1N4472 BK PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N4472 BK PBFREE is a silicon Zener diode with a nominal voltage of 20 V and a 5% tolerance. It operates within a power dissipation rating of 1.5 W at 25°C ambient temperature. The device supports junction temperatures from -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 12 Ω at the test current of 12.5 mA, and a maximum reverse current of 0.05 μA at 16 V. The component utilizes the DO-41 axial leaded package.

Single Zener Diodes Feature Summary

• Designed for high-quality voltage regulation in automotive, industrial, commercial, entertainment, and computer applications.
• Features a robust silicon construction capable of withstanding peak non-repetitive surge currents.

Single Zener Diodes Applications

• Automotive electronics
• Industrial control systems
• Commercial equipment
• Computer circuitry

Single Zener Diodes Procurement Notes

This product has been officially discontinued by Central Semiconductor and is classified as End of Life (EOL). Orders are restricted to available inventory on hand only. No new production is scheduled. Verify stock availability directly with authorized distributors or sales representatives before initiating any purchase requests.

Single Zener Diodes Selection Notes

Select this component for standard 20 V reference applications requiring a DO-41 package. Note that the entire 1N4460 through 1N4496 series is discontinued. Designers must evaluate alternative sources or substitute components immediately, as no direct replacement part numbers are provided by the manufacturer.

Single Zener Diodes Part Context

The 1N4472 belongs to the 1N4460 series of 1.5 Watt silicon Zener diodes manufactured by Central Semiconductor. This series covers a voltage range from 6.2 V to 200 V with a consistent 5% tolerance. All devices in this specific family have been transitioned to End of Life status, affecting both Pb-Free and Tin/Lead plating options.

Single Zener Diodes Replacement Considerations

No official replacement part numbers are listed by Central Semiconductor for the 1N4472 BK PBFREE. Customers are advised to contact local sales representatives for assistance in locating alternate sources or suitable substitutes from other manufacturers.

Single Zener Diodes FAQ

What is the maximum operating junction temperature for the 1N4472?

The maximum operating junction temperature is +200°C.

Is there a suggested replacement part number for the 1N4472?

No, Central Semiconductor lists 'N/A' for all suggested replacements in the discontinuation notice for this series.