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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FOD814A


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 : 70907
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USD 0.119

Multiples of: 100

PS2561DL-1Y-A


Transistor Output Optocouplers BV=5000Vr.m.s 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.

CEL Availability : 7107
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USD 0.2783

Multiples of: 1

4N28


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 : 7088
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USD 0.1694

Multiples of: 1

FODM3053R2_NF098


Optotriac; 3.75kV; triac; Mini-flat 4pin; Channels:1; 1kV/µs
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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 : 7081
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USD 0.6424

Multiples of: 1

SFH6286-4X001


Transistor Output Optocouplers Phototransistor Out AC-In CTR>160-500%
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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 : 7038
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USD 0.5161

Multiples of: 1

VOM617A-2X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 63-125% 5mA VDE
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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 : 7024
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USD 0.1386

Multiples of: 1

FOD2712AR2


Transistor Output Optocouplers Isolated Error Amp 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 : 7019
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USD 0.5621

Multiples of: 1

TLP785F(GR-LF7.F(C


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:80V
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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 : 6992
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USD 0.1666

Multiples of: 1

SFH690DT


Transistor Output Optocouplers Phototransistor Out Single CTR>200-400%
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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 : 6962
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USD 0.2497

Multiples of: 1

PS2801C-4-F3-A/M


SOP-16 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.

Renesas Availability : 6896
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USD 0.9769

Multiples of: 1

HCNR201-500E


High Linearity Optocouplers 1 Ch 60mW 25mA
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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 : 6877
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USD 1.5653

Multiples of: 1

PS2811-4-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 : 6869
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USD 4.2205

Multiples of: 1

SFH6286-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-200%
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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 : 6848
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USD 0.4142

Multiples of: 1

TLP351H(F)


Logic Output Optocouplers Photo-IC 3750 Vrms 35V VCC 5mA 30V
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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 : 6823
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USD 0.5709

Multiples of: 1

LTV-356T-A


Transistor Output Optocouplers P/C LTV-356T BIN A (2.0) STD. TYPE
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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 : 6822
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USD 0.1078

Multiples of: 1

CNY17F-3X009


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 : 6806
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USD 0.2211

Multiples of: 1

EL8171-G


35V 5kV 200mV@1mA,10mA 1 6V 1.2V DC 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.

Everlight Availability : 6804
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USD 0.1397

Multiples of: 5

LTV-844HS


Transistor Output Optocouplers Optocoupler AC in 4-CHNL
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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 : 6728
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USD 0.5918

Multiples of: 1

TLP292-4(GB-TP,E(T


Optocouplers SO-16_4.5mm 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 : 1453
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USD 0.5219

Multiples of: 1

VOL628A-3T


Transistor Output Optocouplers AC Input, Phtotrnstr 100-200% 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 : 388
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USD 0.2211

Multiples of: 1

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