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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VO617A-4X006


Transistor Output Optocouplers H. Relblty 5300 Vrms 160-320% 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 : 2068
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USD 0.1001

Multiples of: 1

PS2811-1-A


Transistor Output Optocouplers Hi CTR Lo-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 : 2062
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USD 1.199

Multiples of: 1

HTLP521GB-S


SMD-4P Transistor Output Optocoupler 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.

HXY MOS Availability : 2061
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USD 0.0907

Multiples of: 5

FOD8143S


Transistor Output Optocouplers OPTO_LIGHTING
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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 : 2060
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USD 0.1736

Multiples of: 1

MOC3031SM


Triac & SCR Output Optocouplers SO-6 ZERO TRIAC
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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 : 2059
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USD 0.3564

Multiples of: 1

TLP183(BL,E(T


SOIC-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.

Toshiba Availability : 2059
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USD 0.4183

Multiples of: 1

EL817(C)


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 : 2046
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USD 0.0329

Multiples of: 10

PS2805C-4-F3


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.

Renesas Availability : 2046
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USD 0.7514

Multiples of: 1

PS2503-1-A


Transistor Output Optocouplers Hi-Speed Switch 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 : 2043
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USD 0.5643

Multiples of: 1

LTV-816-C-CU


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.

Lite-On Availability : 2037
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USD 0.05

Multiples of: 10

TLP293(GR.E(T


Transistor Output 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.

Toshiba Availability : 2037
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USD 0.2786

Multiples of: 1

FOD817AS


Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
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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 : 2032
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USD 0.1904

Multiples of: 1

TCET1101G


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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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 : 2023
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USD 0.1562

Multiples of: 1

LOC111STR


IXYS Integrated Circuits High Linearity Optocouplers Linear 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.

IXYS Availability : 2023
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USD 1.54

Multiples of: 1

FOD817300W


Transistor Output Optocouplers Phototransistor 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 : 2021
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USD 0.1133

Multiples of: 1

TCDT1101


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 : 2021
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USD 0.2013

Multiples of: 1

H11F1M


Optocoupler; THT; Channels:1; Out: transistor; 7kV; 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 : 2019
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USD 0.5489

Multiples of: 1

VO618A-4


Transistor Output Optocouplers Optcplr 160-320% CTR 1mA DIP-4
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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 : 2018
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USD 0.1143

Multiples of: 1

FODM453R2V


Fairchild Semiconductor High Speed Optocouplers HSHigh CMR Trans 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 : 2016
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USD 0.5188

Multiples of: 1

MCT6W


Transistor Output Optocouplers 8-Pin Optocoupler Dual Ch Phototrans
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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 : 2012
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USD 0.3212

Multiples of: 1

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