1N5221B BK TIN/LEAD

Single Zener Diodes Overview

The 1N5221B BK TIN/LEAD is a single silicon zener diode manufactured by Central Semiconductor Corp. It features a nominal zener voltage of 2.4V with a 5% tolerance and a maximum power dissipation of 500mW. The device utilizes a DO-35 axial through-hole package with two terminals. Electrical characteristics include a maximum dynamic impedance of 30 ohms and a reverse leakage current of 1.0 microampere at 1.0 volt. It operates within a temperature range of -65°C to +200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via a single-terminal zener configuration
• Constructed from silicon material for reliable semiconductor performance
• Designed for through-hole mounting in standard DO-35 axial packages

Single Zener Diodes Applications

• Voltage reference circuits requiring low voltage stability
• Overvoltage protection for sensitive electronic components
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix BK TIN/LEAD against manufacturer documentation to confirm lead-free status and terminal plating composition. Ensure the DO-35 package dimensions match the target PCB footprint. Confirm RoHS compliance requirements align with the tin/lead specification provided in the official datasheet before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 2.4V reference is required in a compact axial form factor. The 500mW power rating supports moderate current loads, while the wide operating temperature range suits industrial environments. Compare dynamic impedance specifications against circuit sensitivity requirements to ensure adequate regulation performance under varying load conditions.

Single Zener Diodes Part Context

This part belongs to the 1N5221 series of epitaxial zener diodes produced by Central Semiconductor. The series covers a voltage range from 2.4V to higher values, all sharing similar mechanical and electrical construction standards. The 1N5221B designation specifically identifies the 2.4V variant within this standardized industry-compatible lineup.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering the 1N5221B designation to verify pinout compatibility and electrical parameter equivalence. Ensure substitute parts maintain the same DO-35 package outline and thermal characteristics for direct replacement without circuit modification.