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 885-1275
製造零件編號TLP152(E(T
BrandToshiba
HK$7.425
/個 (每包:10個)
單位
Surface Mount Photo IC 1.8V 1 5 SO6 - 18ns 3 mA 3750 Vrms Yes - - 22ns
RS庫存編號 903-4263
製造零件編號HCPL0701
HK$16.656
/個 (每包:5個)
單位
Surface Mount Darlington Photodetector 1.7V 1 8 SOIC DC - 20 mA 2500 Vrms Yes 2600% - -
RS庫存編號 807-6544
製造零件編號H11AV1AM
HK$6.046
/個 (每包:25個)
單位
Through Hole Phototransistor 1.7V 1 6 MDIP DC 15µs 60 mA 7500 V ac - 300% - 15µs
RS庫存編號 171-2969
製造零件編號ISP815XSM
BrandIsocom
HK$2.48
毎管:100 個
單位
Surface Mount Photodarlington 1.4V 1 4 SMD - 60µs 50 (Forward) mA 3.75 kVrms, 5300 V Pk - 7500% 600% 53µs
RS庫存編號 168-9685
製造零件編號MOC3022
BrandLite-On
HK$3.172
毎管:65 個
單位
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS庫存編號 174-3666
製造零件編號HCPL-0731-500E
BrandBroadcom
HK$18.952
個 (在毎卷:1500)
單位
Surface Mount Photodarlington 1.75V 2 8 SO - - 40 mA 3750 Vrms Yes 2600% 500% -
RS庫存編號 693-5959
製造零件編號ACPL-847-300E
BrandBroadcom
HK$13.93
單位
Surface Mount Transistor 1.4V 4 16 PDIP DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS庫存編號 919-0880
製造零件編號SFH615A-4X017T
BrandVishay
HK$3.10
個 (在毎卷:1000)
單位
Through Hole Phototransistor 1.65V 1 4 SMD DC 4 μ 60 mA 5300 V ac - 320% 160% 15µs
RS庫存編號 186-4294
製造零件編號PS2811-4-A
HK$39.13
/個 (每包:5個)
單位
Surface Mount Phototransistor 1.4V 1 16 SSOP DC 4µs 5 mA 2.5 kVrms - 400% 100% 5µs
RS庫存編號 174-4169
製造零件編號HCPL-316J-500E
BrandBroadcom
HK$59.32
/個 (每包:2個)
單位
Surface Mount IGBT Gate Drive - 1 16 SO DC 0.1µs 400 mA 5000 Vrms Yes - - 0.1µs
全新
RS庫存編號 210-8052
製造零件編號140816143200
HK$1.90
個 (在毎卷:1500)
單位
Surface Mount - 1.4V 4 4 - DC - - - - - - -
RS庫存編號 178-7532
製造零件編號MOC3022SR2M
HK$2.627
個 (在毎卷:1000)
單位
Surface Mount Phototriac 1.5V 1 6 DIP AC - 60 mA 5.3 kVrms Yes - - -
RS庫存編號 174-4079
製造零件編號TLP2391(E(T
BrandToshiba
HK$4.161
/個 (每包:10個)
單位
Surface Mount Photo IC 1.65V 1 6 SO DC 3ns ±10 mA 3750 Vrms Yes - - 3ns
RS庫存編號 165-2900
製造零件編號VO617A-4X017T
BrandVishay
HK$2.266
個 (在毎卷:1000)
單位
Surface Mount Phototransistor 1.65V 1 4 SMD DC 4.6µs 60 mA 5.3 kVrms - 320% - 15µs
RS庫存編號 146-0718
製造零件編號PC357N1J000F
BrandSharp
HK$2.091
個 (在毎卷:3000)
單位
Surface Mount Transistor 1.4V 1 4 Mini-Flat AC 4µs 50 mA 3.75 kV Yes 600% 50% 3µs
RS庫存編號 830-3439
製造零件編號PVG612ASPBF
BrandInfineon
HK$89.90
單位
Surface Mount MOSFET - 1 6 DIP AC, DC 3.5ms 25 mA 4000 Vrms - - - 0.5ms
RS庫存編號 174-4143
製造零件編號HCPL-063L-500E
BrandBroadcom
HK$40.985
/個 (每包:2個)
單位
Surface Mount Transistor 1.8V 2 8 SO AC/DC 45ns 15 mA 3750 Vrms Yes - - 20ns
全新
RS庫存編號 210-8021
製造零件編號140816140110
HK$2.302
/個 (每包:50個)
單位
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
全新
RS庫存編號 215-5733
製造零件編號ACPL-W341-500E
BrandBroadcom
HK$13.099
個 (在毎卷:1000)
單位
Surface Mount IGBT Gate Drive 1.95V 1 6 SO DC - - - - - - -
RS庫存編號 189-0796
製造零件編號RV1S9060ACCSP-10YC#SC0
HK$13.658
Each (In a Tray of 20)
單位
Surface Mount CMOS 1.7V 1 5 - - 5ns 6 mA 5 kVrms Yes - - 5ns