0204-125

Overview

The Microsemi 0204-125 is a double input matched common emitter broadband transistor designed for the 225-400 MHz frequency band. It features an NPN bipolar structure with a maximum collector-emitter voltage of 60V and a maximum collector current of 16A. The device supports a maximum power dissipation of 270W and operates at junction temperatures up to 200°C. It utilizes a 55JT chassis mount package, ensuring robust thermal performance for high-power RF applications within its specified operational bandwidth.

Feature Summary

• Double input matched common emitter configuration for broadband stability
• Optimized for operation in the 225-400 MHz frequency range
• High power handling capability suitable for chassis mounting

Applications

• Broadband RF amplification in the 225-400 MHz band
• High-power transmitter output stages
• Military and aerospace communication systems requiring rugged RF components

Procurement Notes

Verify the specific datasheet version from Microsemi or authorized distributors to confirm electrical characteristics and mechanical dimensions. Ensure the procurement channel provides original components with traceable manufacturing dates. Check for RoHS compliance status if required by project specifications. Confirm that the 55JT package matches the thermal management design of the target application.

Selection Notes

Select this component when a double input matched NPN transistor is required for broadband operations between 225-400 MHz. Consider the 270W power dissipation limit and 200°C junction temperature rating for thermal design. The 55JT chassis mount package dictates the mechanical integration strategy. Ensure the system can handle the 16A maximum collector current and 60V voltage ratings during peak operation.

Part Context

The 0204-125 belongs to Microsemi's portfolio of high-power RF bipolar transistors. These components are engineered for demanding environments where reliability and wide bandwidth are critical. The part represents a specialized solution for VHF/UHF applications, distinguishing itself through its matched input configuration and high thermal tolerance compared to standard discrete transistors.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing circuit designs before considering alternative sources. Consult Microsemi technical support for potential cross-reference options if the original part is unavailable.