1N5370BE3/TR8

Overview

The Microchip Technology 1N5370BE3/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 supports 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 changes versus current
• Features flexible axial-lead mounting terminals for secure installation

Applications

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

Procurement Notes

Verify the component's authenticity by checking the manufacturer's marking against official datasheet specifications. Confirm that the RoHS compliant e3 suffix matches the required environmental standards for your assembly process. Ensure the TR8 tape-and-reel format aligns with your automated placement equipment capabilities before finalizing procurement.

Selection Notes

Select this component when a precise 56 V regulation point is required with tight ±5% tolerance. Consider its 5 W power dissipation capability and thermal resistance characteristics for adequate heat sinking. Verify compatibility with existing circuit designs requiring low leakage current and robust surge handling capabilities.

Part Context

This part belongs to the JEDEC registered 1N5333B through 1N5388B series of 5-watt Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V. The B suffix indicates standard ±5% tolerance, while the e3 suffix denotes RoHS compliance. These devices are designed for applications requiring reliable voltage regulation in harsh environments.

Replacement Considerations

Consult the manufacturer's official documentation for verified substitute part numbers or equivalent alternatives within the same product family.