1N5254B BK TIN/LEAD

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5254B BK TIN/LEAD is a single silicon Zener diode designed for through-hole mounting in the DO-35 axial leaded package. It features a nominal Zener voltage of 27 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +200°C. Key electrical characteristics include a maximum reverse leakage current of 100 µA at 21 V, a Zener impedance of 41 Ohms, and a forward voltage of 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Utilizes a hermetically sealed glass axial-leaded DO-35 package for environmental protection
• Features low internal capacitance suitable for high-frequency applications
• Constructed with a metallurgically bonded junction for enhanced reliability

Single Zener Diodes Applications

• Voltage reference circuits requiring precise regulation
• Overvoltage protection stages in electronic systems
• Clipping and clamping applications in signal processing
• General-purpose voltage regulation in industrial equipment

Single Zener Diodes Procurement Notes

Verify that the specific ordering suffix matches the required termination finish and packaging format. Confirm RoHS compliance status as tin/lead variants may differ from lead-free specifications. Ensure the DO-35 package dimensions align with the target PCB footprint. Cross-reference the manufacturer part number against official datasheets to validate electrical tolerances before procurement.

Single Zener Diodes Selection Notes

Select this component when a 27 V regulation point is required in a standard axial package. Consider the 500 mW power rating to ensure adequate thermal headroom for the application. Evaluate the 41 Ohm impedance value for noise sensitivity requirements. Compare the ±5% voltage tolerance against circuit precision needs. Verify compatibility with existing through-hole assembly processes.

Single Zener Diodes Part Context

This component belongs to the widely used 1N5221 through 1N5281 series of 0.5 W Zener diodes. The series offers an extensive selection of voltages ranging from 2.4 V to 200 V. These devices are industry-standard replacements for legacy JEDEC registered parts. The 1N5254B specifically provides the 27 V option within this comprehensive lineup.

Single Zener Diodes Replacement Considerations

• 1N5254B-TR (Vishay General Semiconductor)

Single Zener Diodes FAQ

What is the maximum operating temperature for this Zener diode?

The maximum operating temperature is +200°C.

Does this component have a hermetically sealed package?

Yes, the DO-35 package is hermetically sealed using glass material.