1N5248B-1E3

Single Zener Diodes Overview

The Microchip Technology 1N5248B-1E3 is a single Zener diode with an 18 V nominal voltage and 5% tolerance. It operates in the DO-35 axial leaded package, dissipating up to 500 mW. The device features a maximum reverse leakage current of 100 nA and a Zener impedance of 21 Ohms at a test current of 7 mA. It withstands temperatures from -65 C to +200 C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within tight tolerances for precision circuits
• Constructed with glass axial-leaded encapsulation for robust physical protection
• Capable of reliable operation across extreme temperature ranges

Single Zener Diodes Applications

• Voltage reference standards
• Overvoltage protection circuits
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific suffix against official datasheets to confirm exact tolerance and screening levels. Ensure the procurement channel provides traceability documentation required for aerospace or defense specifications. Confirm RoHS compliance status matches project requirements before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when a precise 18 V reference is needed in a compact axial package. Consider the 500 mW power dissipation limit and thermal management needs. Evaluate the low leakage current characteristics for high-impedance circuit designs requiring minimal bias current draw.

Single Zener Diodes Part Context

This part belongs to the standard 1N52xx series of 0.5 W Zener regulators. These components are widely used in industrial and commercial electronics for basic voltage regulation tasks. The series offers various voltage options within the same standardized package footprint.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N5248 equivalents. Verify pinout compatibility and ensure equivalent Zener impedance and leakage specifications match the original design constraints.