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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H11A1TVM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; 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 : 2187
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USD 0.2068

Multiples of: 1

VOS627A-2T


Transistor Output Optocouplers AC Input Phtotrnstr 63-125%CTR +-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 : 2183
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USD 0.253

Multiples of: 1

HMHA2801A


Transistor Output Optocouplers 4PN 1/2PTH PhtoXstr 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 : 2182
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USD 0.1688

Multiples of: 3000

SFH6286-3T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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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 : 2178
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USD 0.4262

Multiples of: 1

HCPL-817-000E


Transistor Output Optocouplers 5000 Vrms 50mA
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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 : 2170
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USD 0.2002

Multiples of: 1

FODM8801B


Transistor Output Optocouplers OptoHiT Phototrans 75V 1-Ch CTR 260%
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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 : 2166
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USD 0.5962

Multiples of: 1

HCNW4503-500E


High Speed Optocouplers 1Ch 16mA 700mW
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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 : 2166
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USD 1.674

Multiples of: 1

EL3H7(B)(TA)-VG


Transistor Output Optocouplers 50-600CTR 3750Vrms -55 to +110 Op Temp
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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 : 2163
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USD 0.042

Multiples of: 5

MOC3020S-TA1


Triac Optocouplers SMD-6 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 : 2163
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USD 0.1031

Multiples of: 5

4N27M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; 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 : 2156
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.1936

Multiples of: 1

FOD817D300W


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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 : 2154
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.1122

Multiples of: 1

TCLT1006


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 : 2154
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USD 0.2296

Multiples of: 0

TLP352(D4-TP1,F)


Logic Output Opto-couplers Photocoupler, Photo IC 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.

Toshiba Availability : 2147
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USD 0.713

Multiples of: 1

CNY17-3X006


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 : 2141
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USD 0.2211

Multiples of: 1

PR3BMF51NSLH


Triac & SCR Output Optocouplers Solid State Relay (SSR)
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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 : 2141
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USD 0.6324

Multiples of: 1

TLX9304(TPL,F


Logic Output Opto-couplers IC Coupler Automotive; AEC-Q101
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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 : 2137
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USD 1.8294

Multiples of: 1

ACPL-C79B-500E


Avago Technologies Optically Isolated Amplifiers Precision Iso-Amp
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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 : 2136
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USD 3.0696

Multiples of: 1

MOC3083M


100mA 60mA 1.23V Two-way thyristor DIP-6 Triac, SCR 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 : 2134
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USD 0.1841

Multiples of: 5

CNY17F-3X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 : 2127
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USD 0.2497

Multiples of: 1

HMHA2801CR2


Fairchild Semiconductor 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.

ON Semiconductor Availability : 2124
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USD 0.209

Multiples of: 1

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