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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H11AA1SR2M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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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.

ON Semiconductor Availability : 383150
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USD 0.3155
Multiples of: 1000

H11AA1XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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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 : 47918
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USD 0.3767
Multiples of: 1300

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 : 47821
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USD 0.0207
Multiples of: 20

4N35SR2M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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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.

ON Semiconductor Availability : 47530
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USD 0.2444
Multiples of: 1000

TLP293(GR-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Transistor Optocoupler AC 125C
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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 : 47332
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USD 0.1605
Multiples of: 5

VOS617A-3X001T


Transistor Output Optocouplers CTR 100-200% 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 : 47206
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USD 0.1529
Multiples of: 1

VOS615A-3T


Transistor Output Optocouplers Optcplr 100-200% CTR 10mA SSOP-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 : 47199
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USD 0.1594
Multiples of: 1

TLP2355(TPL,E


Toshiba High Speed Optocouplers Hi Spd Photocoupler 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 : 47079
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USD 0.3739
Multiples of: 1

Hot FODM121A


Optocoupler; SMD; Channels:1; Out: transistor; 80V; Mini-flat 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.

ON Semiconductor Availability : 46956
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USD 0.2287
Multiples of: 1

SFH6156-2X001


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 : 46950
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USD 0.2806
Multiples of: 1

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