The Littelfuse R429.250 is a radial leaded varistor designed for transient voltage suppression. It belongs to the R4 series, a line of varistors known for providing reliable overvoltage protection. This component is engineered to safeguard sensitive electronic devices from voltage surges caused by events like lightning strikes, inductive load switching, and electrostatic discharge (ESD). The radial leaded package facilitates easy mounting on printed circuit boards (PCBs), making it suitable for a wide range of applications.

Applications:

• Power supplies
• Consumer electronics
• Industrial equipment
• Telecommunication systems
• Surge protection devices

Features:

• High surge current capability
• Fast response time
• Wide operating voltage range
• RoHS compliant
• Radial leaded package

Benefits:

• Protects electronic components from overvoltage damage
• Enhances the reliability and lifespan of electronic devices
• Reduces downtime and maintenance costs
• Provides a cost-effective solution for overvoltage protection
• Easy to install

Additional Details:

The R429.250 varistor offers a voltage rating of 250V and is designed to handle significant surge currents. Its rapid response time ensures that voltage spikes are quickly clamped, protecting downstream components. The RoHS compliance indicates that the component meets environmental standards, restricting the use of hazardous substances.

For detailed specifications, including clamping voltage, maximum surge current, energy rating, and capacitance, refer to the official Littelfuse datasheet. Accurate specifications are essential for proper application and optimal performance within a circuit design. The radial leaded configuration simplifies installation and promotes efficient heat dissipation. This varistor is suitable for various applications where overvoltage protection is critical for ensuring the longevity and reliability of electronic equipment.