1N5221B TR PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5221B TR PBFREE is a silicon Zener diode with a nominal voltage of 2.4 V and ±5% tolerance. It operates within a power dissipation rating of 500 mW at 75°C ambient temperature. The device features a maximum dynamic impedance of 30 Ω at the test current of 20 mA and a reverse leakage current of 0.25 μA at 1.0 V. It utilizes a DO-35 axial through-hole package and supports an operating junction temperature range from -65°C to +200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for industrial, commercial, entertainment, and computer applications
• Features highly reliable silicon construction designed for consistent performance
• Includes a glass encapsulated DO-35 case with solderable terminals

Single Zener Diodes Applications

• Industrial equipment voltage regulation
• Commercial circuit protection
• Entertainment system power management
• Computer application voltage reference

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix required for your manufacturing needs. The 'TR' designation indicates tape and reel packaging, while 'PBFREE' confirms lead-free plating compliance. Confirm that the component meets RoHS directives and check for any specific environmental or export control classifications relevant to your region before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 2.4 V reference is required in a standard axial package. Ensure the circuit design accommodates the specified 500 mW power dissipation limit and the thermal derating requirements above 75°C. Verify that the ±5% tolerance aligns with the precision requirements of the target voltage regulation application.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5278B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 2.4 V up to 170 V, all housed in the DO-35 case. These devices are engineered as general-purpose voltage regulators suitable for various electronic systems requiring stable DC voltage levels.

Single Zener Diodes Replacement Considerations

No public confirmed substitute part numbers are available for this specific component.

Single Zener Diodes FAQ

What is the marking code for the 1N5221B?

The marking code for the 1N5221B is C5221B.

What is the maximum forward voltage drop?

The maximum forward voltage is 1.2 V at a forward current of 200 mA.