MADP-000502-12700P

RF Diode Overview

The MADP-000502-12700P is a surface mount silicon-glass PIN diode chip manufactured by MACOM Technology Solutions. It utilizes the patented HMICTM process, featuring two silicon pedestals embedded in low-loss glass with selective backside metalization for mounting. The device incorporates silicon nitride passivation and polymer scratch protection to safeguard the junction and anode air-bridge. Key electrical specifications include a maximum reverse voltage of -275 V, a typical capacitance of 0.14 pF at -40V/1MHz, and a series resistance ranging from 1.4 to 3.2 Ohms depending on forward current. It operates within a temperature range of -65°C to +125°C.

RF Diode Feature Summary

• Rugged silicon-glass construction eliminates wire bonding requirements
• Low parasitic inductance (0.35 nH) and excellent RC time constant (0.22 ps)
• Silicon nitride passivation with polymer scratch protection layer
• RoHS compliant and compatible with 260°C reflow soldering processes

RF Diode Applications

• Series, shunt, or series-shunt RF switches handling moderate incident power
• Attenuator control circuits including pi, T, tapered resistance, and switched-pad configurations
• High linearity applications requiring elevated P1dB and IP3 values

RF Diode Procurement Notes

Verify the specific ordering suffix against official documentation before purchase. Confirm that the component meets all required environmental standards and packaging quantities. Ensure compatibility with the intended manufacturing assembly processes. Cross-reference the manufacturer's latest datasheet revision to validate current specifications and availability status prior to finalizing procurement orders.

RF Diode Selection Notes

Evaluate the device based on its low parasitic inductance and high power handling capabilities relative to system requirements. Consider the thermal dissipation characteristics and the suitability of the silicon-glass substrate for the specific circuit board material. Assess the forward current and reverse voltage margins to ensure reliable operation under peak signal conditions and varying ambient temperatures.

RF Diode Part Context

This component belongs to the SURMOUNTTM family of monolithic PIN diodes produced by M/A-COM Technology Solutions. These devices are designed as packageless chips utilizing specialized semiconductor integration techniques. The product line emphasizes robust mechanical construction and high-frequency performance suitable for demanding microwave and radio frequency switching environments.

RF Diode Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.