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 896-2524
製造零件編號TLP2368(E(T
BrandToshiba
HK$11.624
/個 (每包:5個)
單位
Surface Mount IC 1.7V 1 5 SO6 DC 30ns 25 mA 3750 Vrms - - - 30ns
全新
RS庫存編號 205-8681
製造零件編號ACNT-H511C-000E
BrandBroadcom
HK$43.015
/個 (每包:2個)
單位
Surface Mount - 1.7V 1 8 SO8 DC - - - - - - -
RS庫存編號 186-7312
製造零件編號MCT62SD
HK$3.09
個 (在毎卷:1000)
單位
Surface Mount Phototransistor 1.5V 2 8 SMT - 2.4µs 20 mA 5 kVrms - - 100% 2.4µs
RS庫存編號 186-4481
製造零件編號PS9513L3-AX
HK$39.07
/個 (每包:2個)
單位
Surface Mount Photodiode 2.1V 1 8 DIP - 520ns 10 mA 5 kVrms - - 44% 250ns
RS庫存編號 180-7061
製造零件編號VOL617A-1T
BrandVishay
HK$1.339
個 (在毎卷:3000)
單位
Surface Mount Phototransistor 1.5V 1 4 LSOP - 3.5µs 60 mA 5 kVrms - 800% 40% 5µs
RS庫存編號 896-2521
製造零件編號TLP240D(F(O
BrandToshiba
HK$17.21
/個 (每包:2個)
單位
Through Hole MOSFET 1.4V 1 4 DIP AC - 30 mA 5000 Vrms - - - -
RS庫存編號 127-8377
製造零件編號CNY17-1S-TA1
BrandLite-On
HK$2.225
/個 (每包:50個)
單位
Surface Mount Transistor 1.65V 1 6 PDIP DC 5µs 60 mA 5000 Vrms - 80% - 5µs
RS庫存編號 799-5321
製造零件編號TLP291(Y,SE(T
BrandToshiba
HK$1.451
/個 (每包:25個)
單位
Surface Mount Phototransistor 1.4V 1 4 SO4 DC 4µs 50 mA 3750 Vrms - 400% - 7µs
RS庫存編號 864-9076
製造零件編號FOD2741ATV
HK$11.103
/個 (每包:10個)
單位
Through Hole Phototransistor 1.5V 1 8 DIP DC - 20 mA 5000 Vrms - 200% - -
RS庫存編號 922-5769
製造零件編號HCPL-063N-000E
BrandBroadcom
HK$42.92
毎管:100 個
單位
Through Hole Transistor 1.75V 2 8 SOIC DC 24ns 20 mA 3750 V ac Yes - - 10ns
RS庫存編號 180-7200
製造零件編號VOM453T
BrandVishay
HK$10.043
/個 (每包:10個)
單位
Surface Mount Diode 1.8V 1 5 SOP DC - 25 mA 3.75 kVrms Yes 50% 15 %, 20 % -
RS庫存編號 2508662498
製造零件編號NSL-32SR3
HK$24.30
單位
- - - - - - - - - - - - - -
RS庫存編號 2508355008
製造零件編號AQV258A
BrandPanasonic
HK$68.74
單位
- - - - - - - - - - - - - -
RS庫存編號 2508958569
製造零件編號NTE3049
HK$48.02
單位
- - - - - - - - - - - - - -
RS庫存編號 2508643015
製造零件編號OAC5
BrandOpto 22
HK$232.12
單位
- - - - - - - - - - - - - -
RS庫存編號 2509652742
製造零件編號AQV212
BrandPanasonic
HK$51.09
單位
- - - - - - - - - - - - - -