P40-G240-WHX

Overview

The Bourns P40-G240-WHX is a board-mounted surge protection device (SPD) designed for transient voltage suppression. It features a maximum continuous operating voltage of 40V and a rated impulse current (Iimp) of 240A. The component utilizes a self-resetting mechanism to restore circuit functionality after a surge event without requiring manual replacement. It is engineered to protect sensitive electronic circuits from high-energy transients, offering reliable performance in applications where space constraints require compact surface-mount solutions.

Feature Summary

• Self-resetting operation restores circuit continuity after transient events
• Compact board-mounted form factor suitable for space-constrained designs
• Engineered for high-energy impulse current handling

Applications

• Protection of sensitive data lines in communication equipment
• Surge suppression for low-voltage industrial control systems
• Transient protection in automotive electronics modules

Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm material composition and termination specifications. Ensure the selected variant matches the required voltage and current ratings for the specific application environment. Cross-reference the component marking with the official documentation to prevent counterfeit substitution.

Selection Notes

Select this component based on the 40V operating limit and 240A impulse rating requirements. Evaluate the available footprint against the PCB layout constraints. Confirm that the self-resetting characteristic aligns with the system's maintenance strategy and fault recovery protocols compared to one-time fusing alternatives.

Part Context

This part belongs to Bourns' lineup of transient voltage suppressors. It serves as a protective element within larger electronic assemblies, distinguishing itself through its ability to withstand significant impulse currents while maintaining a small physical profile. It complements other protection devices by providing targeted clamping for specific voltage levels.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.