1N4757A TR PBFREE

Overview

The Central Semiconductor Corp 1N4757A TR PBFREE is a silicon Zener diode designed for voltage regulation in industrial, commercial, entertainment, and computer applications. It features a nominal Zener voltage of 51 V with a ±5% tolerance, tested at 5.0 mA. The device dissipates up to 1.0 W at 50°C and operates within a temperature range of -65°C to +200°C. It utilizes the DO-41 axial leaded package and includes a maximum reverse current of 5.0 µA at 38.8 V.

Feature Summary

• Highly reliable voltage regulation suitable for demanding environments
• Wide operating and storage temperature capability
• Standardized 5% voltage tolerance for consistent performance

Applications

• Industrial equipment power supplies
• Commercial electronic systems
• Entertainment system circuitry
• Computer hardware components

Procurement Notes

Verify the specific ordering suffix required for your application. The PBFREE designation indicates lead-free plating compliance. Confirm that the DO-41 through-hole package aligns with your PCB layout requirements before finalizing procurement orders.

Selection Notes

Select this component when a stable 51 V reference is needed in high-power dissipation scenarios. Ensure the circuit design accommodates the specified maximum DC current and impedance values. Verify thermal management strategies are adequate for the 1.0 W power rating under expected load conditions.

Part Context

This part belongs to the 1N4728A through 1N4764A series of 1.0 Watt silicon Zener diodes. The series provides a broad range of voltage options from 3.3 V to 100 V, all sharing the same mechanical outline and general electrical characteristics defined by the manufacturer's standard specifications.

Replacement Considerations

No official replacement part numbers are documented for this specific item in the provided datasheet.