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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Description Price 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庫存編號 352-5495
製造零件編號AQY414EH
BrandPanasonic
HK$37.62
單位
Through Hole MOSFET - - 4 DIP DC - 50 mA 5 kVrms - - - -
RS庫存編號 171-8623
製造零件編號AQV251
BrandPanasonic
HK$50.97
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 173-8175
製造零件編號AQV251
BrandPanasonic
HK$42.593
毎管:50 個
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 171-8639
製造零件編號AQV252
BrandPanasonic
HK$42.87
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 173-8176
製造零件編號AQV252
BrandPanasonic
HK$40.39
毎管:50 個
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 373-1167
製造零件編號AQY-210EHA
BrandPanasonic
HK$15.00
單位
Surface Mount MOSFET 1.5V - 4 SMT DC - 50 mA 5 kVrms - - - -
RS庫存編號 373-1195
製造零件編號AQY272A
BrandPanasonic
HK$82.17
單位
Surface Mount MOSFET - - 4 PDIP DC - 50 mA 2.5 kVrms - - - -
RS庫存編號 373-1189
製造零件編號AQY272
BrandPanasonic
HK$101.69
單位
Through Hole MOSFET - - 4 DIP DC - 50 mA 2.5 kVrms - - - -
RS庫存編號 352-5467
製造零件編號AQY210EH
BrandPanasonic
HK$15.00
單位
Through Hole MOSFET 1.5V - 4 DIP DC - 50 mA 5 kVrms - - - -
RS庫存編號 373-1202
製造零件編號AQY274
BrandPanasonic
HK$101.49
單位
Through Hole MOSFET 1.5V - 4 DIP DC - 50 mA 2.5 kVrms - - - -
RS庫存編號 171-8667
製造零件編號AQV254
BrandPanasonic
HK$47.10
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 373-1173
製造零件編號AQY414EHA
BrandPanasonic
HK$36.45
單位
Surface Mount MOSFET - - 4 PDIP DC - 50 mA 5 kVrms - - - -
RS庫存編號 173-8178
製造零件編號AQV254
BrandPanasonic
HK$42.593
毎管:50 個
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 171-8645
製造零件編號AQV253
BrandPanasonic
HK$39.88
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 173-8177
製造零件編號AQV253
BrandPanasonic
HK$38.59
毎管:50 個
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 2509652758
製造零件編號AQV214
BrandPanasonic
HK$51.09
單位
- - - - - - - - - - - - - -
RS庫存編號 2509652742
製造零件編號AQV212
BrandPanasonic
HK$51.09
單位
- - - - - - - - - - - - - -
RS庫存編號 2508355008
製造零件編號AQV258A
BrandPanasonic
HK$68.74
單位
- - - - - - - - - - - - - -