1PMT4134E3/TR7

Single Zener Diodes Overview

The Microchip Technology 1PMT4134E3/TR7 is a surface mount low noise 1 watt Zener diode in the Powermite series. It features a DO-216 package with a full-metallic bottom and unique locking tab design for automatic insertion. The nominal Zener voltage is 91 V at a test current of 250 µA, with a maximum impedance of 1200 Ohms and reverse current of 0.01 µA. Noise density is 69.16 µV/√Hz, and maximum regulator current is 40 mA. Temperature coefficient ranges from 0.01 to 0.095 %/°C.

Single Zener Diodes Feature Summary

• Full-metallic bottom eliminates solder flux entrapment during assembly
• Unique locking tab design serves as an integral heat sink with very low thermal resistance junction to case
• Low noise density measured in the 1–3 kHz frequency bandpass filter at IZT
• Moisture classification Level 1 with no dry pack required per IPC/JEDEC J-STD-020F

Single Zener Diodes Applications

• High-density and low-profile mounting
• Automatic insertion equipment integration
• Voltage regulation over broad operating current and temperature range

Single Zener Diodes Procurement Notes

Verify the specific suffix 'e3' indicates RoHS compliance and 'TR7' denotes tape and reel packaging. Confirm that the device marking includes the part number digits and a dot symbol for RoHS status. Ensure ordering quantities align with standard factory packaging multiples specified by the manufacturer.

Single Zener Diodes Selection Notes

Select this component when a 91 V Zener voltage is required with low noise characteristics. The Powermite package offers higher power handling compared to standard equivalents. Consider the low thermal resistance junction-to-case for applications requiring efficient heat dissipation through the metallic bottom.

Single Zener Diodes Part Context

This device belongs to the Microchip Powermite surface mount low noise 1 watt Zener package series. It provides a surface mount equivalent to JEDEC registered 1N4099 through 1N4135 series but with additional power capability. The series is designed for high-density mounting and compatibility with automatic insertion equipment.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.