PD55025STR-E

Overview

The PD55025STR-E is an N-channel enhancement-mode lateral MOSFET RF power transistor manufactured by STMicroelectronics. It operates at a drain-source voltage of 12.5 V and delivers 25 W of output power with 14.5 dB gain at 500 MHz. The device supports frequencies up to 1 GHz and features a continuous drain current of 7 A. It utilizes the PowerSO-10RF-2 surface-mount package, rated for operation between -65°C and +165°C, with a maximum power dissipation of 73 W and a gate-source voltage limit of +40 V.

Feature Summary

• Common source configuration designed for high gain and broad band commercial applications
• Utilizes LDMOS technology for excellent linearity and reliability performance
• Mounted in a JEDEC approved SMD plastic RF power package optimized for assembly

Applications

• Car mobile radio systems
• Broadband commercial RF amplification
• Industrial RF applications

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout and electrical characteristics. Ensure compliance with humidity sensitivity handling requirements during storage and assembly processes. Cross-reference the datasheet revision date to validate parameter accuracy before integration into final designs.

Selection Notes

Select this component when a 25 W output power capability at 12.5 V is required for broadband operations. The PowerSO-10RF-2 package is suitable for designs prioritizing surface-mount assembly ease and thermal stability. Consider the 1 GHz frequency range and 14.5 dB gain specifications for matching network design purposes.

Part Context

This part belongs to the PD55025-E series of RF power transistors. It represents STMicroelectronics' LdmoST plastic family, which integrates lateral MOSFET technology into standard surface-mount packages. This series targets applications requiring robust RF performance without the complexity of ceramic packaging solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative manufacturers or different power ratings within the same package type.