SFH617A-3 optocoupler
The SFH617A-3 is an optocoupler device that integrates an infrared emitting diode and a phototransistor in a compact 4-pin DIP package. It is designed to provide electrical isolation and signal transmission between input and output circuits, particularly in applications requiring noise immunity and voltage isolation.
Key Features:
- Optically coupled isolator
- Infrared emitting diode (LED) and phototransistor
- High isolation voltage: 5,000 Vrms (minimum)
- Low input current requirement
- High current transfer ratio (CTR)
- Fast switching speed
- Low coupling capacitance
- RoHS compliant
- Package Type: 4-pin DIP
- Isolation Voltage: 5,000 Vrms (minimum)
- Forward Voltage (VF): Typically around 1.2V at 20mA forward current
- Collector-Emitter Voltage (VCEO): 30V
- Power Dissipation (PD): 200mW
- Operating Temperature Range (TOPR): -55°C to +100°C
- Storage Temperature Range (TSTG): -55°C to +125°C
- Soldering Temperature (TSOL): 260°C for 10 seconds
- Signal Isolation: Provides electrical isolation in control and communication systems.
- Voltage Level Shifting: Enables interfacing between circuits with different voltage potentials.
- Noise Immunity: Suppresses noise and interference in sensitive electronic circuits.
- Switching Power Supplies: Controls feedback signals and voltage regulation.
- Microcontroller Interface: Interfaces microcontrollers with high-voltage circuits safely.