1PMT4120/TR13

Single Zener Diodes Overview

The Microchip Technology 1PMT4120/TR13 is a surface mount low noise Zener diode in the Powermite package. It provides a nominal Zener voltage of 30 V at a test current of 250 µA. The device features a maximum Zener impedance of 200 Ohms and a maximum reverse leakage current of 0.01 µA. It supports a steady-state power dissipation of 1.0 W with a junction-to-case thermal resistance of 30 °C/W. Operating temperatures range from -55 °C to +150 °C, and it utilizes a DO-216AA (SMB) surface mount package.

Single Zener Diodes Feature Summary

• Features a full-metallic bottom design that eliminates solder flux entrapment during assembly.
• Incorporates a unique locking tab serving as an integral heat sink for low thermal resistance.
• Provides low noise density within the 1–3 kHz frequency bandpass filter at the test current.
• 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 in the part number. Ensure the required tolerance level matches the standard or C-suffix options available in the datasheet. Cross-reference the manufacturer's latest revision history for any updates to mechanical dimensions or electrical characteristics before finalizing procurement specifications.

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 low thermal resistance junction-to-case rating for applications needing efficient heat dissipation through the metallic bottom. Evaluate the low noise density specification if the application operates within sensitive frequency bands. Verify that the 30 V nominal voltage aligns with the circuit's regulation requirements.

Single Zener Diodes Part Context

This device belongs to the Powermite series of low noise Zener diodes manufactured by Microchip Technology. It serves as a surface mount equivalent to the JEDEC registered 1N4099 through 1N4135 axial-leaded series, offering higher power handling capabilities in a compact footprint. The series includes extensive selections ranging from 5.1 V to 100 V Zener voltages.

Single Zener Diodes Replacement Considerations

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