1N5523D-1E3

Overview

The 1N5523D-1E3 is a single silicon Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 5.1 V with a ±2% tolerance and a maximum power dissipation of 500 mW. The device operates within a junction temperature range of -65°C to +175°C and utilizes a DO-204AH (DO-35) axial through-hole package. Electrical characteristics include a maximum Zener impedance of 26 Ohms at the test current and a reverse leakage current of 2 µA at 2.5 V.

Feature Summary

• Double plug construction for enhanced reliability
• Metallurgically bonded internal structure
• Low noise performance characteristics
• Low reverse leakage current

Applications

• Precision voltage reference circuits
• Overvoltage protection in sensitive electronics
• Clamping applications in signal processing
• Regulator circuits requiring low noise

Procurement Notes

Verify the specific suffix 'E3' indicates RoHS compliance when sourcing. Confirm that the manufacturer designation aligns with Microchip Technology, as historical data may reference other vendors for this base part number. Ensure the package type matches the required DO-35 axial form factor for your PCB layout constraints.

Selection Notes

Select this component when a stable 5.1 V reference with tight tolerance is required. The low noise feature makes it suitable for analog signal paths. Verify that the 500 mW power rating meets the thermal requirements of the application environment. Consider the operating temperature range if the device will be exposed to extreme conditions.

Part Context

This part belongs to the 1N5523 series of low noise Zener diodes. It is functionally related to variants such as 1N5523B and 1N5523C, differing primarily in tolerance and packaging options. The series is designed for high-reliability applications in aerospace and defense sectors.

Replacement Considerations

Direct parameter-equivalent substitutes include 1N5523C and 1N5523D from Microchip Technology. Cross-manufacturer equivalents should be verified against the 5.1 V Zener voltage, 500 mW power rating, and DO-35 package dimensions.