1N4730A TR

Single Zener Diodes Overview

The Central Semiconductor Corp 1N4730A TR is a silicon Zener diode designed for voltage regulation. It features a nominal Zener voltage of 3.9 V with a 5% tolerance, tested at a current of 64 mA. The device dissipates up to 1.0 W at 50°C ambient temperature and operates within a junction temperature range of -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 9.0 Ω at the test current and a reverse leakage current of 50 µA at 1.0 V. The component utilizes a DO-41 glass case package.

Single Zener Diodes Feature Summary

• Highly reliable silicon planar construction for industrial and commercial applications
• Glass passivated junction providing stable voltage regulation
• Flexible axial-lead mounting terminals for through-hole installation

Single Zener Diodes Applications

• Voltage stabilization circuits
• Waveform clipping applications
• Reference voltage generation in computer systems

Single Zener Diodes Procurement Notes

Verify End-of-Life status before procurement as this specific part number has been discontinued by the manufacturer. Confirm availability of last-time buy inventory or alternative sources if immediate replacement is required. Ensure ordering suffixes match requested plating options such as Tin/Lead or Lead-Free variants.

Single Zener Diodes Selection Notes

Select this component for designs requiring a precise 3.9 V reference point with low impedance characteristics. Consider the wide operating temperature range suitable for harsh environments. Evaluate thermal management requirements given the 1.0 W power dissipation rating in the DO-41 package.

Single Zener Diodes Part Context

This device belongs to the 1N4728A through 1N4764A series of 1-watt silicon Zener diodes. The series offers extensive voltage selection from 3.3 V to 100 V with standard 5% tolerance. These components are widely used in general-purpose voltage regulation tasks across various electronic industries.

Single Zener Diodes Replacement Considerations

No direct replacement part numbers are provided by the manufacturer for this discontinued item. Contact engineering support for assistance in locating alternate sources or equivalent devices.