1N5941PE3/TR12

Single Zener Diodes Overview

The Microchip Technology 1N5941PE3/TR12 is a 1.5-watt glass-encapsulated Zener diode in the DO-41 axial package. It provides voltage regulation at a nominal Zener voltage of 47 V with a ±10% tolerance. The device operates within a temperature range of -65°C to +175°C and features a maximum dynamic impedance of 67 Ohms at a test current of 8.0 mA. It includes RoHS compliance (e3 suffix) and tape-and-reel packaging.

Single Zener Diodes Feature Summary

• Hermetically sealed glass body construction for high reliability
• Metallurgically enhanced internal contact design
• Non-sensitive to electrostatic discharge per MIL-STD-750 method 1020
• Inherently radiation hard

Single Zener Diodes Applications

• Voltage regulation over broad operating currents
• High reliability circuit protection
• Harsh environment applications requiring hermetic sealing

Single Zener Diodes Procurement Notes

Verify the specific electrical parameters, particularly the Zener voltage and tolerance, against the official datasheet before integration. Confirm that the RoHS compliant e3 suffix matches environmental requirements. Ensure the axial leaded package dimensions align with the target PCB layout constraints.

Single Zener Diodes Selection Notes

Select this component when a 47 V regulation point is required in a through-hole axial configuration. Consider the 1.5 W power dissipation rating and the wide operating temperature range suitable for demanding environments. Verify compatibility with existing JEDEC registered part numbers if replacing legacy components.

Single Zener Diodes Part Context

This part belongs to the 1N5913BG–1N5956BG series of 1.5 watt Zener diodes manufactured by Microsemi/Microchip Technology. The series offers a selection of voltages from 3.3 V to 200 V with various tolerance levels. The 'P' suffix indicates a plastic body option, while the 'G' suffix denotes the glass encapsulation used in this specific part number.

Single Zener Diodes Replacement Considerations

Equivalent parts include other manufacturers' 1N5941 variants or 1N5941A equivalents. Verify pinout and thermal resistance specifications match the original design requirements.

Single Zener Diodes FAQ

What is the maximum junction temperature for this device?

The maximum junction and storage temperature range is -65°C to +175°C.

How is polarity indicated on the package?

The cathode is indicated by a band on the glass body. The diode must be operated with the banded end positive with respect to the opposite end for Zener regulation.