1N5940AP/TR8

Single Zener Diodes Overview

The Microchip Technology 1N5940AP/TR8 is a 1.5-watt glass Zener diode with a nominal voltage of 43 V and a tolerance of ±10%. It operates within a temperature range of -65°C to +175°C and features a DO-41 axial lead package. The device provides steady-state power dissipation of 1.25 W at 25°C ambient or 1.5 W at a lead temperature of 85°C, with a maximum dynamic impedance of 53 Ohms.

Single Zener Diodes Feature Summary

• Hermetically sealed voidless hard glass casing with tungsten slugs for high reliability
• Metallurgically enhanced internal contact design for lower thermal resistance
• Non-sensitive to electrostatic discharge per MIL-STD-750 method 1020
• Inherently radiation hard construction

Single Zener Diodes Applications

• Voltage regulation over broad operating current and temperature ranges
• High reliability applications requiring hermetic sealing
• Radiation-hardened circuit designs

Single Zener Diodes Procurement Notes

Verify the specific suffix 'TR8' against official documentation to confirm tape and reel packaging details. Confirm RoHS compliance status as commercial grades may differ from military screening levels. Check for active production status or obsolescence notices prior to procurement.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 43 V reference with ±10% tolerance in an axial package. Ensure the operating environment supports the specified junction temperature range. Consider the 53 Ohm dynamic impedance for precision requirements.

Single Zener Diodes Part Context

This part belongs to the 1N5913BG–1N5956BG series of available axial-leaded 1.5 Watt glass Zener diodes. The series offers voltage regulation from 3.3 to 200 volts with various tolerance options. The 'A' suffix indicates a 10% voltage tolerance.

Single Zener Diodes Replacement Considerations

Equivalent parts include other manufacturers' 1N5940A devices meeting JEDEC specifications. Verify pinout compatibility and thermal characteristics when substituting.