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-217-TP1-B-G


Lite-On Transistor Output Optocouplers Optocoupler, AC 600%, 5KV, 4 PIN
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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 : 52661
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USD 0.0403

Multiples of: 10

FODM217BR2


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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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 : 14550
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USD 0.1804

Multiples of: 1

4N25-X009T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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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 : 14534
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USD 0.2354

Multiples of: 1

6N136S(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 : 14405
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USD 0.3004

Multiples of: 1

SFH619A-X009


Transistor Output Optocouplers Photodarlington Out Single CTR > 1000%
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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 : 14261
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USD 0.452

Multiples of: 1

TLP351(TP1,F)


Toshiba Logic Output Optocouplers IC cplr IGBT drive
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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 : 14245
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USD 0.6192

Multiples of: 1

PS2701A-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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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.

CEL Availability : 14125
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USD 0.7634

Multiples of: 1

FODM8071R2


High Speed Optocouplers High Noise Immunity 3.3/5V Logic Gat Out
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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 : 13748
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USD 1.463

Multiples of: 1

CNY17F-3S-TA1


Transistor Output Optocouplers HCEV, 100%, 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 Availability : 13721
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USD 0.1332

Multiples of: 1

TLP2301(GB-TPL,E(T


SOP-4 Optocouplers - Logic 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.

Toshiba Availability : 13674
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USD 0.1712

Multiples of: 1

LTV-247-V-G-HC


SSOP-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.

Lite-On Availability : 13616
Ship by Thu. 06 Nov to Wed. 12 Nov Calender.png

USD 0.3037

Multiples of: 1

SFH6186-5


Transistor Output Optocouplers Phototransistor Out Single CTR 250-500%
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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 : 13587
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USD 0.3146

Multiples of: 1

VOT8125AD


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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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 : 13570
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USD 0.3509

Multiples of: 1

PS2505-1-A


Transistor Output Optocouplers Hi-Iso AC Input 1-Ch
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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.

CEL Availability : 13332
Ship by Tue. 04 Nov to Thu. 06 Nov Calender.png

USD 0.2607

Multiples of: 1

LTV-816S


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:80V
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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 : 12769
Ship by Tue. 04 Nov to Thu. 06 Nov Calender.png

USD 0.0858

Multiples of: 1

TCMT1104


Transistor Output Optocouplers Phototransistor Out
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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 : 12768
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USD 0.1826

Multiples of: 1

FODM2701R2


Transistor Output Optocouplers Phototransistor Output 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.

ON Semiconductor Availability : 12020
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USD 0.198

Multiples of: 1

EL3083


Triac & SCR Output Optocouplers 800PBV 5000Vrms -55 to +100 Op Temp
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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 : 6353
Ship by Thu. 06 Nov to Wed. 12 Nov Calender.png

USD 0.11

Multiples of: 5

SFH6156-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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 : 4850
Ship by Thu. 06 Nov to Wed. 12 Nov Calender.png

USD 0.1353

Multiples of: 1000

SFH6186-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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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 : 461
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USD 0.2856

Multiples of: 1

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