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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TLP620SM


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.

Isocom Availability : 37830
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USD 0.2332
Multiples of: 3000

PS2505-1SM


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.

Isocom Availability : 37830
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USD 0.2332
Multiples of: 3000

CNY17-3-500E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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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 : 37830
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USD 0.2369
Multiples of: 1000

SFH620A-3XSMT&R


AC INPUT PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
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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 : 37830
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USD 0.2848
Multiples of: 3000

TLP3906(TPL,E


Photodiode Output Optocouplers GaAAs Infrared LED and Photo Diode
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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 : 37830
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USD 0.8747
Multiples of: 3000

H11L2SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 6
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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 : 37703
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USD 0.4664
Multiples of: 2990

PC817B


35V 50mA 200mV 1 6V 1.2V DC SMD-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.

HXY MOS Availability : 37558
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USD 0.0253
Multiples of: 10

PS2801-4-A


Transistor Output Optocouplers OPTOCOUPLER 16-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 : 37527
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USD 2.2899
Multiples of: 1

TLP293-4(GB-TP,E(T


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.

Toshiba Availability : 36749
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USD 0.5065
Multiples of: 1

TCMT4106


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOP16
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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 : 36469
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USD 0.7475
Multiples of: 1

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