CLL5248B BK PBFREE

Single Zener Diodes Overview

The CLL5248B BK PBFREE is a surface mount silicon Zener diode from Central Semiconductor Corp, housed in an SOD-80 package. It provides a nominal Zener voltage of 18 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW at 50°C and operates within a temperature range of -65°C to +200°C. Electrical characteristics include a maximum reverse current of 0.1 µA at 14 V and a maximum Zener impedance of 21 Ω at the test current of 7.0 mA.

Single Zener Diodes Feature Summary

• Designed as a highly reliable voltage regulator for industrial, commercial, entertainment, and computer applications.
• Features a cathode band marking on the SOD-80 case for polarity identification.
• Complies with RoHS3 specifications and is available in lead-free plating options.

Single Zener Diodes Applications

• Industrial circuit voltage regulation
• Commercial equipment power supplies
• Entertainment system electronics
• Computer application circuits

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix required for your manufacturing process. The 'BK' designation indicates bulk packaging, while 'TR' denotes tape and reel. Confirm that the 'PBFREE' suffix aligns with your environmental compliance standards before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a stable 18 V reference is needed in a compact surface mount footprint. Ensure the design accounts for the 500 mW power dissipation limit at elevated ambient temperatures. Verify that the ±5% voltage tolerance meets the precision requirements of the target circuit design.

Single Zener Diodes Part Context

This part belongs to the CLL5221B through CLL5267B series of surface mount silicon Zener diodes. The series covers a voltage range from 2.4 V to 75 V, offering various voltage options within the same SOD-80 package form factor for consistent board layout across different designs.

Single Zener Diodes Replacement Considerations

Central Semiconductor has transitioned certain high-voltage Zener diodes in the SOD-80 package to End of Life status. Consult official Product Discontinuation Notices (PDN) for confirmed replacement part numbers or alternative sourcing strategies if availability becomes restricted.

Single Zener Diodes FAQ

What is the maximum operating junction temperature for this diode?

The maximum operating and storage temperature range extends up to +200°C.

How is the cathode identified on the physical component?

The cathode is marked by a distinct band on the SOD-80 case.