STAC0912-250

Overview

The STAC0912-250 is an LDMOS avionics radar transistor manufactured by STMicroelectronics. It operates within a frequency range of 960 MHz to 1.215 GHz, delivering a power output of 250 W. The device features a minimum breakdown voltage of 80 V and supports an operating voltage of 36 V. It is designed for high-temperature environments with a maximum operating temperature of 200°C. The component utilizes ECOPACK packaging and is RoHS compliant.

Feature Summary

• High-power LDMOS technology optimized for avionics radar applications
• Capable of delivering 250 W output power in the UHF band
• Designed for robust operation at elevated temperatures up to 200°C
• Compliant with ECOPACK environmental specifications

Applications

• Avionics radar systems
• Military communication transmitters
• Ground-based radar infrastructure

Procurement Notes

Verify the specific package variant and tape-and-reel configuration against the official datasheet before ordering. Confirm that the application environment does not exceed the specified 200°C maximum operating temperature limit. Ensure compatibility with the required 36V supply rail and impedance matching networks suitable for the 960–1215 MHz frequency range. Check for any recent product change notifications regarding manufacturing facility or process updates.

Selection Notes

Select this component for high-power UHF radar transmitter stages requiring reliable LDMOS performance. The 250W output capability suits applications demanding significant signal strength over wide bandwidths. Consider thermal management solutions given the high power density and 200°C rating. Evaluate the 80V breakdown voltage margin against peak voltage stresses in the circuit design to ensure long-term reliability under dynamic load conditions.

Part Context

This part belongs to STMicroelectronics' family of radio frequency power transistors specifically engineered for defense and aerospace sectors. The STAC series focuses on LDMOS technology to provide high linearity and efficiency in critical radar and communication links. These components are distinct from general-purpose RF MOSFETs due to their specialized packaging and thermal handling capabilities for airborne and ground station use.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.