1N4731A BK TIN/LEAD

Single Zener Diodes Overview

The Central Semiconductor Corp 1N4731A BK TIN/LEAD is a silicon Zener diode in the DO-41 case. It provides voltage regulation with a nominal Zener voltage of 4.3 V at a test current of 58 mA. The device has a maximum power dissipation of 1.0 W and a voltage tolerance of ±5%. Maximum reverse current is 10 µA, and maximum Zener impedance is 9 Ω. Operating temperature ranges from -65 °C to +200 °C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for industrial and commercial applications
• Features a glass encapsulated body with tin/lead plating options
• Designed for through-hole mounting in standard DO-41 packages

Single Zener Diodes Applications

• Industrial equipment voltage regulation
• Commercial circuit protection
• Entertainment system power supplies
• Computer application voltage references

Single Zener Diodes Procurement Notes

This component is classified as End of Life (EOL) by Central Semiconductor Corp. No direct replacement part number is available. Verify availability status before procurement planning. Contact [email protected] for alternate source assistance if required.

Single Zener Diodes Selection Notes

Select this component for low-voltage regulation requiring high reliability. Ensure compatibility with through-hole assembly processes. Tin/lead plating is specified for specific environmental or soldering requirements. Confirm operating temperature range meets design specifications.

Single Zener Diodes Part Context

Part of the 1N4728A series of 1-watt silicon Zener diodes. Manufactured by Central Semiconductor Corp. Uses DO-41 plastic or glass package. Part of a broader family covering voltages from 3.3V to 100V with 5% tolerance.

Single Zener Diodes Replacement Considerations

No direct replacement part number is available from Central Semiconductor Corp. Contact [email protected] for alternate source assistance.