: transistor; 3.75kV; SO8; 10kV/μs
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ON Semiconductor 2532
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AUD 0.5875
Multiples of: 2611

4N28M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 2528
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AUD 0.3038
Multiples of: 1

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