Overview
The SD2933 is a gold metalized N-channel MOS field-effect RF power transistor manufactured by STMicroelectronics. It is designed for use in 50 V dc large signal applications up to 150 MHz. The transistor features a special low thermal resistance package, making it ideal for Industrial, Scientific, and Medical (ISM) applications where reliability and ruggedness are critical factors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain Source Voltage (VBR(DSS)) | 125 | V |
| Drain-Gate Voltage (VDGR) | 125 | V |
| Gate-Source Voltage (VGS) | ±20 | V |
| Drain Current (ID) | 40 | A |
| Power Dissipation (PDISS) | 648 | W |
| Max. Operating Junction Temperature (Tj) | 200 | °C |
| Avalanche Energy, Single Pulse (EAS) | 1500 | mJ |
| Avalanche Energy, Repetitive (EAR) | 50 | mJ |
| Storage Temperature (TSTG) | -65 to +150 | °C |
| Junction-Case Thermal Resistance (Rth(j-c)) | 0.27 | °C/W |
| Output Power (POUT) | 300 W min. with 20 dB gain @ 30 MHz |
Key Features
- Gold metalization
- Excellent thermal stability
- Common source configuration
- Output power of 300 W minimum with 20 dB gain at 30 MHz
- Thermally enhanced packaging for lower junction temperatures
Applications
The SD2933 is particularly suited for Industrial, Scientific, and Medical (ISM) applications, as well as other high-frequency RF power applications where reliability and ruggedness are essential. These include but are not limited to:
- RF amplifiers
- Transmitters
- ISM equipment
- High-frequency power applications up to 150 MHz
Q & A
- What is the maximum operating frequency of the SD2933?
The SD2933 is designed for use in applications up to 150 MHz. - What is the maximum drain current of the SD2933?
The maximum drain current is 40 A. - What is the output power of the SD2933 at 30 MHz?
The output power is 300 W minimum with 20 dB gain at 30 MHz. - What is the thermal resistance of the SD2933?
The junction-case thermal resistance is 0.27 °C/W. - What type of packaging does the SD2933 use?
The SD2933 uses thermally enhanced packaging in an M177 epoxy sealed package. - Is the SD2933 RoHS compliant?
Yes, the SD2933 is RoHS compliant. - What are the storage temperature limits for the SD2933?
The storage temperature range is -65 to +150 °C. - What is the maximum operating junction temperature of the SD2933?
The maximum operating junction temperature is 200 °C. - What are some typical applications for the SD2933?
Typical applications include RF amplifiers, transmitters, ISM equipment, and other high-frequency power applications. - What is the drain-source voltage rating of the SD2933?
The drain-source voltage rating is 125 V.
