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Product Detailed Parameters
- Description：RF MOSFET
- Series：*
- Mfr：STMicroelectronics
- Package：Bulk
- Technology：-
- Frequency：-
- Gain：-
- Voltage - Test：-
- Current Rating (Amps)：-
- Noise Figure：-
- Current - Test：-
- Power - Output：-
- Voltage - Rated：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Configuration：-
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Overview
The SD2931-15W is a single N-channel enhancement-mode RF power MOSFET manufactured by STMicroelectronics. It operates with a maximum drain-source voltage of 125 V and supports a continuous drain current of 20 A. The device is designed for large-signal applications up to 230 MHz, delivering a minimum output power of 150 W with a typical power gain of 14 dB at 175 MHz. It utilizes the M174 surface-mount package with four pins and features gold metallization for enhanced thermal stability. The component functions within an operating temperature range from -65°C to 200°C.
Feature Summary
- Gold metallization provides excellent thermal stability and ruggedness for ISM applications.
- Designed for common source configuration in HF/VHF/UHF large signal applications.
- Thermally enhanced packaging reduces junction temperatures for improved reliability.
Applications
- Industrial, Scientific, and Medical (ISM) equipment
- High-frequency radio frequency amplification circuits
- UHF/VHF transmitter stages
Procurement Notes
Verify the specific datasheet revision and electrical characteristics against the manufacturer's official documentation before integration. Confirm that the M174 package dimensions and pinout match the target PCB layout requirements. Ensure thermal management solutions are adequate for the specified power dissipation levels during operation.
Selection Notes
Select this component for designs requiring high power output at frequencies up to 230 MHz with a 125 V drain-source rating. Consider the M174 surface-mount package constraints and the need for robust thermal management due to the 150 W power handling capability. Evaluate compatibility with 50 V DC supply rails for optimal performance.
Part Context
This part belongs to the SD2931 series of RF power transistors. It shares electrical similarities with variants like the SD2931-10 and SD2931-12MR but differs in packaging and specific thermal resistance characteristics. The series is characterized by gold metallization and suitability for harsh environments.
Replacement Considerations
The SD2931-10 and SD2931-12MR are electrically identical alternatives within the same family. Verify mechanical compatibility and thermal resistance differences when substituting these parts.
