About Optocouplers / Photocouplers

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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Global Stock ⓘ (▲▼)Price(USD) 

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LTV-816S-TA1-C


Transistor Output Optocouplers P/C LTV-816S-TA1-C TAPPING TYPE II
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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 Availability : 34415
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USD 0.0404

Multiples of: 10

TLP290-4(GB-TP,E(T


Optocouplers SO-16 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.

Toshiba Availability : 34322
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USD 0.4322

Multiples of: 1

VOS617A-7X001T


Transistor Output Optocouplers CTR 80-160% 5mA
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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 Availability : 34284
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USD 0.154

Multiples of: 1

VOS628A-3T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=1MA
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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 Availability : 34081
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USD 0.2519

Multiples of: 1

EL0631(TA)


Optocouplers SMD-8 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.

Everlight Availability : 34022
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USD 0.4101

Multiples of: 5

FOD814ASD


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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.

ON Semiconductor Availability : 33950
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USD 0.1547

Multiples of: 1000

EL817C-G


Transistor Output Optocouplers Optocoupler Transistor DC Input
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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.

Everlight Availability : 33937
Ship by Thu. 26 Dec to Tue. 31 Dec Calender.png

USD 0.0548

Multiples of: 5

FOD817A300W


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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.

ON Semiconductor Availability : 33853
Ship by Thu. 12 Dec to Wed. 18 Dec Calender.png

USD 0.09

Multiples of: 1

PC817C-MS


35V 50mA 1 6V 1.2V DIP-4 Optocouplers - Phototransistor Output 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.

MSKSEMI Availability : 33758
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USD 0.027

Multiples of: 20

LTV-1008-TP1-G


Optocouplers SOP-4 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.

Lite-On Availability : 33474
Ship by Thu. 26 Dec to Tue. 31 Dec Calender.png

USD 0.0487

Multiples of: 5

PC817BS


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-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 Availability : 32786
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USD 0.0256

Multiples of: 10

TCMT4600


Transistor Output Optocouplers Phototransistor Out Quad CTR 80-300%
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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 Availability : 32618
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USD 0.8954

Multiples of: 1

H11AA4M


Transistor Output Optocouplers 6-PIN DIP AC INPUT PHOTOTRANSLATOR
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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.

ON Semiconductor Availability : 32417
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USD 0.2671

Multiples of: 1

VOM617A-X001T


Transistor Output Optocouplers Phototransistor Out CTR 50-600% 5mA VDE
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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 Availability : 32141
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USD 0.2066

Multiples of: 1

EL357N(B)(TA)-VG


Transistor Output Optocouplers Optocoupler
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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.

Everlight Availability : 31980
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USD 0.053

Multiples of: 5

TCMT4106


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOP16
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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 Availability : 31958
Ship by Tue. 10 Dec to Thu. 12 Dec Calender.png

USD 0.7722

Multiples of: 1

VOS617A-7T


Transistor Output Optocouplers CTR 80-160% 5mA
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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 Availability : 31735
Ship by Tue. 10 Dec to Thu. 12 Dec Calender.png

USD 0.154

Multiples of: 1

VOMA617A-4X001T


Transistor Output Optocouplers 80V Vceo; 3750 VRMS SOP-4; 160 CTR
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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 Availability : 31715
Ship by Tue. 10 Dec to Thu. 12 Dec Calender.png

USD 0.9285

Multiples of: 1

ILD1207T


Transistor Output Optocouplers Phototransistor Out Dual 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 Availability : 31216
Ship by Tue. 10 Dec to Thu. 12 Dec Calender.png

USD 0.4884

Multiples of: 1

LTV-817S-TA1-B


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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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 Availability : 31169
Ship by Thu. 26 Dec to Tue. 31 Dec Calender.png

USD 0.0366

Multiples of: 10

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