1N5224B

Single Zener Diodes Overview

The SMC Diode Solutions 1N5224B is a hermetically sealed glass Zener diode designed for high-reliability applications. It features a nominal Zener voltage of 2.8 V with a tolerance of ±5% and a maximum power dissipation of 0.5 W at 25°C ambient temperature. The device utilizes a DO-35 axial through-hole package with compression-bonded construction to ensure corrosion resistance. Key electrical characteristics include a low reverse leakage current level and low Zener impedance, making it suitable for precise voltage regulation tasks in demanding environments.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction provides high reliability and environmental protection
• Low reverse leakage current ensures stable performance under varying conditions
• Low Zener impedance contributes to accurate voltage regulation
• Compression-bonded design offers mechanical stability and corrosion resistance

Single Zener Diodes Applications

• Voltage stabilization circuits requiring high precision
• High-reliability aerospace or military electronic systems
• Reference voltage sources in sensitive measurement equipment

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source when ordering, as the 1N5224B part number is produced by multiple vendors including Microchip Technology, Taiwan Semiconductor, and SMC Diode Solutions. Confirm that the received component matches the required hermetic sealing specification and DO-35 package type. Ensure compliance with RoHS directives if applicable to your assembly process. Check datasheets for minor variations in test currents or impedance values between different manufacturers.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed Zener diode is required for critical voltage reference applications. The 2.8 V rating and 0.5 W power dissipation define its operational limits. Consider the DO-35 package size for board space constraints. Verify that the ±5% tolerance meets the circuit's accuracy requirements. Compare dynamic impedance specifications across suppliers to ensure optimal regulation performance for the specific load conditions.

Single Zener Diodes Part Context

The 1N5224B belongs to the standard 1N52xx series of Zener diodes, widely used for voltage regulation and protection. This series typically ranges from 2.4 V to higher voltages, with the 'B' suffix often denoting a specific tolerance band, such as ±5%. The DO-35 glass package is a legacy but robust form factor preferred in applications where hermetic sealing is mandatory for long-term reliability and resistance to harsh environmental factors.

Single Zener Diodes Replacement Considerations

Direct substitutes include other manufacturers' versions of the 1N5224B, such as those from Microchip Technology or Taiwan Semiconductor. Ensure any replacement maintains the 2.8 V nominal voltage, 0.5 W power rating, and DO-35 hermetic package. Verify that the replacement part also meets the required ±5% tolerance and low leakage specifications.