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 922-5668
製造零件編號HCPL-7721-000E
BrandBroadcom
TWD155.60
毎管:50 個
單位
Through Hole Transistor 6.5V - 8 DIP DC 9ns 10 μA 3750 V ac Yes - - 8ns
RS庫存編號 796-5207
製造零件編號TLP109
BrandToshiba
TWD29.00
/個 (每包:5個)
單位
Surface Mount Transistor 1.85V 1 5 SOIC - - - 3750 Vrms - 20% - -
RS庫存編號 547-3879
製造零件編號HCPL-2531-000E
BrandBroadcom
TWD87.00
單位
Through Hole Transistor 1.7V 2 8 PDIP DC - 25 mA 5 kVrms Yes 50% 19 % -
RS庫存編號 453-7512
製造零件編號PS2501-4
TWD79.00
單位
Through Hole Transistor 1.4V 4 16 PDIP DC 3µs 80 mA 5000 Vrms - 600% 80 % 5µs
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 693-5274
製造零件編號HCPL-2631-300E
BrandBroadcom
TWD123.00
單位
Surface Mount Transistor 1.75V 2 8 DIP DC 24ns 20 mA 3.75 kVrms Yes 70% 70 % 10ns
RS庫存編號 178-3156
製造零件編號HCPL-2531-000E
BrandBroadcom
TWD56.60
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 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 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 671-2768
製造零件編號MOCD207R2M
TWD26.80
/個 (每包:5個)
單位
Surface Mount Transistor 1.55V 2 8 SOIC DC 1.6µs 60 mA 2.5 kVrms - 200% 100 % 2.2µs
RS庫存編號 699-8177
製造零件編號CNY74-2H
BrandVishay
TWD23.90
/個 (每包:10個)
單位
Through Hole Transistor 1.6V 2 8 PDIP DC 3µs 60 mA 5300 V ac - 600% 50 % 4.7µs
RS庫存編號 671-1393
製造零件編號H11L1M
TWD24.20
/個 (每包:5個)
單位
Through Hole Logic Gate 1.5V - 6 DIP DC 0.1µs 60 mA 7.5 kVrms Yes - - 0.1µs
RS庫存編號 178-3149
製造零件編號HCPL-7860-000E
BrandBroadcom
TWD174.10
毎管:50 個
單位
Through Hole Transistor 0.2V - 8 DIP DC - 15 mA 3.75 kVrms Yes - - -
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 169-8133
製造零件編號KPC357NT0B
BrandCosmo
TWD7.50
個 (在毎卷:3000)
單位
Surface Mount Transistor 1.4V - 4 DIP - 5µs 50 mA 3.75 kVrms - 260% 130 % 4µs
RS庫存編號 168-7593
製造零件編號TLP3043(S,C,F)
BrandToshiba
TWD15.30
毎管:50 個
單位
Through Hole Triac 1.3V 1 5 PDIP DC - 50 mA 5 kVrms - - - -
RS庫存編號 145-1761
製造零件編號CNY74-2H
BrandVishay
TWD11.20
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 671-1456
製造零件編號MOCD207M
TWD22.40
/個 (每包:5個)
單位
Surface Mount Transistor 1.55V 2 8 SOIC DC 1.6µs 60 mA 2.5 kVrms - 200% 100 % 2.2µs
RS庫存編號 708-5382
製造零件編號ILQ1
BrandVishay
TWD91.20
/個 (每包:5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 919-0105
製造零件編號ILQ1
BrandVishay
TWD50.30
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