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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SFH6156-2T


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 : 24250
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USD 0.1475

Multiples of: 1000

S2S3LA0F


Triac & SCR Output Optocouplers 5mA Ift 600V nonZC Phototriac 3Kpcs
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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.

Sharp Availability : 21825
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USD 0.5599

Multiples of: 1

PC817X3NIP1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS SMD, Optoisolator Transistor Output 1 Channel
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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.

Sharp Availability : 21330
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USD 0.0771

Multiples of: 5

MCT9001SD


Transistor Output Optocouplers 2-CH PHOTOTRANS SMD SMD DIP-8
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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 : 21061
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USD 0.3322

Multiples of: 1

CPC1001NTR


IXYS Integrated Circuits Transistor Output Optocouplers Dual 1-Form-A relay 4-Pin Surface Mount
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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 : 20965
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USD 0.5632

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 : 20841
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USD 0.3806

Multiples of: 1

EL1013(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 : 20336
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USD 0.0785

Multiples of: 5

EL357N(A)(TA)-VG


Transistor Output Optocouplers 4-pin SOP (2mm) 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 : 20180
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USD 0.093

Multiples of: 5

PC817C


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.

Youtai Availability : 20176
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USD 0.0189

Multiples of: 20

TCMT4600T0


Transistor Output Optocouplers AC Input, Phtotrnstr 80-300% CTR 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 : 20114
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USD 0.9781

Multiples of: 1

PS2802-4-A


Transistor Output Optocouplers Hi-Iso Darling 4-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 : 20042
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USD 3.9544

Multiples of: 1

TLP267J(TPL,E(T


1 3750V 70mA 30mA 600V 500V/us 1.27V No Two-way thyristor -40℃~+100℃ SO-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.

Toshiba Availability : 19814
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USD 0.3519

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 : 19283
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USD 0.6006

Multiples of: 1

VOL617A-8X001T


Transistor Output Optocouplers Phtotrnstr LSOP-4 CTR% 130 to 260
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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 : 18412
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USD 0.165

Multiples of: 1

TCMT4100T0


Transistor Output Optocouplers AC Input, Phtotrnstr 50-600% CTR 5mAVDE-
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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 : 17417
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USD 0.7507

Multiples of: 1

VOM1271T


Photodiode Output Optocouplers MOSFET DRVR ISOLATED SOP4
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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 : 14645
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USD 0.957

Multiples of: 1

EL3H7(B)(TA)-VG


Transistor Output Optocouplers 50-600CTR 3750Vrms -55 to +110 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 : 13580
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USD 0.0417

Multiples of: 5

LTV-817C


Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin
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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 : 1843
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USD 0.0328

Multiples of: 10

MOC3062M


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; 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.

ON Semiconductor Availability : 299
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USD 0.3174

Multiples of: 1

FODM3053R2V-NF098


Optocouplers SMD-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.

ON Semiconductor Availability : 25
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USD 1.0578

Multiples of: 1

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