1N5248B BK PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5248B BK PBFREE is a silicon Zener diode designed for voltage regulation in industrial, commercial, entertainment, and computer applications. It operates within the 1N5221B through 1N5278B series, featuring a nominal Zener voltage of 18 V with a ±5% tolerance. The device dissipates 500 mW at a lead temperature of 75°C and maintains an operating junction temperature range from -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 21 Ω at a test current of 7.0 mA, a maximum reverse current of 0.1 μA at 14 V, and a maximum temperature coefficient of +0.085 %/°C.

Single Zener Diodes Feature Summary

• Provides highly reliable voltage regulation suitable for diverse electronic environments
• Features a standard DO-35 axial through-hole package configuration
• Ensures precise voltage control with a tight ±5% tolerance band

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify component authenticity by checking for the 'C' prefix marking or specific code on the device body. Confirm the 'PBFREE' suffix indicates lead-free plating compliance. Ensure the 'BK' designation matches bulk packaging requirements. Validate that the specific part number aligns with the manufacturer's current production status before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a stable 18 V reference is required in low-power circuits. The DO-35 package facilitates easy integration into through-hole designs. Consider the positive temperature coefficient for thermal stability analysis. Evaluate the 500 mW power dissipation limit against expected load conditions to ensure safe operation within specified junction temperatures.

Single Zener Diodes Part Context

This component belongs to the Central Semiconductor 1N5221B through 1N5278B series of silicon Zener diodes. The series covers a wide voltage range from 2.4 V to 170 V, all housed in the DO-35 case. These devices are engineered for general-purpose voltage regulation tasks across multiple industry sectors, offering consistent performance and reliability.

Single Zener Diodes Replacement Considerations

No public confirmed substitute part numbers are available for this specific model.