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 885-0960
製造零件編號TLP291(GB,SE(T
BrandToshiba
TWD4.20
/個 (每包:50個)
單位
Surface Mount Phototransistor 1.4V 1 4 SO4 DC 4µs 50 mA 3750 Vrms - 400% - 7µs
RS庫存編號 450-878
製造零件編號HCPL-7721-000E
BrandBroadcom
TWD208.00
單位
Through Hole Transistor 6.5V - 8 DIP DC 9ns 10 μA 3.75 kVrms Yes - - 8ns
RS庫存編號 168-9689
製造零件編號MOC3052
BrandLite-On
TWD16.30
毎管:65 個
單位
Through Hole Triac 1.4V 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 796-5207
製造零件編號TLP109
BrandToshiba
TWD39.00
/個 (每包:5個)
單位
Surface Mount Transistor 1.85V 1 5 SOIC - - - 3750 Vrms - 20% - -
RS庫存編號 691-2079
製造零件編號LTV-356T
BrandLite-On
TWD7.30
/個 (每包:10個)
單位
Surface Mount Transistor 1.4V 1 4 Mini-Flat DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS庫存編號 145-1761
製造零件編號CNY74-2H
BrandVishay
TWD23.40
毎管:50 個
單位
Through Hole Transistor 1.6V 2 8 PDIP DC 3µs 60 mA 5.3 kVrms - 600% 50 % 4.7µs
RS庫存編號 281-5422
製造零件編號HCPL-7860-000E
BrandBroadcom
TWD211.00
單位
Through Hole Transistor 0.2V - 8 DIP DC - 15 mA 3.75 kVrms Yes - - -
RS庫存編號 708-5281
製造零件編號4N32
BrandVishay
TWD13.70
/個 (每包:10個)
單位
Through Hole Darlington 1.5V 1 6 PDIP DC - 60 mA 5300 V ac - - 500 % -
RS庫存編號 922-5659
製造零件編號HCPL-7710-300E
BrandBroadcom
TWD127.20
毎管:50 個
單位
Surface Mount Transistor 6.5V - 8 DIP DC 9ns 10 mA 3750 V ac Yes - - 8ns
RS庫存編號 761-3647
製造零件編號H11N1M
TWD163.50
/個 (每包:2個)
單位
Through Hole Schmitt Trigger 2V 1 6 DIP DC 7.5ns 30 mA 7500 V Yes - - 12ns
RS庫存編號 496-5440
製造零件編號HCPL-0720-000E
BrandBroadcom
TWD186.00
單位
Surface Mount Transistor 6.5V - 8 SOIC DC 9ns 10 μA 3.75 kVrms Yes - - 8ns
RS庫存編號 547-3756
製造零件編號HCPL-0600-000E
BrandBroadcom
TWD66.00
單位
Through Hole Transistor 1.75V 1 8 SOIC DC 24ns 20 mA 3.75 kVrms Yes - - 10ns
RS庫存編號 166-2131
製造零件編號TIL117M
TWD7.20
個 (以毎袋:1000)
單位
Through Hole Phototransistor 1.4V 1 6 MDIP DC 2µs 3 A 7.5 kVrms - 50% - 2µs
RS庫存編號 450-874
製造零件編號HCPL-7710-300E
BrandBroadcom
TWD173.00
單位
Surface Mount Transistor 6.5V - 8 DIP DC 9ns 10 mA 3.75 kVrms Yes - - 8ns
RS庫存編號 769-0281
製造零件編號TLP3043(S,C,F)
BrandToshiba
TWD19.00
/個 (每包:5個)
單位
Through Hole Triac 1.3V 1 5 PDIP DC - 50 mA 5000 Vrms - - - -
RS庫存編號 796-5279
製造零件編號TLP291(GB
BrandToshiba
TWD7.00
/個 (每包:20個)
單位
Surface Mount Transistor 1.4V 1 4 SO4 DC 4µs 50 mA 3.75 kVrms - 400% - 7µs
RS庫存編號 803-0775
製造零件編號HCPL-0466-000E
BrandBroadcom
TWD95.00
/個 (每包:2個)
單位
Surface Mount - 1.8V 1 8 SOIC DC - 25 mA 3750 Vrms Yes 90% - -
RS庫存編號 922-5728
製造零件編號HCPL-0720-000E
BrandBroadcom
TWD116.30
毎管:100 個
單位
Surface Mount Transistor 6.5V - 8 SOIC DC 9ns 10 μA 3750 V ac Yes - - 8ns
RS庫存編號 922-6428
製造零件編號HCPL-0466-000E
BrandBroadcom
TWD58.70
毎管:100 個
單位
Surface Mount - 1.8V 1 8 SOIC DC - 25 mA 3750 Vrms Yes 90% - -
RS庫存編號 922-6573
製造零件編號CNY17-3-300E
BrandBroadcom
TWD10.80
毎管:65 個
單位
Surface Mount Transistor 1.7V 1 6 PDIP DC 5µs 60 mA 5000 V ac - 200% 100 % 5µs