PC123 optocoupler

The PC123 optocoupler is an optically coupled isolator featuring a GaAs infrared LED and an NPN silicon phototransistor. This device provides electrical isolation between input and output, making it suitable for applications requiring signal isolation and level shifting. The PC123 optocoupler is designed for use in industrial control systems, telecommunications, and consumer electronics.

Key Features:

• Compact 4-pin DIP package
• High input-to-output isolation voltage: 5000 Vrms
• Low input current requirement
• High current transfer ratio (CTR)
• Wide operating temperature range
• RoHS compliant

Technical Specifications:

• Package Type: 4-pin DIP
• Isolation Voltage: 5000 Vrms
• Forward Voltage (VF): 1.2 V (Typical)
• Reverse Voltage (VR): 6 V
• Continuous Forward Current (IF): 50 mA (Maximum)
• Peak Forward Current (IFP): 1 A (Maximum, 1 µs pulse)
• Power Dissipation (PD): 70 mW (Maximum)
• Collector-Emitter Voltage (VCEO): 80 V
• Emitter-Collector Voltage (VECO): 6 V
• Collector Current (IC): 50 mA (Maximum)
• Power Dissipation (PC): 150 mW (Maximum)
• Current Transfer Ratio (CTR): 50% to 600%
• Operating Temperature Range (TOPR): -30°C to +100°C
• Storage Temperature Range (TSTG): -55°C to +125°C
• Soldering Temperature (TSOL): 260°C for 10 seconds

Applications:

• Industrial Control Systems: Provides isolation in control circuits for safe and reliable operation.
• Telecommunications: Used in communication devices for signal isolation and level shifting.
• Consumer Electronics: Ensures safe signal transmission in electronic appliances.
• Power Supplies: Provides isolation between control and power sections in power supply circuits.
• Microprocessor Interfacing: Isolates microprocessor input and output signals to prevent interference.
• Signal Isolation: Suitable for isolating sensitive signals in various electronic applications.

Datasheet: For detailed technical information, refer to the PC123 datasheet.