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 922-5728
製造零件編號HCPL-0720-000E
BrandBroadcom
TWD116
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 168-9689
製造零件編號MOC3052
BrandLite-On
TWD13
毎管:65 個
單位
Through Hole Triac 1.4V 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 178-4704
製造零件編號H11N1M
TWD92
個 (以毎袋:1000)
單位
Through Hole Schmitt Trigger 2V 1 6 DIP DC 7.5ns 30 mA 7.5 kVrms Yes - - 12ns
RS庫存編號 839-9995
製造零件編號HCPL-2211-000E
BrandBroadcom
TWD78
/個 (每包:2個)
單位
Through Hole Logic Gate 1.85V 1 8 DIP - 30ns 230 mA 3750 Vrms Yes - - 7ns
RS庫存編號 178-3197
製造零件編號HCPL-2211-000E
BrandBroadcom
TWD79
毎管:50 個
單位
Through Hole Logic Gate 1.85V 1 8 DIP - 30ns 230 mA 3.75 kVrms Yes - - 7ns
RS庫存編號 919-0105
製造零件編號ILQ1
BrandVishay
TWD50
毎管:25 個
單位
Through Hole Transistor 1.65V 4 16 PDIP DC 1.9µs 60 mA 5300 V ac - 300% 20 % 1.4µs
RS庫存編號 281-5422
製造零件編號HCPL-7860-000E
BrandBroadcom
TWD192
單位
Through Hole Transistor 0.2V - 8 DIP DC - 15 mA 3.75 kVrms Yes - - -
RS庫存編號 693-5252
製造零件編號CNY17-3-300E
BrandBroadcom
TWD10
/個 (每包:10個)
單位
Surface Mount Transistor 1.7V 1 6 PDIP DC 5µs 60 mA 5 kVrms - 200% 100 % 5µs
RS庫存編號 547-3756
製造零件編號HCPL-0600-000E
BrandBroadcom
TWD66
單位
Through Hole Transistor 1.75V 1 8 SOIC DC 24ns 20 mA 3.75 kVrms Yes - - 10ns
RS庫存編號 708-5281
製造零件編號4N32
BrandVishay
TWD13
/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 168-7807
製造零件編號TLP109
BrandToshiba
TWD23
毎管:125 個
單位
Surface Mount Transistor 1.85V 1 5 SOIC - - - 3.75 kVrms - 20% - -
RS庫存編號 178-3156
製造零件編號HCPL-2531-000E
BrandBroadcom
TWD57
毎管:50 個
單位
Through Hole Transistor 1.7V 2 8 PDIP DC - 25 mA 5 kVrms Yes 50% 19 % -
RS庫存編號 922-6428
製造零件編號HCPL-0466-000E
BrandBroadcom
TWD59
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 919-0067
製造零件編號4N32
BrandVishay
TWD10
毎管:50 個
單位
Through Hole Darlington 1.5V 1 6 PDIP DC - 60 mA 5300 V ac - - 500 % -
RS庫存編號 168-7823
製造零件編號TLP291(GB
BrandToshiba
TWD4
Each (On a Tape of 175)
單位
Surface Mount Transistor 1.4V 1 4 SO4 DC 4µs 50 mA 3.75 kVrms - 400% - 7µs
RS庫存編號 922-6585
製造零件編號HCPL-2631-300E
BrandBroadcom
TWD87
毎管:50 個
單位
Surface Mount Transistor 1.75V 2 8 DIP DC 24ns 20 mA 3750 V ac Yes 70% 70 % 10ns
RS庫存編號 885-1045
製造零件編號TLP293-4(GB,E(T
BrandToshiba
TWD26
/個 (每包:10個)
單位
Surface Mount Phototransistor 1.4V 1 16 SOIC DC 2µs 50 mA 3.75 kVrms - 600% - 3µs
RS庫存編號 124-1744
製造零件編號MOCD207R2M
TWD12
個 (在毎卷:2500)
單位
Surface Mount Transistor 1.55V 2 8 SOIC DC 1.6µs 60 mA 2500 V ac - 200% 100 % 2.2µs
RS庫存編號 769-0281
製造零件編號TLP3043(S,C,F)
BrandToshiba
TWD19
/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 450-874
製造零件編號HCPL-7710-300E
BrandBroadcom
TWD173
單位
Surface Mount Transistor 6.5V - 8 DIP DC 9ns 10 mA 3.75 kVrms Yes - - 8ns