RB480YFST2R

Overview

The RB480YFST2R is a Schottky barrier diode manufactured by ROHM Semiconductor, designed for surface-mount applications. It features a dual line configuration within an EMD4 (SOT-543) package. The device supports AEC-Q101 automotive standards and 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 and a maximum reverse current of 0.03mA at 10V reverse bias. The component withstands a peak forward surge current of 1A and functions reliably within a junction temperature range up to 125°C.

Feature Summary

• Dual line configuration for efficient space utilization in compact circuits
• Low forward voltage design to minimize power loss and heat generation
• High reliability construction suitable for demanding environments
• Compliance with AEC-Q101 standards for automotive grade applications

Applications

• Automotive electronic systems requiring AEC-Q101 compliance
• DC-DC converter circuits utilizing synchronous rectification
• Freewheeling diode applications in switching power supplies
• Reverse polarity protection in low-voltage DC circuits

Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct packaging and tape specifications. Confirm availability status as manufacturing changes may affect supply continuity. Cross-reference the part number with authorized distributors to validate authenticity and traceability. Ensure the selected variant matches the required package code and terminal configuration for your PCB layout.

Selection Notes

Select this component when a small footprint dual Schottky diode is required for automotive or industrial use. The SOT-543 package offers a compact solution for space-constrained designs. Consider the 30V reverse voltage rating and 0.1A current capacity to ensure adequate headroom for the target application. Verify thermal management requirements against the specified junction temperature limits.

Part Context

This component belongs to the RB480Y series of Schottky barrier diodes from ROHM Semiconductor. The series is characterized by ultra-small plastic packages and low forward voltage characteristics. These devices are engineered to provide high reliability in modern electronic equipment where size reduction and efficiency are critical design priorities.

Replacement Considerations

Check for direct substitutes within the same series that share identical pinouts and electrical ratings. Verify package compatibility before substituting to avoid PCB redesign. Consult official discontinuation notices for recommended alternative part numbers if this specific model is no longer available.