The UESD6V8L4B is a Transient Voltage Suppressor (TVS) diode manufactured by Union Semiconductor. It is designed to protect sensitive electronic components from electrostatic discharge (ESD) and other transient voltage events. This diode is commonly used in data lines, I/O ports, and power supplies to prevent damage caused by voltage surges.

Applications

• ESD protection for data lines
• Overvoltage protection for I/O ports
• Transient voltage suppression in power supplies
• Protection of sensitive electronic components
• Mobile phones, tablets, and other portable devices

Features

• Breakdown Voltage: Typically 6.8V
• Low Clamping Voltage: Minimizes stress on protected components during transient events.
• Fast Response Time: Quickly clamps voltage spikes, preventing damage.
• Low Capacitance: Ensures signal integrity in high-speed data lines.
• Small Package Size: Allows for high-density board designs.

Benefits

• Effective ESD Protection: Protects sensitive electronics from damage caused by electrostatic discharge.
• Improved System Reliability: Enhances the overall reliability of electronic systems.
• Minimal Signal Degradation: Low capacitance ensures signal integrity in high-speed applications.
• Compact Design: Enables the design of smaller and more efficient electronic devices.
• Cost-Effective Protection: Provides reliable protection at a low cost.

Technical Specifications

The UESD6V8L4B features a breakdown voltage around 6.8V. It boasts a fast response time to quickly clamp transient voltages. Its low capacitance makes it suitable for high-speed data lines. The datasheet provides detailed information on clamping voltage, surge current capability, and operating temperature range.

This TVS diode is commonly used in mobile phones to protect against ESD events during handling. It is also used in USB ports, HDMI ports, and other data interfaces to prevent damage from voltage surges. The UESD6V8L4B's fast response time, low capacitance, and compact size make it a preferred choice for various ESD protection applications.