1PMT5948AE3/TR7

Single Zener Diodes Overview

The Microchip Technology 1PMT5948AE3/TR7 is a surface-mount Zener diode housed in the Powermite DO-216AA package. It provides a nominal Zener voltage of 91 V with a test current of 4.1 mA and a dynamic impedance of 200 ohms. The device supports a maximum DC power dissipation of 3.0 watts when mounted to TAB 1 at 60°C, with a maximum Zener current of 26.4 mA. It operates within a junction temperature range of -55°C to +150°C and features a reverse leakage current of 1 µA at 69.2 V.

Single Zener Diodes Feature Summary

• Features an integral metallic bottom and locking tab that acts as a heat sink to eliminate solder flux entrapment during assembly.
• Designed for compatibility with automatic insertion equipment due to its innovative Powermite packaging structure.
• Provides high electrostatic discharge protection exceeding 16 kV according to the human body model standard.

Single Zener Diodes Applications

• Voltage regulation in surface mount circuit designs
• Protection circuits requiring robust thermal management via the locking tab
• Automated manufacturing environments utilizing automatic insertion equipment

Single Zener Diodes Procurement Notes

Verify the specific tolerance suffix (e.g., AE3) against official datasheets, as standard variants may differ in voltage accuracy. Confirm the TR7 tape and reel packaging configuration matches production requirements. Ensure the component meets RoHS compliance standards if required by the target application environment.

Single Zener Diodes Selection Notes

Select this component for applications requiring 3-watt power handling in a compact surface-mount form factor. The DO-216AA package offers superior thermal performance compared to standard molded packages. Consider the 91 V nominal voltage and 200 ohm dynamic impedance characteristics for precise regulation needs.

Single Zener Diodes Part Context

This part belongs to the 1PMT59xx series of 3-watt Zener diodes manufactured by Microchip Technology. The series utilizes the Powermite package to deliver high power density in a small footprint. These devices are engineered for reliability in demanding electronic assemblies where space and thermal efficiency are critical constraints.

Single Zener Diodes Replacement Considerations

Compatible substitutes include other 3-watt Zener diodes in the DO-216AA package with matching 91 V specifications. Verify thermal resistance and pinout compatibility before substitution to ensure proper heat sinking through the locking tab.

Single Zener Diodes FAQ

How does the Powermite package improve assembly reliability?

The full metallic bottom eliminates the possibility of solder flux entrapment during assembly, which enhances connection integrity.

What is the maximum power dissipation capability?

The device supports a DC power dissipation of 3.0 watts when mounted to TAB 1 at 60°C.