1N4099UR-1

Single Zener Diodes Overview

The Microchip Technology 1N4099UR-1 is a Zener diode rated at 6.8V with a 200 Ohm impedance, housed in the DO-213AA-2 surface-mount package. It operates within a temperature range of -65°C to +175°C and dissipates up to 500 mW. The device features a 5% voltage tolerance and a maximum reverse leakage current of 50 nA at 5.2V. Qualified per MIL-PRF-19500/435, it utilizes an internal metallurgical bond for high reliability.

Single Zener Diodes Feature Summary

• Internal metallurgical bond construction for enhanced structural integrity
• Qualified to JANS level under MIL-PRF-19500/435 for high-reliability applications
• Low noise density characteristics suitable for precision regulation

Single Zener Diodes Applications

• High-reliability aerospace systems
• Military-grade electronic circuits
• Precision voltage reference regulation

Single Zener Diodes Procurement Notes

Verify the specific suffix UR-1 against official Microchip documentation to confirm the exact package type and qualification level. Ensure compliance with MIL-PRF-19500/435 requirements for your intended application. Confirm RoHS status as indicated in the datasheet, noting that military grades may have specific environmental constraints distinct from commercial versions.

Single Zener Diodes Selection Notes

Select this component when a 6.8V Zener reference is required in a compact surface-mount form factor. The DO-213AA-2 package offers space efficiency compared to axial leads. Consider the 500 mW power dissipation and wide operating temperature range for harsh environments. Verify that the 200 Ohm impedance aligns with your circuit's load requirements.

Single Zener Diodes Part Context

This part belongs to the 1N4099-1 through 1N4135-1 series of 500 mW metallurgically bonded glass Zener diodes. These components are JEDEC registered and available in various voltage tolerances. The series supports JAN, JANTX, JANTXV, and JANS qualifications, providing options for different reliability tiers in critical electronics.

Single Zener Diodes Replacement Considerations

Consult the official Microchip datasheet for direct equivalents within the 1N4099-1 series. Verify pinout compatibility and electrical parameters such as Zener voltage and impedance before substituting.