1PMT4119/TR13

Single Zener Diodes Overview

The Microchip Technology 1PMT4119/TR13 is a surface mount low noise 1 watt Zener diode in the Powermite package series. It provides a nominal Zener voltage of 28 V at a test current (IZT) of 250 µA. The device features a maximum Zener impedance (ZZT) of 200 Ohms and a maximum reverse leakage current (IR) of 0.01 µA at 21.28 V. Its maximum noise density is 30.6 µV/√Hz, with a maximum temperature coefficient of 0.085 %/°C. The part operates within a junction temperature range of -55 °C to +150 °C and has a steady-state power dissipation rating of 1.0 W.

Single Zener Diodes Feature Summary

• Features a full-metallic bottom design that eliminates solder flux entrapment during assembly.
• Includes a unique locking tab serving as an integral heat sink for efficient thermal transfer.
• Provides low noise density performance suitable for sensitive signal applications.
• Compatible with automatic insertion equipment for high-density mounting.

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging details. Confirm RoHS compliance status by checking for the e3 designation or manufacturer markings. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity. Cross-reference the datasheet revision history for any recent updates to electrical characteristics or mechanical dimensions before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when a 1-watt power handling capability is required in a surface mount form factor. Consider the Powermite package for its superior thermal management compared to standard equivalents. Evaluate the low noise density specification if the application involves sensitive analog signal processing. Verify that the 28 V nominal voltage aligns with the target regulation requirements and available tolerance levels.

Single Zener Diodes Part Context

This device belongs to the Microchip Powermite surface mount low noise 1 watt Zener package series. It serves as a surface mount equivalent to JEDEC registered 1N4099 through 1N4135 series diodes but offers additional power handling capabilities. The series is designed to provide size advantages while maintaining robust performance in demanding electronic environments.

Single Zener Diodes Replacement Considerations

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