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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SFH615A-3X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP4
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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 97000
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AUD 0.2284
Multiples of: 100

MOC3042D


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 0
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AUD 0.2172
Multiples of: 5

LTV-217-G


Transistor Output Optocouplers Optocoupler, AC 600%, 5KV, 4 PIN
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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 0
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AUD 0.2174
Multiples of: 3000

4N26S-TA


Single Channel 80 V 5000 Vrms Phototransistor Optocoupler Surface Mount - DIP-6
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Everlight 0
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AUD 0.2176
Multiples of: 1000

TLP293(BL,E


Transistor Output Optocouplers 50mA Photocoupler 80V 3750Vrms
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Toshiba 0
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AUD 0.218
Multiples of: 175

EL3053S(TA)-V


Triac & SCR Output Optocouplers 600PBV 5000Vrms -55 to +100 Op Temp
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Everlight 0
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AUD 0.219
Multiples of: 5

PS2561DL1-1Y-L-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 0
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AUD 0.219
Multiples of: 1

HCPL-817-36CE


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD Tube
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Broadcom 0
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AUD 0.2193
Multiples of: 25000

KL3081M


800V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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Kinglight 0
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AUD 0.2199
Multiples of: 5

KL3062S1-TA


600V 1.5V SMD-6 Triac, SCR Output Optoisolators ROHS
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AUD 0.2203
Multiples of: 5

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