1N5245B-T

Single Zener Diodes Overview

The Diodes Incorporated 1N5245B-T is a discontinued 500mW epitaxial Zener diode housed in a DO-35 glass axial-lead package. It provides a nominal Zener voltage of 15V with a ±5% tolerance and operates within a temperature range of -65°C to +175°C. The device features a maximum reverse current of 0.1µA at 11V, a Zener impedance of 16Ω at the test current of 8.5mA, and a positive temperature coefficient of +0.082%/°C.

Single Zener Diodes Feature Summary

• Utilizes an epitaxial silicon construction for high stability
• Features a hermetically sealed glass DO-35 case
• Includes a lead-free finish compliant with RoHS directives

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

This component is officially marked as obsolete and discontinued by the manufacturer. Verify availability through authorized distributors or secondary markets. Confirm that the specific lot matches the original specifications, as replacements may differ in packaging or screening levels. Ensure compliance with end-use regulations before procurement.

Single Zener Diodes Selection Notes

Select this part only if legacy compatibility is required. For new designs, consider surface mount equivalents such as the MMSZ52xxB series recommended by the manufacturer. Evaluate thermal resistance and power derating requirements carefully, as the DO-35 package has limited heat dissipation capabilities compared to modern SMD options.

Single Zener Diodes Part Context

The 1N5245B belongs to the 1N5221B through 1N5267B series of 500mW Zener diodes produced by Diodes Incorporated. This series offers a wide selection of voltages from 2.4V to 75V in standard 5% tolerances. The -T suffix indicates tape and reel packaging for automated assembly processes.

Single Zener Diodes Replacement Considerations

The datasheet explicitly recommends using the MMSZ52xxB series as a replacement. These are surface mount equivalents available in smaller packages. Verify electrical parameters match the original design requirements when transitioning to the suggested alternative.

Single Zener Diodes FAQ

What is the status of the 1N5245B-T?

The part is officially obsolete and discontinued by Diodes Incorporated.

What is the recommended replacement for this component?

The datasheet advises using the MMSZ52xxB series as the primary replacement option.