1N5238B_T50A

Single Zener Diodes Overview

The onsemi 1N5238B_T50A is a single unidirectional silicon Zener voltage regulator diode designed for general-purpose regulation applications. It features a nominal Zener voltage of 8.7V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 500mW and operates within a temperature range of -65°C to +200°C. It utilizes the DO-35 (DO-204AH) glass axial leaded package, providing hermetic sealing and robust mechanical stability for through-hole mounting.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for environmental protection
• Double slug type metallurgically bonded internal design
• Wide operating temperature capability up to 200°C

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection in low-power systems
• Clamping applications in signal processing

Single Zener Diodes Procurement Notes

Verify the specific manufacturer lot and date code upon receipt to ensure compliance with project requirements. Confirm that the component matches the DO-35 package dimensions and pin configuration specified in the official datasheet. Inspect leads for straightness and solderability prior to assembly to prevent mounting defects.

Single Zener Diodes Selection Notes

Select this component when a precise 8.7V regulation point is required in a compact axial package. Consider the 500mW power rating and thermal resistance characteristics for heat dissipation needs. Ensure the ±5% voltage tolerance aligns with circuit precision requirements compared to tighter tolerance alternatives.

Single Zener Diodes Part Context

This part belongs to the 1N5221B series of 500mW DO-35 glass Zener diodes. The series offers a complete voltage range from 1.8V to 200V, allowing designers to standardize on a single package type across various voltage regulation needs while maintaining consistent mechanical and thermal properties.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N5238B equivalents in DO-35 packages. Verify that substitute parts maintain the same 8.7V nominal voltage, 500mW power rating, and ±5% tolerance to ensure functional compatibility without redesigning the host circuit.