1N5238B BK TIN/LEAD

Single Zener Diodes Overview

The 1N5238B BK TIN/LEAD is a single silicon Zener diode manufactured by Central Semiconductor Corp. It features a nominal Zener voltage of 8.7 V with a tolerance of ±5%. The device is rated for 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 3 µA at 6.2 V, a Zener impedance of 8 Ω, and a test current of 20 mA. It utilizes a DO-35 axial through-hole package.

Single Zener Diodes Feature Summary

• Hermetically sealed glass compression bonded construction
• Corrosion resistant external surfaces
• Through-hole mounting configuration

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Voltage reference applications
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation when sourcing, as Central Semiconductor Corp produces this component alongside other manufacturers like Microchip Technology who also produce the 1N5238B series. Confirm that the requested unit matches the Central Semiconductor part number exactly to ensure compatibility with hermetic sealing requirements and specific electrical tolerances defined in the official datasheet.

Single Zener Diodes Selection Notes

Select this component for designs requiring a standard 8.7 V Zener reference in a through-hole format. Ensure the circuit design accommodates the specified 500 mW power dissipation limit and the operating junction temperature range up to 200°C. Verify that the 8 Ω Zener impedance meets the dynamic performance requirements of the application.

Single Zener Diodes Part Context

This component belongs to the 1N5239B series family of 500 mW Zener diodes produced by Central Semiconductor Corp. These devices are characterized by their robust glass passivation and hermetic sealing, making them suitable for demanding environments where long-term stability and corrosion resistance are critical for reliable operation.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include 1N5238 from Microchip Technology and TC1N5238B from Tak Cheong.