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
/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 922-5668
製造零件編號HCPL-7721-000E
BrandBroadcom
TWD156
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 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 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 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 761-3647
製造零件編號H11N1M
TWD164
/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 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 922-5788
製造零件編號HCPL-2611-000E
BrandBroadcom
TWD63
毎管:50 個
單位
Through Hole Transistor 1.75V 1 8 DIP DC 24ns 20 mA 3750 V ac Yes - - 10ns
RS庫存編號 145-1761
製造零件編號CNY74-2H
BrandVishay
TWD11
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 922-5778
製造零件編號HCPL-0600-000E
BrandBroadcom
TWD31
毎管:100 個
單位
Through Hole Transistor 1.75V 1 8 SOIC DC 24ns 20 mA 3750 V ac Yes - - 10ns
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 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 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 691-2079
製造零件編號LTV-356T
BrandLite-On
TWD7
/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 496-5440
製造零件編號HCPL-0720-000E
BrandBroadcom
TWD136
單位
Surface Mount Transistor 6.5V - 8 SOIC DC 9ns 10 μA 3.75 kVrms Yes - - 8ns
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 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 173-2647
製造零件編號LTV-356T
BrandLite-On
TWD4
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 168-7593
製造零件編號TLP3043(S,C,F)
BrandToshiba
TWD15
毎管:50 個
單位
Through Hole Triac 1.3V 1 5 PDIP DC - 50 mA 5 kVrms - - - -
RS庫存編號 693-5274
製造零件編號HCPL-2631-300E
BrandBroadcom
TWD123
單位
Surface Mount Transistor 1.75V 2 8 DIP DC 24ns 20 mA 3.75 kVrms Yes 70% 70 % 10ns