Optocoupler ICs

An optocoupler, also known as an opto-isolator or photocoupler, is a semiconductor device which is used to couple isolated circuits. Within an optocoupler you will find a light emitter and a light sensor. Optocouplers usually come in a semiconductor package, such as SOIC or PDIP.

How does an optocoupler work?
Optocouplers work by transferring energy from one circuit to another circuit via an optical transmission path, while providing electrical isolation
The light emitter device can come in the form of an LED (light emitting diode) that produces IR or visible light, or a laser diode. The light emitter receives the input and converts it into a light signal. The light detector senses the light emitter and converts it back into an electrical signal.

Optocouplers are often used in high-voltage applications to block the high voltages and variations in voltage. This ensures that, if there is a spike in one part of a circuit, it will not affect other parts. Therefore they are ideal for applications which may experience variations in voltage.

Types of Optocoupler:
• Resistive
• Photodiode
• Phototransistor
• Bidirectional

Output Types
• CMOS
• Darlington
• IGBT Gate Drive
• Logic Gate
• MOSFET
• Photodarlington
• Phototransistor
• Single Transistor
• TRIAC

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제품설명 단가 Mounting Type Output Device Maximum Forward Voltage Number of Channels Number of Pins Package Type Input Current Type Typical Rise Time Maximum Input Current Isolation Voltage Logic Output Maximum Current Transfer Ratio Minimum Current Transfer Ratio Typical Fall Time
RS 제품 번호 145-5525
제조사 부품 번호4N35M
제조사ON Semiconductor
₩289.85
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Through Hole Transistor 1.5V 1 6 PDIP DC - 60 mA 7.5 kVrms - - 100 % -
RS 제품 번호 671-1352
제조사 부품 번호4N35M
제조사ON Semiconductor
₩739.35
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Through Hole Transistor 1.5V 1 6 PDIP DC - 60 mA 7.5 kVrms - - 100 % -
RS 제품 번호 739-0265
제조사 부품 번호FOD817A300
제조사ON Semiconductor
₩483.60
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Through Hole Transistor 70V 1 4 DIP-B DC 18µs 50 mA 5000 Vrms - 160% - 18µs
RS 제품 번호 169-8557
제조사 부품 번호FOD817A300
제조사ON Semiconductor
₩158.10
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Through Hole Transistor 70V 1 4 DIP-B DC 18µs 50 mA 5 kVrms - 160% - 18µs
RS 제품 번호 166-2444
제조사 부품 번호MOC3083M
제조사ON Semiconductor
₩539.40
Each (In a Bag of 1000)
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Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7.5 kVrms - - - -
RS 제품 번호 169-8548
제조사 부품 번호MOC3062M
제조사ON Semiconductor
₩599.85
Each (In a Bag of 1000)
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Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS 제품 번호 166-2236
제조사 부품 번호HCPL2531S
제조사ON Semiconductor
₩1,571.70
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Surface Mount Phototransistor 1.8V 2 8 MDIP DC 1.5µs 25 mA 2.5 kVrms Yes 50% - 1.5µs
RS 제품 번호 807-6651
제조사 부품 번호HCPL2531SD
제조사ON Semiconductor
₩1,829.00
Each (In a Pack of 5)
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Surface Mount Phototransistor 1.8V 2 8 MDIP DC 1.5µs 25 mA 2500 V ac Yes 50% - 1.5µs
RS 제품 번호 739-0256
제조사 부품 번호MOC3083M
제조사ON Semiconductor
₩1,246.20
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Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7500 V ac - - - -
RS 제품 번호 671-1444
제조사 부품 번호MOC3062M
제조사ON Semiconductor
₩1,061.75
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Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS 제품 번호 903-4267
제조사 부품 번호HCPL2531S
제조사ON Semiconductor
₩1,643.00
Each (In a Pack of 5)
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Surface Mount Phototransistor 1.7V 2 8 DIP DC - 50 mA 2500 Vrms Yes 50% - -
RS 제품 번호 166-2381
제조사 부품 번호HCPL2531SD
제조사ON Semiconductor
₩1,494.20
Each (On a Reel of 1000)
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Surface Mount Phototransistor 1.8V 2 8 MDIP DC 1.5µs 25 mA 2.5 kVrms Yes 50% - 1.5µs
RS 제품 번호 864-9136
제조사 부품 번호FOD3180TV
제조사ON Semiconductor
₩2,230.45
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Through Hole MOSFET Gate Driver 1.8V 1 8 DIP - 75ns 25 mA 5000 Vrms - - - 55ns
RS 제품 번호 671-1419
제조사 부품 번호HCPL2630
제조사ON Semiconductor
₩3,534.00
Each
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Through Hole Logic Gate 1.8V 1 8 DIP DC 50ns 50 mA 2.5 kVrms Yes - - 12ns
RS 제품 번호 166-1895
제조사 부품 번호FOD817B3SD
제조사ON Semiconductor
₩176.70
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Surface Mount Phototransistor 1.4V 1 4 MDIP DC 18µs 50 mA 5 kVrms - 260% - 18µs
RS 제품 번호 124-1738
제조사 부품 번호HCPL2630
제조사ON Semiconductor
₩2,475.35
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Through Hole Logic Gate 1.8V 1 8 DIP DC 50ns 50 mA 2500 V ac Yes - - 12ns
RS 제품 번호 761-3521
제조사 부품 번호FOD817B3SD
제조사ON Semiconductor
₩192.20
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Surface Mount Phototransistor 1.4V 1 4 DIP DC 4µs 50 mA 5000 V ac - 260% - 3µs
RS 제품 번호 903-4213
제조사 부품 번호FOD817BSD
제조사ON Semiconductor
₩198.40
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Surface Mount Phototransistor 1.4V 1 4 PDIP AC 4µs - 5000 V ac Yes 600% - 3µs
RS 제품 번호 671-1412
제조사 부품 번호MCT6
제조사ON Semiconductor
₩847.85
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Through Hole Transistor 1.5V 2 8 PDIP DC - 60 mA 5 kVrms - - 20 % -
RS 제품 번호 903-4087
제조사 부품 번호6N137SDM
제조사ON Semiconductor
₩965.65
Each (In a Pack of 10)
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Surface Mount Photodetector 1.8V 1 8 DIP DC 30ns 200 mA 5000 V ac Yes - - 10ns