1N5370AE3/TR13

Overview

The Microchip Technology 1N5370AE3/TR13 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 56V with a ±10% tolerance, indicated by the 'A' suffix. The device features an axial T-18 package and RoHS compliance via the 'e3' suffix. Electrical characteristics include a maximum dynamic impedance of 35 ohms and a maximum reverse current of 0.5 µA. It operates within a temperature range of -65°C to +150°C.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Withstands high surge stresses and offers minimal changes in voltage versus current
• Features flexible axial-lead mounting terminals for standard through-hole applications

Applications

• Voltage regulation circuits requiring 5W power dissipation
• Power supply protection against transient overvoltages
• Reference voltage generation in industrial equipment

Procurement Notes

Verify the component matches the specific 1N5370AE3/TR13 designation to ensure correct voltage and tolerance. Confirm the presence of the e3 suffix for lead-free compliance and TR suffix for tape-and-reel packaging. Check manufacturer documentation for any updates regarding product discontinuance or alternative screening levels before finalizing procurement plans.

Selection Notes

Select this component when a 56V Zener voltage with ±10% tolerance is required in a 5-watt axial package. Ensure the application allows for adequate heat sinking to manage the 5-watt power dissipation rating. Consider the thermal resistance specifications if mounting on FR4 PCBs without direct lead heat sinking.

Part Context

This part belongs to the Microsemi (now Microchip) 1N5333B through 1N5388B series of silicon Zener diodes. The series covers a wide voltage range from 3.3V to 200V. The 1N5370 variant specifically targets the 56V regulation point. The e3 suffix denotes RoHS compliance, while the TR13 suffix indicates reel packaging per EIA-296 standards.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.