UM9402

Overview

The UM9402 is a silicon PIN diode manufactured by Microchip Technology, designed for high-frequency RF applications. It features a hermetic glass flange package to ensure reliability in demanding environments. Key electrical specifications include a peak reverse voltage of 50V and a capacitance of 1.5pF at 0V reverse bias. The component is classified as an RF diode suitable for switching and attenuation tasks.

Feature Summary

• Hermetic glass flange construction for environmental protection
• Silicon PIN diode technology optimized for RF performance
• Designed for high-frequency switching and signal attenuation

Applications

• RF switching circuits
• Signal attenuation modules
• High-frequency communication systems

Procurement Notes

Verify the specific datasheet version and manufacturing lot details directly with Microchip Technology or authorized distributors before procurement. Confirm that the hermetic glass flange package meets the thermal and mechanical requirements of the target application. Ensure compliance with relevant industry standards for RF components used in sensitive electronic systems.

Selection Notes

Select the UM9402 when hermetic sealing is required for RF diodes operating at high frequencies. Consider its 50V peak reverse voltage rating and low capacitance characteristics for signal integrity. Evaluate the glass flange package compatibility with existing PCB layouts and mounting constraints compared to standard surface-mount alternatives.

Part Context

The UM9402 belongs to the family of silicon PIN diodes produced by Microchip Technology. It is distinct from other variants like the UM9401F, which uses a MELF package. This component is part of Microchip's portfolio of discrete semiconductor devices focused on radio frequency and microwave applications requiring robust packaging.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.