1N4734AUR/TR

Single Zener Diodes Overview

The Microchip Technology 1N4734AUR/TR is a surface mountable 1.0 W glass Zener diode in the DO-213AB MELF package. It features a nominal Zener voltage of 5.6 V with a standard tolerance of +/- 5%. The device operates within a temperature range of -65°C to +175°C and includes a maximum dynamic impedance of 5 Ohms at a test current of 45 mA. It is supplied in tape and reel packaging.

Single Zener Diodes Feature Summary

• Hermetically sealed glass MELF package for high reliability
• Surface mount design suitable for high density mounting
• Electrically equivalent to JEDEC registered axial-leaded series

Single Zener Diodes Applications

• Voltage regulation in high density circuits
• Applications requiring low parasitic requirements
• High reliability applications specified by source control drawings

Single Zener Diodes Procurement Notes

Verify that the ordering suffix TR indicates tape and reel packaging as per EIA-481-B standards. Confirm the specific manufacturer documentation, noting historical transitions between Microsemi and Microchip Technology for this component series. Ensure the part meets the required environmental specifications for the intended operating temperature range.

Single Zener Diodes Selection Notes

Select this component when a surface mount solution is required for 1W Zener regulation. The DO-213AB package offers an alternative to the traditional DO-41 axial leaded form factor while maintaining electrical equivalence. Consider the hermetic seal properties if radiation hardness or strict environmental sealing is necessary for the application.

Single Zener Diodes Part Context

This component belongs to the 1N4728AUR through 1N4764AUR series of surface mount Zener diodes. These devices are designed to be electrically similar to the widely used 1N4728A through 1N4764A registration but utilize the JEDEC surface mount outline DO-213AB. The series covers a broad voltage selection from 3.3V to 100V.

Single Zener Diodes Replacement Considerations

The 1N4734A (DO-41) is the electrical equivalent axial-leaded counterpart. For surface mount replacements, verify compatibility with the DO-213AB footprint. Other prefixes like MQ or MX indicate MIL-PRF-19500 screening options.