1N4471 TR PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N4471 TR PBFREE is a silicon Zener diode with a nominal voltage of 18 V and a tolerance of ±5%. It operates within a power dissipation rating of 1.5 W at 25°C ambient temperature, featuring a maximum reverse current of 0.05 μA and a DC test current of 14 mA. The device supports junction temperatures from -65°C to +200°C and 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 handling peak non-repetitive surge currents.

Single Zener Diodes Applications

• Automotive electronic circuits
• Industrial control systems
• Commercial equipment power supplies
• Computer application logic protection

Single Zener Diodes Procurement Notes

Verify component status before procurement as this part has been transitioned to End of Life (EOL) status per Product Discontinuation Notice PDN01280. Orders are restricted to available inventory on hand only. Confirm final shipment dates and minimum order quantities directly with the manufacturer or authorized distributors, as standard production availability is no longer guaranteed.

Single Zener Diodes Selection Notes

Select this component for designs requiring an 18 V reference with specific thermal and surge capabilities. Ensure the circuit layout accommodates the DO-41 axial package dimensions. Verify that the 1.5 W power dissipation limit aligns with the expected operating conditions and ambient temperature constraints of the target application environment.

Single Zener Diodes Part Context

This component belongs to the 1N4460 through 1N4496 series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a voltage range from 6.2 V to 200 V with consistent 5% tolerance across all variants. All devices in this series share the same DO-41 case outline and general electrical characteristics structure.

Single Zener Diodes Replacement Considerations

No official replacement part numbers are provided by the manufacturer for the 1N4471 TR variant. Consult Central Semiconductor's engineering support team for potential alternate sources or custom screening options if direct substitution is required.

Single Zener Diodes FAQ

What is the maximum non-repetitive surge current rating?

The maximum surge current (IS) is rated at 1.4 A for a peak 1/2 sinusoidal pulse of 8.3 ms duration.

Does the PBFREE suffix indicate a functional change?

No, the PBFREE suffix indicates Lead (Pb) Free plating options and does not alter the electrical function or specifications of the diode.