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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PC123X2YFZ1B


Transistor Output Optocouplers Optoisolator Transistor Output 5000Vrms 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 : 4472
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USD 0.2268

Multiples of: 1

MOC3041D


60mA 400V 1.25V Two-way thyristor DIP 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 3026
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USD 0.1344

Multiples of: 5

CNY174SM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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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 : 3026
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USD 0.2057

Multiples of: 1

TLP2761(TP,E(O


SOP-6 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.

Toshiba Availability : 3024
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USD 0.5037

Multiples of: 1

HCPL0639


Fairchild Semiconductor High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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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 : 3021
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USD 1.001

Multiples of: 1

ELM611(TA)-V


10Mbit/s 100ns 7V 20kV/us DC SOP-5 Optocouplers - Logic 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.

Everlight Availability : 3009
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USD 0.3738

Multiples of: 1

LTV-155E


MOSFET Output Optocouplers SOP-5 IGBT Driver 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.

Lite-On Availability : 3008
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USD 0.4027

Multiples of: 1

CNY65


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 : 3007
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USD 0.826

Multiples of: 1

HCPL0500R2


Fairchild Semiconductor High Speed Optocouplers HS Optocoupler 1Ch Transistor
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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 : 3003
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USD 1.0236

Multiples of: 1

HCPL-063L-500E


Logic Output Optoisolator 15MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 10kV/µs CMTI 8-SO Tall
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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 : 2971
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USD 1.1877

Multiples of: 1

LTV-817M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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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 : 2969
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USD 0.105

Multiples of: 1

LTV-852S


Transistor Output Optocouplers Optocoupler Phototransistor
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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 : 2968
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USD 0.2508

Multiples of: 1

H11D1SR2M


Transistor Output Optocouplers Hi Volt 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 : 2944
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USD 0.3927

Multiples of: 1

SFH610A-1


Transistor Output Optocouplers RECOMMENDED ALT 78-VO610A-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.

Vishay Availability : 2939
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USD 0.2604

Multiples of: 1

MCT6SD


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 : 2939
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USD 0.3333

Multiples of: 1

IL300-F


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 : 2911
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USD 5.72

Multiples of: 1

SFH6156-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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 : 2768
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USD 0.245

Multiples of: 1

ILD213T


Transistor Output Optocouplers Phototransistor Out Dual CTR >100%
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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 : 1270
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USD 0.4829

Multiples of: 1

TLP785(D4-GB,F(C


Optocouplers DIP-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.

Toshiba Availability : 0
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USD 0.1911

Multiples of: 1

TLP183(V4-GRTL,E


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 : 0
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USD 0.8753

Multiples of: 1

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