STAC1011-500

Overview

The STAC1011-500 is a 50 V common-source N-channel enhancement-mode lateral field-effect RF power transistor designed for avionics applications at frequencies up to 1250 MHz. It delivers 500 W of output power within the 700 to 1200 MHz frequency range. The device supports high efficiency and linear gain operations, featuring integrated ESD protection and internal input matching for ease of use. It accommodates large positive and negative gate/source voltage ranges to improve Class C operation performance.

Feature Summary

• Integrated electrostatic discharge (ESD) protection
• Internal input matching network for simplified circuit design
• Wide gate/source voltage range supporting improved Class C operation

Applications

• Avionics systems operating up to 1250 MHz

Procurement Notes

Verify component authenticity by cross-referencing the part number with official STMicroelectronics documentation. Confirm that the device matches the specified 50 V, 500 W, and 700–1200 MHz parameters. Ensure compliance with European Directive 2002/95/EC requirements as stated in the manufacturer's product overview before integration into final assemblies.

Selection Notes

Select this component when designing avionics circuits requiring an N-channel LDMOS transistor with integrated input matching. The device is suitable for applications demanding high efficiency and linear gain in the UHF band. Verify that the system operates within the specified 700 to 1200 MHz range and can accommodate the required gate/source voltage conditions for optimal Class C performance.

Part Context

This component belongs to the family of silicon RF power transistors manufactured by STMicroelectronics. It utilizes lateral field-effect technology optimized for high-power radio frequency applications. The device is distinct from general-purpose switching transistors or low-frequency power devices, serving specifically in high-frequency amplification roles within specialized communication and radar systems.

Replacement Considerations

No public confirmed substitute part numbers are available for direct replacement.