1N5245

Single Zener Diodes Overview

The Microchip Technology 1N5245 is a silicon Zener diode with a nominal breakdown voltage of 15V and a standard tolerance of ±5%. It operates in the DO-35 (DO-204AH) glass axial-lead package. The device provides a maximum power dissipation of 0.5 watts at 25°C, with a steady-state rating of 0.48W on an FR4 printed circuit board. It features a low reverse current and minimal capacitance, ensuring stable regulation across a broad operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass DO-35 axial-lead construction for reliable operation
• Inherently radiation hard per MicroNote 050 specifications
• Non-sensitive to electrostatic discharge (ESD)
• Minimal parasitic capacitance for high-frequency stability

Single Zener Diodes Applications

• Voltage regulation circuits requiring stable reference levels
• Overvoltage protection stages in sensitive electronics
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific suffix letters to confirm exact tolerance grades and compliance status. Standard JEDEC types may lack guaranteed limits on all parameters unless designated with A or B suffixes. Confirm RoHS compliance by checking for the e3 suffix. Ensure the prefix matches the required screening level if military standards are necessary for the application.

Single Zener Diodes Selection Notes

Select this component when a robust, hermetically sealed axial-lead regulator is needed. The 1N5245 offers a 15V breakdown point suitable for mid-range supply rails. Consider tighter tolerance variants like the 1N5245C or D if precision is critical. Evaluate thermal derating curves carefully if operating near the maximum ambient temperature limit.

Single Zener Diodes Part Context

This part belongs to the extensive 1N5221 through 1N5281B series manufactured by Microsemi's Scottsdale Division. The series covers a wide voltage spectrum from 2.4V to 200V within the same physical form factor. These devices are widely recognized as industry-standard regulators available in various screening levels and surface-mount equivalents.

Single Zener Diodes Replacement Considerations

Surface mount equivalents are available in the MLL5221 to MLL5281B series using the DO-213AA MELF package. For higher reliability requirements, consider parts prefixed with MQ, MX, MV, or MSP for JAN, JANTX, JANTXV, and JANS screening respectively.