RHE400

Ptc Resettable Fuses Overview

The Littelfuse RHE400 is a high-power silicon-controlled rectifier (SCR) module designed for robust industrial power control applications. This device features a hermetically sealed, press-pack construction optimized for high current handling and thermal management in demanding environments. It provides reliable switching capabilities with low on-state voltage drop to minimize conduction losses. The component is engineered for use in heavy-duty AC/DC conversion systems, motor drives, and resistive heating controls where high surge withstand capability and secure mechanical mounting are critical for long-term operational stability.

Ptc Resettable Fuses Feature Summary

• Hermetically sealed press-pack construction for superior environmental protection
• Optimized for high current handling and efficient thermal dissipation
• Low on-state voltage drop to reduce conduction losses
• Engineered for secure mechanical mounting in heavy-duty industrial systems

Ptc Resettable Fuses Applications

• Heavy-duty AC/DC conversion systems
• Industrial motor drives
• Resistive heating controls
• High-power rectifier bridges

Ptc Resettable Fuses Procurement Notes

Verify the specific datasheet revision and technical parameters against the manufacturer's official documentation before procurement. Confirm that the required gate trigger characteristics and thermal interface materials match your system design requirements. Ensure compliance with relevant industry safety standards and agency approvals listed in the official product specifications. Cross-reference the part number suffixes to confirm exact package dimensions and terminal configurations.

Ptc Resettable Fuses Selection Notes

Select the RHE400 when high current capacity and rugged mechanical reliability are prioritized over compact surface-mount solutions. Consider its press-pack form factor for applications requiring direct heatsink mounting and efficient heat transfer. Evaluate the thermal resistance and cooling requirements to ensure the junction temperature remains within safe operating limits under continuous load conditions.

Ptc Resettable Fuses Part Context

The RHE400 belongs to Littelfuse's portfolio of high-power SCR modules designed for industrial power electronics. These components serve as critical switching elements in systems requiring precise control of high-energy electrical loads. The module series supports various industrial sectors by providing durable solutions for power conversion and regulation tasks.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for compatible high-power SCR modules. Verify equivalent current ratings, blocking voltages, and thermal characteristics when considering alternative part numbers from the same or other manufacturers.