Overview
The SD3931-10 is an N-channel MOS field-effect RF power transistor produced by STMicroelectronics. It is designed for use in 100 V DC large signal applications up to 150 MHz. This transistor is particularly suited for high-frequency applications in the HF/VHF/UHF range, making it a valuable component in various radio frequency systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDSS) | 250 | V |
| Gate-Source Voltage (VGS) | ±20 | V |
| Drain Current (ID) | 10 | A |
| Power Dissipation (PDISS) | 389 | W |
| Maximum Operating Junction Temperature (TJ) | 200 | °C |
| Storage Temperature (TSTG) | -65 to +150 | °C |
| Junction-Case Thermal Resistance (RthJC) | 0.45 | °C/W |
| Output Power (POUT) at 150 MHz | 175 W min. | W |
| Gain at 150 MHz | 23 dB | dB |
Key Features
- Excellent thermal stability
- Common source configuration
- High output power: POUT = 175 W min. with 23 dB gain at 150 MHz
- In compliance with the 2002/95/EC European directive
Applications
The SD3931-10 is suitable for various high-frequency applications, including:
- HF/VHF/UHF radio frequency systems
- Amplifiers and transmitters in communication equipment
- Radar systems
- Broadcasting and telecommunications equipment
Q & A
- What is the maximum drain-source voltage of the SD3931-10?
The maximum drain-source voltage (VDSS) is 250 V.
- What is the maximum gate-source voltage of the SD3931-10?
The maximum gate-source voltage (VGS) is ±20 V.
- What is the maximum drain current of the SD3931-10?
The maximum drain current (ID) is 10 A.
- What is the maximum power dissipation of the SD3931-10?
The maximum power dissipation (PDISS) is 389 W.
- What is the typical output power of the SD3931-10 at 150 MHz?
The typical output power (POUT) at 150 MHz is 175 W min. with 23 dB gain.
- What is the junction-case thermal resistance of the SD3931-10?
The junction-case thermal resistance (RthJC) is 0.45 °C/W).
- What is the storage temperature range for the SD3931-10?
The storage temperature range (TSTG) is -65 to +150 °C).
- Is the SD3931-10 compliant with any specific European directives?
Yes, it is in compliance with the 2002/95/EC European directive).
- What is the package style and mounting method of the SD3931-10?
The package style is M-174, and the mounting method is surface mount).
- What are some typical applications of the SD3931-10?
Typical applications include HF/VHF/UHF radio frequency systems, amplifiers and transmitters in communication equipment, radar systems, and broadcasting and telecommunications equipment).
