1N5370BE3/TR13

Overview

The Microchip Technology 1N5370BE3/TR13 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333B-1N5388B series, designed for voltage regulation across a broad operating current and temperature range. It features a nominal Zener voltage of 56 V with a standard ±5% tolerance indicated by the 'B' suffix. The device operates within a temperature range of -65°C to +150°C and includes RoHS compliance via the 'e3' suffix. Packaged in an axial T-18 case with tin-plated leads, it offers low thermal resistance and withstands high surge stresses.

Feature Summary

• Provides stable voltage regulation over a wide operating current and temperature range
• Features flexible axial-lead mounting terminals suitable for through-hole applications
• Withstands high surge stresses and exhibits minimal voltage change versus current
• Constructed with a void-free transfer molded thermosetting epoxy body

Applications

• Voltage regulation circuits requiring robust thermal performance
• Power supply protection against high surge stresses
• General-purpose voltage reference applications in industrial environments

Procurement Notes

Verify component authenticity and datasheet revision status directly with Microchip Technology or authorized distributors. Confirm that the specific ordering suffix matches the required tolerance and packaging configuration. Ensure compatibility with existing thermal management designs due to the 5-watt power dissipation rating. Check for any discontinuance notifications or manufacturing changes affecting this specific part number before finalizing procurement plans.

Selection Notes

Select this component when a 56 V Zener voltage with ±5% tolerance is required for high-power applications. Consider the T-18 axial package for through-hole mounting where adequate heat sinking is available. Evaluate the thermal resistance characteristics to ensure operation within the specified junction-to-lead limits. Verify that the operating environment falls within the -65°C to +150°C temperature range for reliable performance.

Part Context

This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes manufactured by Microchip Technology's Scottsdale Division. The series provides a selection of voltages from 3.3 to 200 volts with various tolerance options identified by suffix letters. These plastic encapsulated devices are JEDEC registered and offer moisture classification Level 1 without requiring dry packing.

Replacement Considerations

Surface mount equivalents are available as SMBJ5370BE3 or SMBG5370BE3. Other voltage variants within the 1N5333B-1N5388B series may be considered if different voltage ratings are acceptable.