1N5273B TR

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5273B TR is a silicon Zener diode designed for voltage regulation within the 1N5221B through 1N5278B series. It features a nominal Zener voltage of 120 V with a ±5% tolerance, rated at a maximum power dissipation of 500 mW. The device operates in a DO-35 axial leaded package and supports an operating junction temperature range from -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 900 Ω at a test current of 1.0 mA, a maximum reverse leakage current of 0.1 μA at 91 V, and a positive temperature coefficient of +0.110 %/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation utilizing high-reliability silicon technology
• Engineered for operation across extreme industrial and commercial temperature environments
• Constructed in a glass-sealed DO-35 package suitable for high-temperature soldering processes

Single Zener Diodes Applications

• Industrial control systems requiring precise voltage reference
• Commercial electronic equipment protection circuits
• Computer hardware power supply regulation modules

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet codes. Confirm ordering suffixes match specific plating requirements, as standard availability may differ from specialized finishes. Review product discontinuation notices carefully, as this part has been classified as End of Life with no direct replacement provided by the manufacturer. Ensure final shipments align with extended timeline allowances if inventory permits.

Single Zener Diodes Selection Notes

Select this component when a 120 V Zener reference is required in a through-hole configuration. The ±5% tolerance suits general-purpose regulation where tight precision is not critical. Consider the high thermal rating for applications involving elevated ambient temperatures or significant self-heating. Verify that the 500 mW power dissipation capability meets the circuit's peak load requirements without exceeding derating limits above 50°C.

Single Zener Diodes Part Context

This device 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 to 170 V in the DO-35 package. All devices in this family share common mechanical outlines and maximum ratings, differing primarily in their specific Zener voltage breakdown points and associated impedance values defined by the 'B' suffix designation.

Single Zener Diodes Replacement Considerations

No direct replacement part numbers are available from Central Semiconductor Corp for this discontinued item.