IEWS20R5135IPBXKLA1

Overview

The IEWS20R5135IPBXKLA1 is a discrete power MOSFET from Infineon's OptiMOS 5 Plus family, designed for high-efficiency switching applications. It features an N-channel configuration with a drain-source voltage rating of 20 V and a continuous drain current capability of up to 135 A at 10 V gate drive. The device utilizes a low on-resistance technology to minimize conduction losses in synchronous rectification and low-side switching topologies.

Feature Summary

• OptiMOS 5 Plus technology for optimized trade-off between conduction and switching losses
• Low thermal resistance package design for efficient heat dissipation
• Robust avalanche energy rating for enhanced system reliability
• Lead-free terminal plating compliant with environmental directives

Applications

• Synchronous rectification in DC-DC converters
• Low-side switching in motor control circuits
• Power supplies for industrial automation equipment
• On-board charging systems in electric vehicles

Procurement Notes

Verify the specific suffix KLA1 against the manufacturer's latest datasheet to confirm pinout compatibility and tape-and-reel specifications. Ensure that the ordering code matches the required packaging quantity and moisture sensitivity level for your assembly process. Cross-reference the component marking with official identification guides to prevent counterfeit risks during procurement.

Selection Notes

Select this component when designing circuits requiring low voltage drop and high current handling capabilities. Evaluate the thermal performance under your specific PCB layout conditions to ensure junction temperatures remain within safe operating limits. Consider the gate charge characteristics for driving efficiency in high-frequency switching applications compared to standard MOSFET alternatives.

Part Context

This part belongs to the OptiMOS 5 Plus series, which represents Infineon's advanced planar trench technology for automotive and industrial power management. The series focuses on reducing total gate charge while maintaining low on-state resistance, enabling smaller passive components and higher power density in compact power supply designs.

Replacement Considerations

Direct replacements must match the 20 V / 135 A specification and TO-263-7L package dimensions. Verify that alternative devices offer comparable Rds(on) values and thermal resistance characteristics to maintain original circuit performance without redesigning the cooling infrastructure.