Overview
The SD2933W 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. This transistor is particularly suited for Industrial, Scientific, and Medical (ISM) applications where reliability and ruggedness are critical. The SD2933W features a special low thermal resistance package, which enhances its thermal stability and makes it ideal for high-power RF applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | SD2933W | |
| Manufacturer | STMicroelectronics | |
| Package | M177 (Epoxy sealed) | |
| Maximum Drain-Source Voltage (Vds) | 125 | V |
| Maximum Gate-Source Voltage (Vgs) | ±20 | V |
| Maximum Drain Current (Id) | 40 | A |
| Maximum Power Dissipation (Pd) | 648 | W |
| Maximum Junction Temperature (Tj) | 200 | °C |
| Output Capacitance (Coss) | 372 | pF |
| Drain-Source On-State Resistance (Rds) | 1 | Ω |
| Operating Frequency | Up to 150 MHz | |
| Output Power (Pout) @ 30 MHz | 300 W min. with 20 dB gain | |
| Operating Temperature Range | -65 to +150 °C |
Key Features
- Gold metalization for improved reliability and performance.
- Excellent thermal stability due to thermally enhanced packaging.
- Common source configuration.
- High output power: 300 W min. with 20 dB gain @ 30 MHz.
- Low thermal resistance package for lower junction temperatures.
Applications
The SD2933W is ideal for various high-power RF applications, including:
- Industrial, Scientific, and Medical (ISM) equipment.
- HF, VHF, and UHF radio frequency amplifiers.
- High-power RF transmitters and amplifiers.
- Applications requiring high reliability and ruggedness.
Q & A
- What is the maximum drain-source voltage of the SD2933W?
The maximum drain-source voltage (Vds) is 125 V.
- What is the maximum gate-source voltage of the SD2933W?
The maximum gate-source voltage (Vgs) is ±20 V.
- What is the maximum drain current of the SD2933W?
The maximum drain current (Id) is 40 A.
- What is the maximum power dissipation of the SD2933W?
The maximum power dissipation (Pd) is 648 W.
- What is the operating frequency range of the SD2933W?
The SD2933W operates up to 150 MHz.
- What is the output power of the SD2933W at 30 MHz?
The output power (Pout) is 300 W min. with 20 dB gain @ 30 MHz.
- What type of packaging does the SD2933W use?
The SD2933W uses an M177 epoxy sealed package.
- What are the key features of the SD2933W?
The key features include gold metalization, excellent thermal stability, common source configuration, and thermally enhanced packaging.
- What are some typical applications for the SD2933W?
Typical applications include ISM equipment, HF, VHF, and UHF radio frequency amplifiers, and high-power RF transmitters and amplifiers.
- What is the maximum junction temperature of the SD2933W?
The maximum junction temperature (Tj) is 200 °C.
- What is the storage temperature range for the SD2933W?
The storage temperature range is -65 to +150 °C.
