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 178-4821
製造零件編號MOCD217M
TWD15.90
毎管:100 個
單位
Surface Mount Phototransistor 1.3V 2 8 SOIC DC 3.2µs 200 mA 2.5 kVrms Yes 100% - 4.7µs
RS庫存編號 761-3640
製造零件編號HCPL2731
TWD69.50
/個 (每包:2個)
單位
Through Hole Transistor 1.75V 2 8 MDIP DC 22µs 20 mA 2500 V ac Yes 2000% - 3µs
RS庫存編號 145-4326
製造零件編號FODM8061
TWD36.00
毎管:100 個
單位
Surface Mount Logic Gate 1.8V - 5 SO DC 20ns 50 mA 3.75 kVrms Yes - - 10ns
RS庫存編號 903-4276
製造零件編號HCPL2611
TWD62.20
/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 178-7558
製造零件編號MOCD217R2M
TWD10.90
個 (在毎卷:2500)
單位
Surface Mount Transistor 1.3V 2 8 SOIC DC 3.2µs 60 mA 2.5 kVrms - 130% 100 % 4.7µs
RS庫存編號 166-2235
製造零件編號HCPL2611
TWD30.60
個 (以毎袋:1000)
單位
Through Hole Photodetector 1.8V 1 8 PDIP DC 50ns 50 mA 2.5 kVrms Yes - - 12ns
RS庫存編號 885-1250
製造零件編號TLP151A(E(O
BrandToshiba
TWD54.40
/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 178-3205
製造零件編號HCPL-3120-000E
BrandBroadcom
TWD72.30
毎管:50 個
單位
- - - - - - - - - - - - - -
RS庫存編號 708-5364
製造零件編號IL300
BrandVishay
TWD155.80
/個 (每包:5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 168-9681
製造零件編號MOC3020
BrandLite-On
TWD14.30
毎管:65 個
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 917-5532
製造零件編號MOCD217M
TWD24.60
/個 (每包:10個)
單位
Surface Mount Phototransistor 1.3V 2 8 SOIC DC 3.2µs 200 mA 2500 V ac Yes 100% - 4.7µs
RS庫存編號 922-5633
製造零件編號HCPL-3120-300E
BrandBroadcom
TWD74.00
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
RS庫存編號 166-3243
製造零件編號FODM8061R2
TWD25.50
個 (在毎卷:2500)
單位
Surface Mount Schottky-Clamped Transistor 1.8V 1 5 Mini-Flat DC 20ns 50 mA 3.75 kVrms Yes - - 10ns
RS庫存編號 818-8344
製造零件編號HCPL-3150-300E
BrandBroadcom
TWD93.00
/個 (每包:2個)
單位
Surface Mount IGBT Gate Drive 1.95V 1 8 DIP DC 0.1µs 16 mA 3750 Vrms Yes - - 0.1µs
RS庫存編號 739-4983
製造零件編號FODM8061
TWD53.00
單位
Surface Mount Logic Gate 1.8V - 5 SO DC 20ns 50 mA 3750 V ac Yes - - 10ns
RS庫存編號 178-3183
製造零件編號HCPL-3150-300E
BrandBroadcom
TWD66.00
毎管:50 個
單位
- - - - - - - - - - - - - -
RS庫存編號 922-4810
製造零件編號HCPL-3120-000E
BrandBroadcom
TWD102.20
/個 (每包:5個)
單位
- - 1.8V - - - - - 16 mA 3750 Vrms - - - -
RS庫存編號 761-4530
製造零件編號MOCD217R2M
TWD28.20
/個 (每包:5個)
單位
Surface Mount Transistor 1.3V 2 8 SOIC DC 3.2µs 60 mA 2500 V ac - 130% 100 % 4.7µs
RS庫存編號 173-2647
製造零件編號LTV-356T
BrandLite-On
TWD4.20
個 (在毎卷:3000)
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 178-4827
製造零件編號H11L1M
TWD11.40
個 (以毎袋:1000)
單位
Through Hole Logic Gate 1.5V - 6 DIP DC 0.1µs 60 mA 7.5 kVrms Yes - - 0.1µs