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Product Detailed Parameters
- Description：RF TRANS NPN 65V
- Series：-
- Mfr：MACOM Technology Solutions
- Package：Tray
- Transistor Type：NPN
- Voltage - Collector Emitter Breakdown (Max)：65V
- Frequency - Transition：-
- Noise Figure (dB Typ @ f)：-
- Gain：8.16dB ~ 8.86dB
- Power - Max：75W
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Current - Collector (Ic) (Max)：7A
- Operating Temperature：200°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The PH2731-75L is a radar pulsed power transistor manufactured by MACOM Technology Solutions. It operates within the 2.7 to 3.1 GHz frequency range and delivers an output power of 75 W under specified test conditions. The device utilizes NPN silicon microwave technology with a common base configuration and broadband Class C operation. Key electrical parameters include a collector-emitter breakdown voltage of 65 V, a maximum collector current of 7.0 A, and a thermal resistance of 0.8 °C/W. The component features internal input and output impedance matching and is housed in a hermetic metal/ceramic package.
Feature Summary
- High efficiency inter-digitized geometry
- Diffused emitter ballasting resistors
- Gold metallization system
- Internal input and output impedance matching
Applications
- Radar systems
- Pulsed power applications
Procurement Notes
Verify the specific revision level against the latest official datasheet before procurement. Confirm that the required operating environment aligns with the absolute maximum ratings provided. Ensure proper thermal management solutions are integrated to maintain junction temperatures within safe limits during high-power pulsed operations.
Selection Notes
Select this component for applications requiring 75 W output power in the 2.7 to 3.1 GHz band. Consider the 300 µs pulse width and 10% duty cycle specifications when designing the drive circuitry. Evaluate the load mismatch tolerance requirements to ensure system stability under varying impedance conditions.
Part Context
This part belongs to the MACOM radar pulsed power transistor family. It shares architectural similarities with other models in the series, such as the PH2729-110M and PH3134-55L, which also utilize NPN silicon technology and common base configurations for high-efficiency microwave power amplification.
Replacement Considerations
Direct replacements must match the 75 W output power, 2.7-3.1 GHz frequency range, and hermetic packaging. Verify pinout compatibility and thermal resistance specifications to ensure seamless integration without redesigning the host circuit board or cooling infrastructure.
