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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MOC3041SR2M


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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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 : 14332
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USD 0.3028

Multiples of: 1

SFH610A-3


Transistor Output Optocouplers RECOMMENDED ALT 78-VO610A-3
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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 : 4946
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USD 0.3685

Multiples of: 1

AT814A-CuH-D


5kV 50mA 200mV@1mA,20mA 1 1.2V DC DIP-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 : 4845
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USD 0.0606

Multiples of: 5

QCPL-341H-500E


300ns 15V~30V 25kV/us DC SOP-8-2.54mm 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.

Broadcom Availability : 4844
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USD 0.6766

Multiples of: 1

VO2223A-X007T


Triac & SCR Output Optocouplers Power Phototriac 1A
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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 : 4840
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USD 1.039

Multiples of: 1

EL817B


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC DIP-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 : 4830
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USD 0.0239

Multiples of: 20

CYPS2501-1(K)


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.

OCIC Availability : 4830
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USD 0.0472

Multiples of: 5

4N35S(TA)


Everlight Transistor Output Optocouplers Optocouplers
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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 : 4830
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USD 0.1441

Multiples of: 5

FODM3012R2V_NF098


Triac & SCR Output Optocouplers MFP, 250V Random Phase Triac 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.

ON Semiconductor Availability : 4825
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USD 0.451

Multiples of: 1

LTV-814H


Transistor Output Optocouplers Optocoupler AC 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.

Lite-On Availability : 4824
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USD 0.1477

Multiples of: 1

AT816D-FEH-D


150mA 5kV 400mV@1mA,1mA 1 6V 1.4V DC DIP-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 : 4820
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USD 0.0315

Multiples of: 10

H11B1SM


OPTOISO 5.3KV DARL W/BASE 6SMD
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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 : 4819
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USD 0.1173

Multiples of: 1

PS2913-1-V-F3-AX


Transistor Output Optocouplers OPTOCOUPLER 4-PIN SSOP
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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 : 4819
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USD 0.8894

Multiples of: 1

CNY17F-1M


Transistor Output Optocouplers HCEV, 40%, 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 : 4799
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USD 0.1223

Multiples of: 1

VOM618AT


Transistor Output Optocouplers Phototransistor Out CTR 50-600% 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 : 4798
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USD 0.1386

Multiples of: 1

TLP3910(D4C20TPE


Photodiode Output Optocouplers Photovoltaic Coupler; High Voc; SO6L; RoHS; 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.

Toshiba Availability : 4795
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USD 1.704

Multiples of: 1

EL3H7B


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.2V DC SSOP-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 : 4782
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USD 0.0491

Multiples of: 10

FODM3083R2


Optotriac; 3.75kV; triac; Mini-flat 4pin; Channels:1
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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 : 4782
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USD 0.5918

Multiples of: 1

IL300


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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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 : 4429
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USD 1.287

Multiples of: 1

EL1019


5kV 50mA 300mV@1mA,10mA 1 6V 1.2V DC LSOP-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 : 0
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USD 0.0426

Multiples of: 10

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