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 885-1266
製造零件編號TLP352F(D4,F)
BrandToshiba
TWD39.60
/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
TWD20.30
/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 671-1444
製造零件編號MOC3062M
TWD28.00
/個 (每包:5個)
單位
Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS庫存編號 739-0256
製造零件編號MOC3083M
TWD25.80
/個 (每包:5個)
單位
Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7500 V ac - - - -
RS庫存編號 186-139
製造零件編號TLP559(F)
BrandToshiba
TWD111.00
單位
Through Hole Phototransistor 1.85V 1 8 PDIP DC - 25 mA 2.5 kVrms Yes 40% 20 % -
RS庫存編號 168-9696
製造零件編號6N138-L
BrandLite-On
TWD31.10
毎管:50 個
單位
Through Hole Phototransistor 1.7V 1 8 DIP DC - 20 mA 5 kVrms Yes 2600% 2000 % -
RS庫存編號 919-0127
製造零件編號ILQ621GB
BrandVishay
TWD65.50
毎管:25 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 708-5405
製造零件編號ILQ621GB
BrandVishay
TWD95.20
/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 178-3205
製造零件編號HCPL-3120-000E
BrandBroadcom
TWD62.40
毎管:50 個
單位
- - - - - - - - - - - - - -
RS庫存編號 691-2306
製造零件編號MOC3063
BrandLite-On
TWD14.40
/個 (每包:5個)
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 903-4276
製造零件編號HCPL2611
TWD47.00
/個 (每包:5個)
單位
Through Hole Photodetector 1.8V 1 8 PDIP DC 50ns 50 mA 2.5 kVrms Yes - - 12ns
RS庫存編號 922-5860
製造零件編號HCPL-7800-000E
BrandBroadcom
TWD265.80
毎管:50 個
單位
Through Hole Transistor - 1 8 PDIP - 4.3µs - 3750 V ac Yes - - -
RS庫存編號 691-2328
製造零件編號6N138-L
BrandLite-On
TWD33.20
/個 (每包:5個)
單位
Through Hole Phototransistor 1.7V 1 8 DIP DC - 20 mA 5 kVrms Yes 2600% 2000 % -
RS庫存編號 922-4810
製造零件編號HCPL-3120-000E
BrandBroadcom
TWD94.40
/個 (每包:5個)
單位
- - 1.8V - - - - - 16 mA 3750 Vrms - - - -
RS庫存編號 547-4197
製造零件編號HCPL-7800-000E
BrandBroadcom
TWD311.00
單位
Through Hole Transistor - 1 8 PDIP - 4.3µs - 3.75 kVrms Yes - - -
RS庫存編號 168-9692
製造零件編號MOC3063
BrandLite-On
TWD12.70
毎管:65 個
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 919-0092
製造零件編號IL300
BrandVishay
TWD69.40
毎管:50 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 166-1706
製造零件編號HCPL2731
TWD33.10
個 (以毎袋:1000)
單位
Through Hole Transistor 1.75V 2 8 MDIP DC 22µs 20 mA 2.5 kVrms Yes 2000% - 3µs
RS庫存編號 885-1250
製造零件編號TLP151A(E(O
BrandToshiba
TWD29.60
/個 (每包:10個)
單位
Surface Mount Photo IC 1.7V 1 5 SO6 - 50ns 25 mA 3750 Vrms Yes - - 50ns
RS庫存編號 922-5633
製造零件編號HCPL-3120-300E
BrandBroadcom
TWD63.90
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