MA4SPS402

RF Diode Overview

The MA4SPS402 is a silicon-glass PIN diode chip utilizing the HMICTM process, featuring two silicon pedestals embedded in low-loss glass. It operates within a temperature range of -55°C to +125°C and withstands a reverse voltage of -100V. Key electrical specifications include a maximum series resistance (RS) of 5.8 Ohms at 10mA forward current and 1GHz frequency, and a typical total capacitance (CT) of 0.045 pF at -40V reverse bias and 1GHz. The device handles up to 1W of dissipated power and features a junction temperature rating of +175°C.

RF Diode Feature Summary

• Surface mount design with rugged silicon-glass construction and no wire bonding required
• Vertical conic topology providing exceptional heat transfer from the active area
• Silicon nitride passivation and polymer scratch protection for junction safety
• Low parasitic inductance and excellent RC constant suitable for high-frequency switching

RF Diode Applications

• Series, shunt, or series-shunt switches handling moderate incident power (5W C.W.)
• Switch elements requiring lower parasitic inductance compared to plastic counterparts
• Applications involving higher incident peak power (50W)

RF Diode Procurement Notes

Verify the specific ordering suffix when purchasing to ensure the correct packaging format. Options include waffle packs, tape and reel, or gel pack pockets. Confirm that the component meets RoHS compliance requirements for your assembly process. Review the manufacturer's terms regarding liability and intended use restrictions before finalizing procurement orders.

RF Diode Selection Notes

Select this component for designs requiring high average and peak power handling capabilities. The vertical conic topology offers superior thermal performance compared to standard surface mount packages. Ensure the circuit layout accommodates the ODS-1253 die dimensions and utilizes recommended soldering profiles for hard or soft substrates to maintain optimal electrical characteristics.

RF Diode Part Context

This device belongs to the SURMOUNTTM family of PIN diodes manufactured by MACOM Technology Solutions. It is part of the SMPP series and is fabricated using patented HMICTM technology. The product line focuses on providing robust, high-performance semiconductor solutions for microwave and RF applications where reliability and thermal management are critical.

RF Diode Replacement Considerations

Consult the manufacturer's documentation for direct substitutes. Alternative part numbers such as MADP-000402-12530P may be available depending on the required packaging configuration.