1N5370E3/TR8

Overview

The Microchip Technology 1N5370E3/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 56 V and ±5% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum reverse current of 0.5 µA at 40.3 V and a dynamic impedance of 35 Ω. The device utilizes an axial-lead T-18 package and includes the e3 suffix for RoHS compliance and TR8 for tape-and-reel packaging.

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 suitable for through-hole applications

Applications

• Voltage regulation in power supply circuits
• Overvoltage protection for sensitive electronic components
• Reference voltage generation in measurement systems

Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm RoHS compliance and reel specifications. Confirm that the component meets all environmental and electrical requirements for the intended application before procurement.

Selection Notes

Select this component for applications requiring robust 5-watt power dissipation and precise voltage regulation. Ensure adequate heat sinking is provided to maintain performance within the specified thermal limits during operation.

Part Context

This part belongs to the JEDEC registered 1N5333B through 1N5388B series of axial-leaded 5.0 watt Zener diodes. 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

Surface mount equivalents are available as SMBJ5370 or SMBG5370. Verify mechanical fit and thermal characteristics when substituting with these surface mount packages.