MA4P303-1088

RF Diode Overview

The MA4P303-1088 is a silicon PIN diode from the MACOM SMPP series, designed for high-frequency RF applications. It operates within a frequency range of 20 MHz to 1.8 GHz. Key electrical parameters include a maximum reverse voltage (Vr) of 200 Vdc and a maximum diode capacitance of 150 fF. The device supports a forward current (If) of 100 mA and features a maximum series resistance of 1.5 Ohms at mid-band frequencies. It has a carrier lifetime of 0.3 microseconds and a power dissipation rating of 50 W. The component functions reliably across an operating temperature range from -55°C to +175°C.

RF Diode Feature Summary

• High reverse voltage capability for robust RF switching performance
• Low junction capacitance optimized for ultra-high frequency signal integrity
• Wide thermal operating range suitable for demanding environments
• High power dissipation rating for reliable operation under load

RF Diode Applications

• RF switching circuits in communication systems
• Attenuator modules requiring wideband frequency response
• Phase shifters in radar and electronic warfare systems
• Test and measurement equipment RF front ends

RF Diode Procurement Notes

Verify the specific suffix against official MACOM documentation to confirm exact binning or testing criteria. Ensure compatibility with existing PCB footprints and thermal management designs. Confirm RoHS compliance status through the manufacturer's latest declaration. Validate supply chain authenticity via authorized distribution channels only.

RF Diode Selection Notes

Select this component when applications require a balance of low capacitance and high power handling in the UHF to L-band spectrum. Consider the 1.5 Ohm series resistance for insertion loss calculations. Evaluate the 200 V reverse voltage rating against peak RF swing requirements. Compare carrier lifetime specifications against switching speed needs relative to alternative PIN diodes.

RF Diode Part Context

This part belongs to the MACOM SMPP series of silicon PIN diodes. The series is engineered for high-performance analog and RF applications. Components in this family typically offer consistent electrical characteristics across wide temperature ranges. The SMPP designation indicates specific packaging and processing standards used by the manufacturer.

RF Diode Replacement Considerations

Consult MACOM official substitution guides for verified equivalents. Generic PIN diodes may not match the specific capacitance or carrier lifetime profiles. Verify pinout compatibility if replacing in existing assemblies. Check for updated manufacturing revisions that might affect mechanical dimensions.