1N5370AE3/TR8

Overview

The Microchip Technology 1N5370AE3/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 56V and ±10% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum reverse current of 0.5 µA at 40.3V and a dynamic impedance of 35 ohms. The component utilizes an axial-lead T-18 package and includes RoHS compliance indicated by the e3 suffix.

Feature Summary

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

Applications

• Voltage regulation circuits requiring 56V reference
• High power dissipation applications with adequate heat sinking
• Surge protection environments

Procurement Notes

Verify the specific ordering suffixes against official documentation to confirm exact electrical tolerances and packaging configurations. Confirm RoHS compliance status and lead material specifications directly from the manufacturer datasheet before procurement.

Selection Notes

Select this component for applications requiring a 56V Zener reference with ±10% tolerance. Ensure the design accommodates the 5-watt power dissipation rating and provides sufficient thermal management for the specified junction-to-lead thermal resistance.

Part Context

This device belongs to the JEDEC registered 1N5333B through 1N5388B series of axial-leaded 5.0 watt Zeners. The series offers a wide selection of voltages from 3.3 to 200 volts with various tolerance options identified by specific suffix letters on the part number.

Replacement Considerations

Cross-reference with other manufacturers offering 56V 5W Zener diodes in the T-18 package. Verify that alternative components match the required ±10% voltage tolerance and thermal characteristics.