1N5254BTR

Single Zener Diodes Overview

The onsemi 1N5254BTR is a single-channel general-purpose Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 27 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within an extended temperature range from -65°C to +200°C. Packaged in the SOD-27 (DO-35) axial leaded format, it offers a maximum Zener impedance of 41 Ω at a test current of 4.6 mA. The component exhibits a low maximum reverse leakage current of 100 nA and a typical voltage temperature coefficient of 0.08%/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation through a robust glass-encapsulated axial leaded structure.
• Maintains consistent performance across extreme environmental conditions up to 200°C.
• Ensures precise voltage referencing with tight manufacturing tolerances.

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation, as sourcing data indicates availability from both onsemi and Central Semiconductor Corp under identical part numbers. Confirm package type consistency, as listings show variations between SOD-27 and DO-35 designations. Ensure the requested suffix matches the required packaging configuration before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a standard 27 V reference is required in a compact axial package. The wide operating temperature range makes it suitable for harsh environments. Verify that the 500 mW power rating aligns with the circuit's thermal dissipation requirements and that the 41 Ω impedance meets the load regulation specifications.

Single Zener Diodes Part Context

This component belongs to the widely utilized 1N52xx series of Zener diodes. These devices are industry-standard solutions for low-power voltage regulation tasks. The 1N5254B variant specifically targets the 27 V segment of this extensive lineup, offering a balance of precision and reliability for general electronic applications.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers include 1N5254B-TR from Vishay General Semiconductor.