UM9404F

Overview

The UM9404F is a PIN diode manufactured by Microchip Technology, utilizing silicon technology. It is housed in a hermetic MELF (PPIN) package. The component features a reverse voltage rating of 400 V. It belongs to the PIN Diodes product category and falls under the sub-category of Diodes & Rectifiers. The device is identified by the trademark Microchip Technology.

Feature Summary

• Hermetic sealing for environmental protection
• Silicon-based PIN diode construction

Applications

Procurement Notes

Verify the specific datasheet version and Product Change Notification dated January 23, 2024, prior to procurement. Confirm that the hermetic MELF package meets the required environmental specifications for the intended application. Ensure compatibility with existing circuit designs regarding the 400 V reverse voltage rating.

Selection Notes

Select this component when a high-reliability, hermetically sealed silicon PIN diode is required. The 400 V reverse voltage rating defines its operational limits. Consider the PPIN MELF package form factor for space-constrained or harsh environment applications where hermeticity is critical.

Part Context

The UM9404F is part of Microchip Technology's discrete semiconductor portfolio, specifically within the diode and rectifier segment. It shares the silicon PIN diode classification with related models like the UM9401F, though packaging and specific electrical ratings may vary across the series.

Replacement Considerations

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