1N2254A

Single Diodes Overview

The 1N2254A is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 27 V with a tolerance of 10%. The device operates in the DO-7-2 (DO-35) axial through-hole package and dissipates up to 500 mW of power. Key electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 41 Ohms at a test current of 4.6 mA, and a forward voltage of 1.1 V. The component supports an operating temperature range from -65°C to +200°C and exhibits a voltage temperature coefficient of 0.09%/°C.

Single Diodes Feature Summary

• Provides stable voltage regulation with a 27 V nominal breakdown voltage
• Capable of handling high thermal loads with a maximum junction temperature of 200°C
• Offers low leakage current for efficient circuit performance

Single Diodes Applications

• Voltage reference circuits requiring precise regulation
• Overvoltage protection stages in electronic systems
• Power supply stabilization modules

Single Diodes Procurement Notes

Verify the specific manufacturer source and authenticity when sourcing this component, as it may be available through authorized distributors or surplus channels. Confirm that the received units match the DO-7-2 package dimensions and meet the specified electrical tolerances for Zener voltage and leakage current before integration into critical designs.

Single Diodes Selection Notes

Select the 1N2254A when a robust 27 V regulation point is required within a standard axial leaded package. Its wide operating temperature range makes it suitable for environments where standard commercial grade components might fail. Ensure the circuit design accounts for the 500 mW power dissipation limit and the specific Zener impedance to maintain accuracy under varying load conditions.

Single Diodes Part Context

This component belongs to the standard Zener diode category produced by Microchip Technology. It utilizes the legacy DO-35 glass passivated junction construction, which is common in through-hole designs. The part serves as a fundamental discrete semiconductor element for maintaining constant voltage levels in analog and digital circuits.

Single Diodes Replacement Considerations

Cross-reference with other 27 V Zener diodes in the DO-35 package, such as those from ON Semiconductor or Vishay, ensuring identical voltage tolerance and power rating. Verify pin compatibility and thermal characteristics before substituting.