1N4758A_T50R

Overview

The onsemi 1N4758A_T50R is a silicon planar Zener diode housed in a DO-41 glass axial package. It provides a nominal voltage of 56 V with a 5% tolerance and a power dissipation rating of 1 W at 25°C. The device operates within a temperature range of -65°C to +200°C, features a maximum leakage current of 5 µA at 42.6 V, and has a dynamic impedance of 110 Ω at a test current of 4.5 mA.

Feature Summary

• Utilizes silicon planar technology for stable voltage regulation
• Features hermetically sealed glass passivation for reliability
• Designed for general-purpose industrial and commercial applications

Applications

• Voltage regulation circuits
• Clipping and clamping applications
• Reference voltage sources

Procurement Notes

Verify the specific T50R suffix against official documentation to confirm packaging details. Ensure compatibility with existing board layouts by checking lead dimensions and marking requirements. Confirm RoHS compliance status through the manufacturer's latest environmental declarations before finalizing procurement.

Selection Notes

Select this component when a 56 V reference is required in a through-hole configuration. Consider the 1 W power dissipation limit and derating factors above 50°C. Evaluate the 110 Ω dynamic impedance for noise sensitivity in the target application circuit.

Part Context

This part belongs to the 1N4728A through 1N4761A series of high-power Zener diodes manufactured by onsemi. The series utilizes a DO-41 glass case to provide excellent stability and reliability for various electronic designs requiring precise voltage control.

Replacement Considerations

Direct substitutes include other manufacturers' 1N4758A variants. Verify that alternative parts match the 56 V nominal voltage, 1 W power rating, and DO-41 package dimensions to ensure mechanical and electrical interchangeability.