1N5263B TR

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5263B TR is a silicon Zener diode with a nominal voltage of 56 V and ±5% tolerance. It operates in the DO-35 axial leaded package with a maximum power dissipation of 500 mW at 75°C case temperature. The device features a test current of 2.2 mA, a maximum dynamic impedance of 150 Ω, and a reverse leakage current of 0.1 μA at 43 V. It supports an operating and storage junction temperature range from -65°C to +200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within a 5% tolerance band for precision circuit applications.
• Constructed using high-reliability silicon technology suitable for industrial and commercial environments.
• Designed for through-hole mounting in standard DO-35 glass axial-lead packages.

Single Zener Diodes Applications

• Industrial control systems
• Commercial equipment
• Entertainment electronics
• Computer applications

Single Zener Diodes Procurement Notes

Verify product status carefully as this specific part number has been transitioned to End of Life (EOL) status by the manufacturer. Confirm availability of remaining stock or last-time buy windows before finalizing procurement plans. No direct replacement part numbers are currently listed by the manufacturer for this specific component variant.

Single Zener Diodes Selection Notes

Select this component when a 56 V reference is required in a DO-35 package with 500 mW power handling capabilities. Ensure the design accounts for the specified 150 Ω dynamic impedance and thermal derating requirements above 75°C case temperature. Verify that the application environment falls within the -65°C to +200°C operating range.

Single Zener Diodes Part Context

This component belongs to the 1N5221B through 1N5281B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series offers a wide selection of voltages from 2.4 V to 170 V in the same DO-35 package format. These devices are characterized by their high reliability and consistent performance across various electronic applications.

Single Zener Diodes Replacement Considerations

No replacement part numbers are available from the manufacturer for this discontinued item. Engineers should consult the manufacturer's engineering team for potential alternate sources or equivalent specifications if redesigning the circuit.