1N4113/TR

Single Zener Diodes Overview

The Microchip Technology 1N4113/TR is a 500 mW metallurgically bonded glass Zener diode in the axial-lead DO-35 package. It provides a nominal Zener voltage of 19 V with a test current of 250 µA and maximum impedance of 150 Ohms. The device operates within a temperature range of -65 °C to +175 °C, features a maximum reverse current of 40 µA, and exhibits a temperature coefficient of +0.090 %/°C.

Single Zener Diodes Feature Summary

• Hermetically sealed construction utilizing an internal metallurgical bond for high reliability.
• Capable of regulating voltage across broad ranges of current and temperature variations.
• Offers minimal capacitance characteristics suitable for specific circuit requirements.

Single Zener Diodes Applications

• Voltage regulation in high-reliability military and aerospace systems
• Reference voltage sources requiring stable performance over wide temperature ranges
• Protection circuits in radiation-hardened electronic assemblies

Single Zener Diodes Procurement Notes

Verify that the ordering suffix TR corresponds to tape and reel packaging as specified in the datasheet nomenclature section. Confirm the required reliability level (JAN, JANTX, JANTXV, or JANS) matches the application needs, as these levels are distinct from commercial grades. Ensure the component meets MIL-PRF-19500/435 qualification standards if applicable to your system design.

Single Zener Diodes Selection Notes

Select this component when a precise 19 V reference is needed in a through-hole glass package. Consider the positive temperature coefficient for thermal compensation strategies. Evaluate the 500 mW power dissipation limit against expected operating currents to ensure safe derating margins above 50 °C lead temperature.

Single Zener Diodes Part Context

This part belongs to the 1N4099-1 through 1N4135-1 series of 500 mZener diodes. These devices are JEDEC registered and available in various reliability qualifications including JANS for space applications. The series covers voltages from 1.8 V to 100 V, providing a comprehensive selection for diverse voltage regulation needs in axial-lead packages.

Single Zener Diodes Replacement Considerations

Direct replacements include other 1N4113 variants from different manufacturers meeting the same electrical specifications. Cross-reference with 1N4113-1 equivalents ensuring identical DO-35 package dimensions and metallurgical bond construction. Verify compatibility with existing board layouts and soldering profiles for axial-leaded components.