RB481Y9HKT2R

Overview

The RB481Y9HKT2R is a Schottky Barrier Diode manufactured by ROHM Semiconductor, designed for surface-mount applications. It features an EMD4 package (SOT-543) and supports AEC-Q101 automotive standards. The device operates with a maximum reverse voltage of 30V and an average rectified forward current of 0.1A. Key electrical parameters include a maximum forward voltage of 0.43V at 0.1A input current and a maximum reverse current of 0.03mA at 10V reverse bias. The junction temperature rating reaches 125°C, with a storage temperature range from -40°C to 125°C.

Feature Summary

• Compliant with AEC-Q101 automotive grade reliability standards
• Ultra-small plastic package design for compact circuit integration
• Low forward voltage characteristic for improved efficiency
• High reliability construction suitable for demanding environments

Applications

• Automotive electronic circuits requiring AEC-Q101 compliance
• Surface-mount power management systems
• Signal rectification in compact consumer electronics

Procurement Notes

Verify the specific ordering suffix against official ROHM documentation to ensure correct packaging and tape specifications. Confirm component status as manufacturing may be discontinued or restricted for new designs. Cross-reference datasheet revisions to validate parameter consistency before finalizing procurement orders.

Selection Notes

Select this component when small form factor and automotive qualification are required. Ensure the 30V reverse voltage and 0.1A current ratings align with circuit demands. Consider thermal management capabilities within the specified junction temperature limits during system design.

Part Context

This part belongs to the RB481 series of Schottky barrier diodes produced by ROHM. The series emphasizes miniaturization and low forward voltage drop characteristics. The RB481Y variant specifically targets applications needing robust performance in limited space constraints while maintaining high reliability standards.

Replacement Considerations

Consult official ROHM documentation for approved substitute part numbers. Verify pin compatibility and electrical specifications before implementing any alternative components in existing designs.