PH1214-220M

Overview

The PH1214-220M is a high-power NPN silicon microwave transistor manufactured by MACOM Technology Solutions. Designed for radar pulsed power applications, it operates within the 1.2 to 1.4 GHz frequency band. The device delivers an output power of 220 watts with a pulse width of 2 milliseconds and a duty cycle of 10 percent. It utilizes a matrix geometry with diffused emitter ballasting resistors and features internal input impedance matching. The component is housed in a hermetic metal/ceramic package suitable for demanding RF environments.

Feature Summary

• NPN Silicon Microwave Power Transistor
• Common Emitter Configuration
• Broadband Class A Operation
• Matrix Geometry with Diffused Emitter Ballasting Resistors
• Internal Input Impedance Matching
• Hermetic Metal/Ceramic Package

Applications

• Radar Pulsed Power Systems
• Military Electronic Warfare
• Communications Infrastructure

Procurement Notes

Verify the manufacturer datasheet specifications against the required operational parameters before procurement. Ensure compatibility with the intended thermal management and biasing circuits. Confirm that the hermetic packaging meets the environmental standards of the target application. Cross-reference the part number with official MACOM documentation to confirm availability and technical validity.

Selection Notes

Select this component for applications requiring high pulsed power output in the L-band frequency range. Consider the 2 millisecond pulse width and 10 percent duty cycle when designing the thermal dissipation system. Evaluate the need for internal input impedance matching to simplify circuit design. Compare performance metrics with lower or higher power variants in the PH1214 series based on specific system requirements.

Part Context

The PH1214-220M belongs to the PH1214 family of radar pulsed power transistors from MACOM. This series includes various power levels ranging from less than one watt to over one hundred watts, all operating in the 1.2 to 1.4 GHz band. The family shares common design features such as matrix geometry and hermetic packaging, allowing for standardized integration across different power stages in radar systems.

Replacement Considerations

Direct replacements within the same family include the PH1214-100EL and PH1214-20EL, though these offer significantly lower output power. Higher power alternatives like the PH1214-4M are not applicable due to the substantial difference in wattage. Verify pinout and thermal characteristics when considering any substitute components.