SD2941-10W

Overview

The SD2941-10W is a single N-channel enhancement-mode RF power MOSFET manufactured by STMicroelectronics. It operates with a drain-source voltage of 125 V and supports a maximum continuous drain current of 20 A. The device delivers an output power of 175 W with a typical power gain of 15.8 dB at a frequency of 175 MHz. Designed for surface mount installation, it utilizes the M174 package configuration featuring four pins. The component functions within a temperature range from -65°C to +200°C.

Feature Summary

• Gold metallization construction for enhanced ruggedness and reliability in high-power applications
• Thermally enhanced packaging design to minimize junction temperatures during operation
• Common source configuration optimized for large signal RF performance

Applications

• Industrial, Scientific, and Medical (ISM) band equipment
• High-frequency RF power amplification circuits
• Rugged communication systems requiring high reliability

Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics match the required design specifications. Ensure thermal management solutions align with the M174 package's dissipation capabilities. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement orders.

Selection Notes

Select this component for designs requiring 125 V breakdown and 175 W output power at 175 MHz. The M174 package suits applications needing robust thermal performance. Evaluate the 15.8 dB gain requirement against system needs. Consider the 20 A current rating for load matching. Verify operating temperature limits fit the environmental constraints.

Part Context

This part belongs to the SD2931/SD2941 series of RF power transistors. These devices are engineered for high-efficiency amplification in demanding environments. The series emphasizes stability and power density. Engineers often utilize these components in broadcast and industrial radio frequency systems where consistent performance under stress is critical.

Replacement Considerations

Public confirmed substitute part numbers: SD2941-10.