2SD2228-T1-A

Overview

The 2SD2228-T1-A is a silicon NPN epitaxial planar transistor manufactured by Renesas Electronics Corporation. It belongs to the RF Bipolar Transistors product category and is designed for high-frequency applications. The component utilizes a surface-mount package configuration suitable for automated assembly processes in electronic manufacturing. As an RF device, it supports signal amplification and switching functions within radio frequency circuits. The manufacturer has designated this specific part number as obsolete, indicating that production has ceased and the component is no longer available for new design implementations.

Feature Summary

• Utilizes silicon epitaxial planar technology for reliable RF performance
• Designed specifically for radio frequency signal processing applications
• Configured in a compact surface-mount package format

Applications

• Radio frequency signal amplification stages
• RF switching circuits in communication equipment
• High-frequency signal processing modules

Procurement Notes

This component is officially classified as obsolete by the manufacturer. No new stock is available from authorized channels. Engineers must verify end-of-life status through official Renesas documentation before proceeding with any legacy system maintenance or repair activities requiring this specific part number.

Selection Notes

Due to the obsolete status of the 2SD2228-T1-A, direct replacement sourcing is not possible. Designers should consult official Renesas resources to identify current active alternatives that meet similar RF specifications. New designs must avoid this part number entirely to ensure long-term supply chain stability and compliance with modern manufacturing standards.

Part Context

The 2SD2228-T1-A is part of Renesas Electronics' historical portfolio of silicon bipolar transistors. It was previously utilized in RF circuit designs requiring NPN amplification capabilities. The transition to obsolete status reflects the manufacturer's strategic shift toward newer semiconductor technologies and updated product lines that offer improved performance metrics for contemporary electronic systems.

Replacement Considerations

No public confirmed substitute part numbers are available for this obsolete component. Users must refer to official Renesas discontinuation notices for guidance on identifying equivalent active devices that satisfy original design requirements.