1N5221B_T50R

Single Zener Diodes Overview

The onsemi 1N5221B_T50R is a single-channel Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 2.4 V with a 5% tolerance, tested at a current of 20 mA. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -55 °C to +150 °C. Packaged in the DO-35 axial leaded format, it exhibits a maximum reverse leakage current of 100 µA and a Zener impedance of 30 Ohms. The component utilizes a negative voltage temperature coefficient of -0.085 %/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage reference through epitaxial Zener regulation
• Features internal metallurgical bond for reliability
• Supports automated mounting via glass axial-lead package

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix _T50R against official datasheets to confirm packaging details such as reel specifications. Confirm RoHS compliance status directly with manufacturer documentation prior to integration. Ensure the operating environment remains within the specified -55 °C to +150 °C range to maintain performance integrity.

Single Zener Diodes Selection Notes

Select this component when a low-voltage reference near 2.4 V is required in a through-hole configuration. The 500 mW power rating suits moderate current applications. Consider the negative temperature coefficient for thermal stability analysis in precision designs requiring compensation.

Single Zener Diodes Part Context

This part belongs to the standard 1N5221 series of 500 mW Zener diodes. The series covers a wide voltage range from 2.4 V to higher values, all sharing the DO-35 glass axial package. The 'B' designation typically indicates a 5% voltage tolerance, distinguishing it from tighter or looser tolerance variants.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering the 1N5221B specification in DO-35 packages. Verify that substitute parts match the 2.4 V nominal voltage, 500 mW power dissipation, and 30 Ohm impedance parameters.