TLP521-4GB optocoupler

The TLP521-4GB is a quad-channel optocoupler consisting of four gallium arsenide infrared LEDs and four silicon NPN phototransistors in a single package. This device provides electrical isolation between input and output, making it ideal for applications requiring signal isolation and data transfer between different voltage potentials. The TLP521-4GB is commonly used in industrial and consumer electronic applications for safe and reliable signal transmission.

Key Features:

• Quad-channel optocoupler
• High input-to-output isolation voltage: 5000 Vrms
• Compact 16-pin DIP package
• Low input current requirement
• High current transfer ratio (CTR)
• Fast switching speed
• RoHS compliant

Technical Specifications:

• Package Type: DIP-16
• Isolation Voltage: 5000 Vrms
• Forward Voltage (VF): 1.2 V (Typical)
• Reverse Voltage (VR): 5 V
• Input Current (IF): 50 mA (Maximum)
• Collector-Emitter Voltage (VCEO): 55 V (Minimum)
• Emitter-Collector Voltage (VECO): 7 V (Minimum)
• Collector Current (IC): 50 mA (Maximum)
• Power Dissipation: 200 mW per channel
• Current Transfer Ratio (CTR): 50% – 600% @ IF = 5 mA, VCE = 5 V
• Rise Time (tr): 3 µs (Typical)
• Fall Time (tf): 2 µs (Typical)
• Operating Temperature Range: -55°C to +110°C

Applications:

• Power Supply Isolation: Provides isolation between the control and power sections of power supplies.
• Signal Isolation: Used in data communication systems for isolating input and output signals.
• Industrial Control Systems: Ideal for use in PLCs, motor controllers, and other industrial automation equipment.
• Consumer Electronics: Ensures safe signal transmission in appliances and electronic devices.
• Telecommunication Equipment: Used in isolating communication signals in telecom systems.
• Medical Equipment: Provides isolation in medical devices for patient and equipment safety.

Datasheet: For detailed technical information, refer to the TLP521-4GB datasheet.