PH3134-10M

Overview

The PH3134-10M is a silicon NPN microwave power transistor designed for radar pulsed power applications. It operates within the 3.1 to 3.4 GHz frequency range and delivers 55W of output power under pulsed conditions with a 300µs pulse width and 10% duty cycle. The device utilizes a common base configuration with broadband Class C operation and features internal input and output impedance matching. Absolute maximum ratings include a collector-emitter breakdown voltage of 65V, a peak collector current of 6.5A, and a power dissipation capacity of 350W at 25°C. The component is housed in a hermetic metal/ceramic package suitable for demanding environments.

Feature Summary

• High-efficiency inter-digitized geometry with diffused emitter ballasting resistors
• Internal input and output impedance matching for simplified integration
• Hermetic metal/ceramic packaging for environmental durability

Applications

• Radar pulsed power systems
• Test and measurement setups
• Broadband Class C amplifier circuits

Procurement Notes

Verify the specific suffix '10M' against the manufacturer's official datasheet to confirm exact pinout and mechanical dimensions. Ensure compatibility with the required thermal management solutions given the high power dissipation ratings. Confirm RoHS compliance status if required by the end application standards. Cross-reference the absolute maximum ratings with the actual operating conditions to prevent device failure.

Selection Notes

Select this component for applications requiring high pulsed power output in the S-band frequency range. Consider the common base configuration and internal matching when designing the RF circuit. Evaluate the thermal resistance and package type for adequate heat sinking. Verify that the required pulse width and duty cycle align with the device's specified operational limits.

Part Context

This part belongs to MACOM's portfolio of high-performance bipolar RF power transistors. These components are engineered for demanding RF and microwave applications requiring robust performance and reliability. The product line supports various industrial, scientific, and medical systems as well as communication infrastructure.

Replacement Considerations

Consult the official MACOM documentation for confirmed substitute part numbers. Do not assume functional equivalence with other models without verifying electrical parameters and pin configurations.

FAQ

What is the typical collector efficiency at 3.25 GHz?

The collector efficiency is typically around 35% when operating at 3.25 GHz with a 55W output power.

What is the load mismatch tolerance for this transistor?

The device can tolerate a load mismatch up to 2:1 VSWR while maintaining an input return loss of -6 dB.