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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ELQ3H7(TA)


Transistor Output Optocouplers Photo Transistor SMD
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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 : 28527
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USD 0.208

Multiples of: 5

SFH6156-3T0


Transistor Output Optocouplers H. Relblty 5300 Vrms 100-200% 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 : 28498
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USD 0.3065

Multiples of: 1

PS2561L-1-V-F3-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.

Renesas Availability : 28458
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USD 0.3428

Multiples of: 1

CNY17-4X007T


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 : 28454
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USD 0.24

Multiples of: 1

H11D1X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP6
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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.

Isocom Availability : 28246
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USD 0.414

Multiples of: 1040

EL3H4(A)(TB)-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 : 27933
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USD 0.1014

Multiples of: 5

VOS617A-4T


Vishay Semiconductors Transistor Output Optocouplers CTR 160-320% 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 : 27774
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USD 0.165

Multiples of: 1

MOC3023M


100mA 60mA 400V 1.18V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal 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.

Youtai Availability : 27717
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USD 0.1034

Multiples of: 5

4N25


Optocouplers DIP-6 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 : 27713
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USD 0.1043

Multiples of: 5

TLP2761(TP,E(T


SOP-6 Logic 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.

Toshiba Availability : 27645
Ship by Thu. 26 Dec to Tue. 31 Dec Calender.png

USD 0.502

Multiples of: 1

PC817C-S


SOP-4-2.54mm 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.

Youtai Availability : 27480
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USD 0.0231

Multiples of: 10

VOS618A-3T


Vishay Semiconductors 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 : 27350
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USD 0.165

Multiples of: 1

TLP118(TPL,E)


High Speed Optocouplers PDP 15kV 4.5 to 5.5V 5.0mA 60ns 3750 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.

Toshiba Availability : 27202
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USD 0.4137

Multiples of: 1

TLP124(BV-TPR,F)


Transistor Output Optocouplers 80Vceo 3750Vrms Low input current
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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 : 26888
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USD 0.4939

Multiples of: 1

TLP627(F)


Transistor Output Optocouplers 300V Photocoupler 5000 Vrms 150 IC
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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 : 26855
Ship by Thu. 26 Dec to Tue. 31 Dec Calender.png

USD 0.2592

Multiples of: 1

TLP5702(TP,E


Logic Output Opto-couplers Driver Coupler 2.5A; Fast Speed
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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 : 26642
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USD 0.5294

Multiples of: 1

EL1018


Optocouplers LSOP-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.

Youtai Availability : 26626
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USD 0.0463

Multiples of: 10

6N136M


High Speed Optocouplers High Speed 1MBd Transistor Output
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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 : 26516
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USD 0.2872

Multiples of: 1

CPC1001N


Transistor Output Optocouplers Dual 1 Form-A relay 4-Pin SOP
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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.

IXYS Availability : 26397
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USD 0.5786

Multiples of: 1

MOC3083


Triac & SCR Output Optocouplers 800VDRM IFT=5mA 6 Pin 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.

Lite-On Availability : 26320
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USD 0.1466

Multiples of: 5

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