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 166-2444
製造零件編號MOC3083M
TWD11
個 (以毎袋:1000)
單位
Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7.5 kVrms - - - -
RS庫存編號 177-4798
製造零件編號TLP251(F)
BrandToshiba
TWD36
毎管:20 個
單位
- - - - - - - - - - - - - -
RS庫存編號 178-3154
製造零件編號HCPL-4503-000E
BrandBroadcom
TWD42
毎管:50 個
單位
Through Hole Transistor 1.7V 1 8 PDIP DC - 25 mA 3.75 kVrms Yes 50% 19 % -
RS庫存編號 885-1266
製造零件編號TLP352F(D4,F)
BrandToshiba
TWD40
/個 (每包:5個)
單位
Through Hole Photo IC 1.7V 1 8 DIP - 15ns 3 mA 3750 Vrms Yes - - 8ns
RS庫存編號 453-0959
製造零件編號IS452
BrandIsocom
TWD20
/個 (每包:10個)
單位
Surface Mount Darlington 1.4V 1 4 PDIP DC 4µs 50 mA 3.75 kVrms - - 1000 % 3µs
RS庫存編號 917-5532
製造零件編號MOCD217M
TWD15
/個 (每包:10個)
單位
Surface Mount Phototransistor 1.3V 2 8 SOIC DC 3.2µs 200 mA 2500 V ac Yes 100% - 4.7µs
RS庫存編號 373-1167
製造零件編號AQY-210EHA
BrandPanasonic
TWD61
單位
Surface Mount MOSFET 1.5V - 4 SMT DC - 50 mA 5 kVrms - - - -
RS庫存編號 818-8344
製造零件編號HCPL-3150-300E
BrandBroadcom
TWD91
/個 (每包:2個)
單位
Surface Mount IGBT Gate Drive 1.95V 1 8 DIP DC 0.1µs 16 mA 3750 Vrms Yes - - 0.1µs
RS庫存編號 826-4684
製造零件編號PC357NJ0000F
BrandSharp
TWD11
/個 (每包:40個)
單位
- - 1.4V - - - - - 50 mA 3.75 kV - - - -
RS庫存編號 691-2259
製造零件編號MOC3020
BrandLite-On
TWD16
/個 (每包:5個)
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 761-4530
製造零件編號MOCD217R2M
TWD23
/個 (每包:5個)
單位
Surface Mount Transistor 1.3V 2 8 SOIC DC 3.2µs 60 mA 2500 V ac - 130% 100 % 4.7µs
RS庫存編號 922-4810
製造零件編號HCPL-3120-000E
BrandBroadcom
TWD94
/個 (每包:5個)
單位
- - 1.8V - - - - - 16 mA 3750 Vrms - - - -
RS庫存編號 691-2306
製造零件編號MOC3063
BrandLite-On
TWD14
/個 (每包:5個)
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 166-2235
製造零件編號HCPL2611
TWD30
個 (以毎袋:1000)
單位
Through Hole Photodetector 1.8V 1 8 PDIP DC 50ns 50 mA 2.5 kVrms Yes - - 12ns
RS庫存編號 708-5405
製造零件編號ILQ621GB
BrandVishay
TWD95
/個 (每包:5個)
單位
Through Hole Transistor 1.3V 4 16 PDIP DC 2.8µs 60 mA 5300 V ac - 600% 100 % 11µs
RS庫存編號 708-5364
製造零件編號IL300
BrandVishay
TWD118
/個 (每包:5個)
單位
Through Hole Photodiode 1.5V 1 8 PDIP DC 1.75µs 60 mA 5300 V ac - - - 1.75µs
RS庫存編號 761-3640
製造零件編號HCPL2731
TWD68
/個 (每包:2個)
單位
Through Hole Transistor 1.75V 2 8 MDIP DC 22µs 20 mA 2500 V ac Yes 2000% - 3µs
RS庫存編號 922-5633
製造零件編號HCPL-3120-300E
BrandBroadcom
TWD64
毎管:50 個
單位
Surface Mount Transistor 1.8V 1 8 DIP DC 0.1µs 16 mA 3750 V ac Yes - - 0.1µs
RS庫存編號 145-4326
製造零件編號FODM8061
TWD24
毎管:100 個
單位
Surface Mount Logic Gate 1.8V - 5 SO DC 20ns 50 mA 3.75 kVrms Yes - - 10ns
RS庫存編號 168-9696
製造零件編號6N138-L
BrandLite-On
TWD31
毎管:50 個
單位
Through Hole Phototransistor 1.7V 1 8 DIP DC - 20 mA 5 kVrms Yes 2600% 2000 % -