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 173-8175
製造零件編號AQV251
BrandPanasonic
TWD169.00
毎管:50 個
單位
Through Hole MOSFET - - 6 DIP DC - 50 mA 1.5 kVrms - - - -
RS庫存編號 165-2586
製造零件編號SFH6156-3T
BrandVishay
TWD8.40
個 (在毎卷:1000)
單位
Surface Mount Transistor 1.65V 1 4 SMD DC 3µs 60 mA 5.3 kVrms - 200% 100 % 14µs
RS庫存編號 699-8225
製造零件編號SFH6156-3T
BrandVishay
TWD19.80
/個 (每包:10個)
單位
Surface Mount Transistor 1.65V 1 4 SMD DC 3µs 60 mA 5300 V ac - 200% 100 % 14µs
RS庫存編號 885-1253
製造零件編號TLP352(D4,F)
BrandToshiba
TWD41.40
/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 761-3375
製造零件編號HCPL2631
TWD69.50
/個 (每包:2個)
單位
Through Hole Logic Gate 1.75V 2 8 MDIP DC 50ns 30 mA 2500 V ac Yes - - 12ns
RS庫存編號 124-1346
製造零件編號HCPL2631
TWD51.30
毎管:50 個
單位
Through Hole Logic Gate 1.75V 2 8 MDIP DC 50ns 30 mA 2500 V ac Yes - - 12ns
RS庫存編號 168-7796
製造零件編號TLP2766
BrandToshiba
TWD32.10
毎管:100 個
單位
Surface Mount Infrared LED 1.7V 1 6 SDIP AC 15ns 15 mA 5 kVrms Yes - - 15ns
RS庫存編號 547-3841
製造零件編號HCPL-2530-000E
BrandBroadcom
TWD80.00
單位
Through Hole Logic Gate 1.7V 2 8 PDIP DC - 25 mA 5 kVrms Yes 50% 7 % -
RS庫存編號 922-5797
製造零件編號HCPL-2530-000E
BrandBroadcom
TWD55.80
毎管:50 個
單位
Through Hole Logic Gate 1.7V 2 8 PDIP DC - 25 mA 5000 V ac Yes 50% 7 % -
RS庫存編號 796-5171
製造零件編號TLP2766
BrandToshiba
TWD38.80
/個 (每包:5個)
單位
Surface Mount Infrared LED 1.7V 1 6 SDIP AC 15ns 15 mA 5000 Vrms Yes - - 15ns
RS庫存編號 207-579
製造零件編號TLP222A-2(F)
BrandToshiba
TWD60.00
/個 (每包:5個)
單位
Through Hole MOSFET - - 8 PDIP DC - 50 mA 2.5 kVrms - - - -
RS庫存編號 178-3161
製造零件編號HCPL-7840-000E
BrandBroadcom
TWD157.60
毎管:50 個
單位
Through Hole Transistor - 1 8 PDIP - 3.4µs - 3.75 kVrms Yes - - -
RS庫存編號 547-4153
製造零件編號HCPL-7840-000E
BrandBroadcom
TWD192.00
單位
Through Hole Transistor - 1 8 PDIP - 3.4µs - 3.75 kVrms Yes - - -
RS庫存編號 178-3154
製造零件編號HCPL-4503-000E
BrandBroadcom
TWD41.50
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 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 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 547-3712
製造零件編號HCPL-4503-000E
BrandBroadcom
TWD64.00
單位
Through Hole Transistor 1.7V 1 8 PDIP DC - 25 mA 3.75 kVrms Yes 50% 19 % -
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 169-8548
製造零件編號MOC3062M
TWD12.20
個 (以毎袋:1000)
單位
Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS庫存編號 166-2444
製造零件編號MOC3083M
TWD11.00
個 (以毎袋:1000)
單位
Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7.5 kVrms - - - -