1N6844U3

Overview

The Microchip Technology 1N6844U3 is a single Schottky rectifier diode designed for surface mount applications. It features a 100V reverse voltage rating and a continuous forward current capacity of 15A. The device utilizes a low-profile U3 (SMD-0.5) ceramic package, which provides robust mechanical stability. Key electrical specifications include a maximum reverse leakage current of 100 µA and a forward surge current capability of 250 A. The component operates within a temperature range from -65°C to +150°C junction temperature.

Feature Summary

• Low forward voltage drop characteristic for improved efficiency
• Seam welded ceramic package construction for environmental resilience
• Low junction capacitance suitable for high-speed switching
• Ultrasonic aluminum wire bonds for reliable internal connections

Applications

• High-efficiency DC-DC converters
• Power supply freewheeling circuits
• Reverse polarity protection systems
• Clamping applications in sensitive electronic circuits

Procurement Notes

Verify the specific suffix code on the ordering information to confirm exact manufacturing variations or qualification levels. Ensure that the procurement channel provides original manufacturer documentation to validate authenticity. Cross-reference the part number with official Microchip Technology databases to confirm current production status and availability before finalizing purchase orders.

Selection Notes

Select this component when a low-profile surface mount solution is required for high-current rectification. The U3 package offers a compact footprint compared to traditional through-hole alternatives. Consider the thermal resistance characteristics and operating temperature limits when designing heat dissipation strategies for dense circuit boards.

Part Context

This device belongs to the 1N6844 series of power Schottky rectifiers manufactured by Microchip Technology. The series is characterized by its use of ceramic packages for enhanced durability in harsh environments. Variants such as JANS and JANTX exist for military and aerospace qualifications, sharing similar core electrical properties but differing in screening and reliability standards.

Replacement Considerations

Direct replacements may include other 100V 15A Schottky diodes in compatible SMD-0.5 packages. Verify pinout compatibility and thermal performance metrics before substitution. Military-grade equivalents like JANS1N6844U3 offer identical electrical specifications with additional quality assurance protocols.