1N5229B_T50A

Single Zener Diodes Overview

The onsemi 1N5229B_T50A is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 4.3 V with a tolerance of 5%. The device operates in the DO-35 axial leaded package and supports a maximum power dissipation of 500 mW at 25°C ambient temperature. Key electrical characteristics include a test current of 20 mA, a maximum reverse leakage current of 15 µA, and a dynamic impedance of 24 Ω. The component functions within an operating junction temperature range of -65°C to +200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage reference using unidirectional Zener breakdown mechanism
• Capable of high-temperature operation up to 200°C junction temperature
• Utilizes glass-passivated die for enhanced reliability

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix T50A against official manufacturer documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with standard DO-35 footprint requirements during integration. Confirm RoHS compliance status through the latest datasheet revision before procurement.

Single Zener Diodes Selection Notes

Select this component when a 4.3 V reference is required in an axial package. Consider the 500 mW power rating and 200°C thermal limit for high-temperature environments. Compare dynamic impedance and leakage current against circuit sensitivity requirements.

Single Zener Diodes Part Context

This part belongs to the 1N52xx series of glass-passivated silicon Zener diodes manufactured by onsemi. These devices are widely used in general-purpose electronics for their robustness and consistent performance across wide temperature ranges.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N5229B equivalents in DO-35 packages. Verify pinout orientation and thermal characteristics match original design constraints.