1N5239B_T50R

Single Zener Diodes Overview

The onsemi 1N5239B_T50R is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 9.1 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +200°C. Packaged in the DO-35 axial leaded format, it exhibits a maximum reverse leakage current of 3 µA and a Zener impedance of 10 Ohms at a test current of 20 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage reference capabilities through precise Zener breakdown characteristics.
• Utilizes a glass-passivated silicon junction for reliable unidirectional operation.
• Supports high thermal stability suitable for demanding environmental conditions.

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix T50R against official onsemi documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with existing board layouts by confirming the DO-35 package dimensions and lead configuration match design requirements before procurement.

Single Zener Diodes Selection Notes

Select this component when a standard 9.1 V reference is required with moderate power handling. Consider the DO-35 package constraints for through-hole mounting. Evaluate the 500 mW dissipation limit against circuit load conditions to ensure safe operating area compliance under all expected thermal scenarios.

Single Zener Diodes Part Context

This part belongs to the widely recognized 1N52xx series of Zener diodes, a standard family used extensively in general-purpose electronics. The 1N5239 designation specifically identifies the 9.1 V variant within this lineage, maintaining consistent electrical performance standards established across the series for voltage clamping and regulation tasks.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5239B parts for pin-compatible substitution. Verify that alternative suppliers offer matching Zener voltage tolerances and power ratings to ensure functional equivalence without redesigning the host circuitry.