1N5542DUR-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N5542DUR-1/TR is a low voltage avalanche Zener diode with a nominal breakdown voltage of 24 V. It operates within a steady-state power dissipation of 0.5 W and features a maximum reverse current of 3 µA at 21.6 V. The device exhibits a dynamic impedance of 0.01 Ohms and a forward voltage of 1.1 V at 200 mA. It utilizes a hermetically sealed DO-213AA MELF surface mount package and supports tape and reel packaging.

Single Zener Diodes Feature Summary

• Hermetically sealed glass MELF package construction
• Internal metallurgical bond for enhanced reliability
• Qualified per MIL-PRF-19500/437 military standards
• Inherently radiation hard design

Single Zener Diodes Applications

• Voltage regulation over broad operating temperature ranges
• ESD protection in sensitive circuits
• Radiation-hardened electronic systems

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration to ensure compliance with required tolerance levels, as the D suffix indicates a 1% tolerance variant. Confirm that the TR suffix matches the intended tape and reel handling requirements for automated assembly processes. Cross-reference the RoHS status against project specifications, noting that certain environmental compliances may vary by grade.

Single Zener Diodes Selection Notes

Select this component when high precision voltage regulation is required in space-constrained designs. The MELF package offers superior thermal performance compared to standard plastic packages. Ensure the application environment aligns with the specified junction temperature range and power derating curves to maintain long-term operational stability.

Single Zener Diodes Part Context

This part belongs to the 1N5518BUR-1 through 1N5546BUR-1 series of low voltage avalanche Zener diodes. The series provides a wide selection of voltages from 3.3 to 33 volts. These devices are designed for applications requiring robust performance in harsh environments, leveraging advanced glass passivation techniques.

Single Zener Diodes Replacement Considerations

Equivalent parts include JANTX1N5542CUR-1 and 1N5542C/TR. Verify package compatibility and electrical parameter alignment before substitution.

Single Zener Diodes FAQ

What does the 'D' suffix indicate in the part number?

The 'D' suffix denotes a voltage tolerance of plus or minus 1%, which is tighter than the standard 5% tolerance.

Is the device sensitive to electrostatic discharge?

No, the device is nonsensitive to ESD per MIL-STD-750 Method 1020.