1N3027B-1/TR

Overview

The Microchip Technology 1N3027B-1/TR is a Zener diode with a nominal voltage of 20 V and a 5% tolerance. It operates within a temperature range of -55°C to +175°C and features a hermetically sealed DO-41 glass package. The device has a maximum DC power dissipation of 1 W, a test current (IZT) of 12.5 mA, and a maximum reverse leakage current of 10 µA. It utilizes a tape and reel packaging format.

Feature Summary

• Hermetically sealed glass DO-41 package for high-reliability applications
• Qualified per MIL-PRF-19500/115 standards
• Inherently radiation hard design
• Low reverse leakage currents

Applications

• Voltage regulation over broad operating ranges
• High-reliability military and aerospace circuits
• Radiation-hardened electronic systems

Procurement Notes

Verify the specific suffix against official documentation to confirm RoHS compliance status and exact qualification level. Confirm that the tape and reel packaging aligns with automated assembly requirements. Ensure the ordering part number matches the required JEDEC registration and tolerance specifications.

Selection Notes

Select this component for applications requiring a 20 V reference in harsh environments. Consider the 1 W power rating and thermal derating curves for circuit design. Verify compatibility with existing through-hole mounting processes due to the axial lead configuration.

Part Context

This component belongs to the 1N3016B-1 through 1N3045B-1 series of 1 Watt Glass Case Zener Diodes. The series provides a wide selection of voltages from 6.8 to 110 volts in a standard DO-41 package. It is designed for robust performance in demanding industrial and defense sectors.

Replacement Considerations

Consult the manufacturer's datasheet for direct equivalents within the same qualification levels. Verify mechanical dimensions and electrical parameters before substituting with other manufacturers' parts.