The CPDU3V3UP-HF is a Transient Voltage Suppressor (TVS) diode manufactured by Comchip Technology. It's designed to protect sensitive electronic components from voltage surges and electrostatic discharge (ESD). This device offers fast response time, low clamping voltage, and high surge capability, ensuring reliable protection against transient events.

Applications

• USB Ports: Protects USB data lines from ESD and voltage surges caused by plugging and unplugging devices.
• HDMI Ports: Safeguards HDMI interfaces from ESD strikes that can damage sensitive ICs.
• Ethernet Ports: Protects Ethernet data lines from voltage surges induced by lightning or power line disturbances.
• Power Supplies: Provides overvoltage protection for power supply circuits, preventing damage to downstream components.
• Microcontroller Inputs/Outputs: Protects microcontroller I/O pins from ESD and voltage transients.

Features

• Low Clamping Voltage: Minimizes voltage overshoot during transient events, protecting sensitive components.
• Fast Response Time: Quickly clamps transient voltages to prevent damage.
• High Surge Capability: Withstands high surge currents without degradation.
• Lead-Free Finish: Complies with RoHS environmental regulations.
• Small Package Size: Allows for compact circuit designs.

Benefits

• Enhanced System Reliability: Protects against ESD and voltage surges, increasing the overall reliability of the electronic system.
• Reduced Downtime: Prevents damage to sensitive components, minimizing downtime and repair costs.
• Improved Product Safety: Ensures safe operation by protecting against voltage hazards.
• Compliance with Industry Standards: Meets RoHS environmental regulations and other industry standards.
• Cost-Effective Protection: Provides a cost-effective solution for protecting electronic components from transient events.

Technical Specifications (Typical)

• Reverse Stand-Off Voltage (VRWM): 3.3V
• Breakdown Voltage (VBR): 4.0V to 4.8V
• Clamping Voltage (VC): Typically 7.0V at Ipp = 1A
• Peak Pulse Current (Ipp): Typically 5A (8/20µs pulse)
• Operating Temperature Range: -55°C to +125°C

The CPDU3V3UP-HF TVS diode provides robust protection against ESD and voltage surges in various electronic applications. Its low clamping voltage, fast response time, and high surge capability ensure reliable performance and enhance the overall reliability of the protected system. The small package size and lead-free finish make it suitable for modern, environmentally conscious designs.