1N5258BUR-1

Single Zener Diodes Overview

The Microchip Technology 1N5258BUR-1 is a 0.5 W Zener voltage regulator in a hermetically sealed DO-213AA surface mount package. It provides a nominal Zener voltage of 36 V with a ±5% tolerance at a test current of 3.4 mA. The device features an internal metallurgical bond and operates within a junction temperature range of -65°C to +175°C. Key electrical parameters include a maximum dynamic impedance of 26 Ω at the test current, a reverse leakage current of 0.1 µA at 36 V, and a positive temperature coefficient of +0.093 %/°C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass surface mount package with internal metallurgical bond
• Voltage regulation across a broad operating current and temperature range
• Non-sensitive to electrostatic discharge (ESD)
• Inherently radiation hard

Single Zener Diodes Applications

• Voltage regulation in power supplies
• Reference voltage sources in electronic circuits
• Overvoltage protection applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's nomenclature to confirm tolerance class and RoHS compliance status. Ensure the procurement channel is authorized to guarantee authenticity for this screened component series. Confirm that the required tape and reel packaging options align with production needs before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when a surface mount equivalent to the axial 1N5258 is required. The 36 V rating and ±5% tolerance suit general-purpose regulation tasks. Consider the low capacitance and radiation hardness for specialized environments. Verify thermal derating requirements based on the FR4 PCB footprint and ambient conditions during design.

Single Zener Diodes Part Context

This part belongs to the 1N5221BUR-1 through 1N5281BUR-1 series of metallurgically bonded glass surface mount Zener diodes. The series covers a voltage range from 2.4 V to 200 V, offering various tolerance options including 1%, 2%, 5%, and 10%. These devices serve as surface mount replacements for traditional JEDEC registered axial-leaded Zener diodes.

Single Zener Diodes Replacement Considerations

Direct equivalents include the axial-leaded 1N5258B-1. Other surface mount variants within the same series may be considered if voltage or tolerance specifications differ.