1N5338B-TP

Single Zener Diodes Overview

The MCC 1N5338B-TP is a single Zener diode with a nominal voltage of 5.1 V and a maximum power dissipation of 5 W, housed in the DO-15 axial leaded package. It features a ±5% voltage tolerance and operates within a junction temperature range of -55°C to +200°C. Key electrical parameters include a maximum dynamic impedance of 1.5 Ohms at a test current of 240 mA, a maximum reverse leakage current of 1 µA at 1 V, and a maximum forward voltage of 1.2 V at 1 A.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a wide operating current and temperature range
• Features low thermal resistance design for high maximum DC currents with adequate heat sinking
• Epoxy encapsulation meets UL 94 V-0 flammability rating

Single Zener Diodes Applications

• Voltage regulation circuits
• Surge protection applications
• Power supply reference designs

Single Zener Diodes Procurement Notes

Verify that the component matches the specific 5.1 V Zener voltage and 5 W power rating requirements. Confirm the DO-15 through-hole package compatibility with the target PCB layout. Ensure the ordering suffix aligns with the required packaging format, such as tape and reel or bulk quantities, as specified by the manufacturer's documentation.

Single Zener Diodes Selection Notes

Select this component when a precise 5.1 V reference is needed with a 5 W power handling capability. The DO-15 package supports robust mounting for higher power dissipation compared to smaller surface-mount alternatives. Consider the thermal resistance characteristics and derating curves to ensure reliable operation under expected load conditions.

Single Zener Diodes Part Context

This device belongs to the 1N5338B through 1N5388B series of 5-watt Zener diodes manufactured by Micro Commercial Components. The series covers a broad voltage selection from 5.1 V to 200 V, utilizing a standardized DO-15 axial leaded package. These components are designed for general-purpose voltage regulation and surge suppression tasks in electronic circuits.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers: 1N5338BRLG (onsemi).