1N4627UR/TR

Overview

The Microchip Technology 1N4627UR/TR is a glass surface mount Zener voltage regulator with a nominal voltage of 6.2 V and a standard tolerance of ±5%. It operates within a temperature range of -65°C to +175°C and dissipates up to 0.5 W at an end-cap temperature below 100°C. The device features a maximum reverse current of 5 µA, a typical impedance of 1.2 kΩ, and a test current of 250 µA. Packaged in a hermetically sealed DO-213AA (SOD80/MLL34) MELF style case, it is supplied in tape and reel format.

Feature Summary

• Hermetically sealed glass DO-213AA MELF package
• Inherently radiation hard design
• ESD nonsensitive per MIL-STD-750 Method 1020
• Minimal capacitance characteristics

Applications

• Voltage regulation over broad operating currents
• Temperature compensation circuits
• Reference voltage generation

Procurement Notes

Verify the specific suffix 'TR' indicates tape and reel packaging configuration. Confirm RoHS compliance status via the 'e3' designation if required by assembly specifications. Ensure the ordering part number matches the exact voltage and tolerance requirements for the target application environment.

Selection Notes

Select this component for applications requiring radiation hardness and high-temperature operation up to 175°C. The DO-213AA package provides a surface mount alternative to axial-leaded equivalents. Consider the thermal resistance of 150°C/W when designing PCB layouts to maintain safe junction temperatures under steady-state power dissipation conditions.

Part Context

This device belongs to the 1N4614UR through 1N4627UR series of 0.5-watt glass surface mount Zeners. It serves as a surface mount equivalent to JEDEC registered axial-leaded 1N4614 through 1N4627 series diodes. The series offers voltages from 1.8 to 100 V with standard 5% tolerances.

Replacement Considerations

Equivalent axial-leaded parts include the 1N4627 series. Surface mount alternatives within the same family are MLL4627 or MLL4627E3.