1N5343E3/TR8

Single Zener Diodes Overview

The Microchip Technology 1N5343E3/TR8 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 7.5 V with a standard tolerance of ±5%. The device operates in a through-hole T-18 package and supports an operating temperature range from -65°C to +150°C. Key electrical characteristics include a test current of 175 mA, a maximum dynamic impedance of 1.5 ohms, and a maximum reverse current of 10 µA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Withstands high surge stresses and exhibits minimal voltage change versus current
• Features flexible axial-lead mounting terminals for secure installation
• Constructed with a void-free transfer molded thermosetting epoxy body

Single Zener Diodes Applications

• Voltage regulation circuits requiring robust thermal performance
• Power supply reference applications
• Protection against overvoltage conditions in industrial equipment

Single Zener Diodes Procurement Notes

Verify the component origin as this part was originally manufactured by Microsemi, now part of Microchip Technology. Confirm that the specific suffixes match the required tolerance and packaging format. Ensure compliance with RoHS standards if applicable to the design requirements. Check for any discontinuance notifications or lifecycle status updates before finalizing procurement plans.

Single Zener Diodes Selection Notes

Select this component when a 5-watt power dissipation rating is necessary for high-current regulation tasks. The T-18 through-hole package is suitable for designs requiring mechanical stability and heat sinking capabilities. Consider the ±5% tolerance if precise voltage referencing is not critical, or explore tighter tolerance variants within the same series if higher accuracy is required.

Single Zener Diodes Part Context

This device belongs to the 1N5333B through 1N5388B series of silicon Zener diodes. These components are designed for general-purpose voltage regulation in demanding environments. The series offers a wide selection of voltages ranging from 3.3V to 200V, allowing designers to choose appropriate ratings for various circuit applications while maintaining consistent physical and thermal characteristics.

Single Zener Diodes Replacement Considerations

Equivalent parts within the 1N5333-5388B series may be considered if voltage and tolerance specifications align. Verify that any substitute maintains the 5-watt power rating and compatible package dimensions for direct replacement.