JAN1N4464CUS/TR

Single Zener Diodes Overview

The JAN1N4464CUS/TR is a surface mount Zener voltage regulator with a nominal breakdown voltage of 9.1 V and a 2% tolerance, indicated by the 'C' suffix. It operates within a junction temperature range of -65°C to +175°C and dissipates up to 1.5 W at 25°C ambient. The device features a void-less hermetically sealed glass MELF package (A-Package-2) with an internal metallurgical bond. Electrical characteristics include a maximum dynamic impedance of 4 Ohms at a test current of 28 mA, a maximum reverse leakage current of 0.3 µA at 5 V, and a maximum continuous current of 157 mA.

Single Zener Diodes Feature Summary

• Hermetically sealed void-less glass construction with tungsten slugs for robust environmental protection
• Internal Category 1 metallurgical bonds ensuring high reliability in critical applications
• Triple-layer passivation providing inherent radiation hardness and ESD immunity
• Military qualification per MIL-PRF-19500/406 for JAN, JANTX, JANTXV, and JANS levels

Single Zener Diodes Applications

• High-reliability aerospace and defense circuits where failure cannot be tolerated
• Voltage regulation over broad operating current and temperature ranges
• Radiation-hardened electronic systems requiring stable breakdown voltages

Single Zener Diodes Procurement Notes

Verify that the specific ordering suffix matches the required military qualification level and tolerance code. Confirm RoHS compliance status, as commercial versions differ from qualified levels. Ensure the MELF tape and reel packaging aligns with automated assembly requirements. Validate datasheet revisions against current Microsemi documentation before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a precise 9.1 V reference is needed in a surface mount form factor. The 2% tolerance offers tighter control than standard 5% variants. Consider the 1.5 W power dissipation limit and thermal resistance values for heat management. Verify compatibility with existing PCB pad layouts designed for A-Package-2 MELF components.

Single Zener Diodes Part Context

This part belongs to the 1N4460US through 1N4496US series of 1.5 Watt Zener diodes. It shares the same void-less hermetic glass package and metallurgical bonding technology as other devices in the family. The series provides Zener selections ranging from 3.3 to 200 volts with various tolerance options available across different qualification levels.

Single Zener Diodes Replacement Considerations

Direct substitutes include other JAN1N4464US variants with matching tolerance codes. Cross-reference with JANTX or JANS levels if higher reliability grades are required. Commercial equivalents lack hermetic sealing and military qualification.