1N4751A BK PBFREE

Overview

The Central Semiconductor Corp 1N4751A BK PBFREE is a silicon Zener diode designed for voltage regulation. It features a nominal Zener voltage of 30 V with a ±5% tolerance, tested at 8.5 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 through-hole package and includes a maximum reverse current of 5.0 µA.

Feature Summary

• Provides stable voltage regulation using silicon Zener technology
• Features a glass passivated junction for high reliability
• Designed for industrial, commercial, and computer applications

Applications

• Industrial equipment voltage regulation
• Commercial power supply circuits
• Computer system protection

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm compliance requirements. Confirm the exact package type and lead configuration match design specifications before procurement. Ensure environmental declarations align with project constraints.

Selection Notes

Select this component when a precise 30 V reference is required in a standard axial package. Evaluate thermal management capabilities to ensure the 1.0 W dissipation rating remains within safe operating limits under expected load conditions.

Part Context

This part belongs to the 1N4728A through 1N4764A series of 1.0 Watt silicon Zener diodes. The series covers a wide voltage range from 3.3 V to 100 V, all sharing identical mechanical outlines and general electrical characteristics defined by the manufacturer datasheet.

Replacement Considerations

No official replacement part numbers are documented for this specific model in the provided source material.