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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4N25S-TA1


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV
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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.

Lite-On 7638
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AUD 0.1622
Multiples of: 5

PS2381-1Y-F3-AX


Transistor Output Optocouplers BV = 5000Vr.m.s. -40c + 115c
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CEL 5626
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AUD 0.8171
Multiples of: 1

ILD1206T


Vishay Semiconductors Transistor Output Optocouplers DUAL CHANNEL CTR 63-125%
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Vishay 5586
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AUD 0.9423
Multiples of: 1

VOL617A-4T


Transistor Output Optocouplers Optocoupler LSOP4
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Vishay 5577
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AUD 0.2546
Multiples of: 1

4N37S-TA1


Optoisolator Transistor with Base Output 1500Vrms 1 Channel 6-SMD
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Lite-On 5567
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AUD 0.2054
Multiples of: 1

TCLT1000


Transistor Output Optocouplers Phototransistor Out
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Vishay 5559
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AUD 0.3363
Multiples of: 1

LTV-214B


3.75kV 50mA 200mV@1mA,20mA 1 1.4V AC,DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 5548
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AUD 0.1203
Multiples of: 5

TCLT1013


Transistor Output Optocouplers SOP-6L4 CPLR 100-200% CTR 10MA
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Vishay 5532
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AUD 0.3866
Multiples of: 1

ELR2223


DIP-8 Optocouplers - Thyristor Signal Output ROHS
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Everlight 5521
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AUD 0.4501
Multiples of: 1

PS2833-4-A


Transistor Output Optocouplers Hi-Iso Col-Emit 4-Ch
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CEL 5382
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AUD 6.5676
Multiples of: 1

First...8687888990...

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