1N5244A (DO-35)

Single Zener Diodes Overview

The Microsemi Corporation 1N5244A is a Zener diode with a nominal voltage of 14 V and a power dissipation rating of 0.5 W at 25 °C. It features a hermetically sealed glass DO-35 (DO-204AH) axial-lead package. The device has a maximum reverse current of 600 μA at 10 V, a test current of 8.5 mA, and a maximum Zener impedance of 15 Ω at 0.25 mA. Voltage tolerance is ±10% for the A suffix. Operating temperature ranges from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-lead construction
• Regulates voltage over a broad operating current and temperature range
• Minimal capacitance characteristics
• Inherently radiation hard

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix letter against the datasheet to confirm the exact voltage tolerance required for the application. Confirm that the package type matches the intended mounting style. Ensure the manufacturer source is verified as Microsemi or its authorized successor entity before procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 14 V reference is needed within a 0.5 W power budget. Consider the thermal resistance of 250 °C/W junction-to-lead when designing heat dissipation. Verify if tighter tolerances are necessary, as other suffixes offer different percentage margins.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5 watt Zener Voltage Regulators. The series provides a wide selection of voltages from 2.4 to 200 volts. These devices are JEDEC registered and utilize standard glass axial-leaded packages suitable for through-hole mounting.

Single Zener Diodes Replacement Considerations

Equivalent parts include the 1N5244 without the 'A' suffix for standard tolerance, or the 1N5244B for tighter 5% tolerance. Surface mount equivalents are available in the MLL5221 to MLL5281B series.