STAC2932B

Overview

The STAC2932B is an N-channel silicon RF power MOSFET designed for large-signal applications up to 250 MHz. It delivers a typical output power of 580 W with 24.6 dB gain at 123 MHz. The device features a continuous drain current of 20 A and a drain-source breakdown voltage of 250 V. It operates within a temperature range of -65 °C to +150 °C and utilizes the ST air-cavity STAC-244B package for superior thermal stability.

Feature Summary

• Utilizes ST air-cavity packaging technology for enhanced thermal performance
• Supports common source push-pull configuration for efficient amplification
• Provides excellent thermal stability under high-power conditions

Applications

• HF/VHF/UHF RF power amplification
• Large signal applications operating up to 250 MHz
• RF transmitter stages requiring high output power

Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors or official channels. Confirm RoHS compliance status and check for specific manufacturing date codes relevant to your supply chain requirements. Ensure proper handling procedures are followed due to the sensitivity of RF semiconductor devices during storage and installation.

Selection Notes

Select this component when designing circuits requiring high output power around 580 W in the HF/VHF/UHF bands. Consider the 250 V drain-source voltage rating for robustness against voltage transients. Evaluate the STAC-244B package dimensions for PCB layout compatibility and ensure adequate heatsinking to maintain junction temperatures within the specified operational limits.

Part Context

The STAC2932B belongs to the STAC series of RF power transistors from STMicroelectronics. This series is characterized by the use of proprietary air-cavity packaging, which minimizes parasitic inductance and improves heat dissipation compared to traditional plastic packages. These devices are engineered specifically for demanding radio frequency applications where efficiency and power density are critical design parameters.

Replacement Considerations

Direct substitutes include the STAC3932B, which shares identical electrical specifications and pinout configurations. Designers should verify that any replacement maintains the same STAC-244B footprint and thermal characteristics to ensure seamless integration without modifying the existing printed circuit board layout.