1EZ300D5-TP

Overview

The 1EZ300D5-TP is a Zener diode manufactured by Micro Commercial Components (MCC). It features a nominal Zener voltage of 300 V and a maximum power dissipation of 1 W. The device utilizes a DO-41 axial through-hole package with a ±5% voltage tolerance. Key electrical characteristics include a maximum reverse leakage current of 5 µA at 25.1 V, a forward voltage of 1.2 V at 200 mA, and a maximum Zener impedance of 45 Ohms. The component operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Provides stable voltage regulation in the high-voltage range up to 300 V
• Designed for through-hole mounting using the standard DO-41 axial leaded package
• Capable of handling a continuous power dissipation of 1 W
• Maintains operation across an extended industrial temperature spectrum

Applications

• High-voltage power supply regulation circuits
• Overvoltage protection stages in electronic systems
• Voltage reference applications requiring stable DC levels
• Clamping circuits for transient voltage suppression

Procurement Notes

Verify the specific manufacturing date code and lot traceability upon order confirmation, as this component may be subject to discontinuation notices or limited availability from the manufacturer. Confirm RoHS compliance status directly with the supplier prior to finalizing procurement decisions to ensure adherence to environmental regulations applicable to your region.

Selection Notes

Select this component when a single axial Zener diode is required for high-voltage regulation tasks exceeding typical low-voltage ranges. Ensure the circuit design accommodates the 1 W power rating and that the PCB layout supports the DO-41 footprint dimensions. Verify that the system's operating temperature remains within the specified -55°C to +150°C junction range for reliable performance.

Part Context

This part belongs to the MCC 1EZ series of Zener diodes, which are characterized by their robust axial leaded construction suitable for general-purpose electronics. The series offers various voltage options within the 1 W power dissipation class, providing designers with standardized components for voltage regulation and protection needs across diverse industrial and commercial applications.

Replacement Considerations

Public confirmed substitute part numbers include 1N4752AP-TP from MCC and 1N5937AG from Microchip Technology. These alternatives offer parameter equivalence for direct replacement in existing designs.