1N5230B

Single Zener Diodes Overview

The SMC Diode Solutions 1N5230B is a unidirectional silicon voltage regulator diode housed in a DO-35 glass axial leaded package. It features a nominal Zener voltage of 4.7 V with a tolerance of ±5% and a maximum power dissipation of 0.5 W. The device operates at a test current of 20 mA, exhibits a maximum dynamic impedance of 19 Ω, and maintains a low reverse leakage current of 5 µA at 2 V. It supports a junction temperature range from -65 °C to +200 °C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for environmental protection
• Double slug type design for high thermal stability
• Low noise characteristics suitable for precision regulation

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the manufacturer designation on the component marking to confirm SMC Diode Solutions origin, as this part number is widely produced by multiple vendors. Ensure the specific suffix matches the required packaging format. Cross-reference datasheets for exact electrical tolerances and thermal ratings before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a through-hole axial package is required for 4.7 V regulation. Compare the 19 Ω dynamic impedance against circuit sensitivity requirements. Verify that the 0.5 W power rating aligns with the expected thermal environment and derating curves for the target application.

Single Zener Diodes Part Context

This component belongs to the standard 1N52xx series of Zener diodes, which are widely used for general-purpose voltage regulation. The 1N5230B specifically targets the 4.7 V segment of this family. It serves as a fundamental discrete semiconductor element for stabilizing voltages in analog and digital electronic systems.

Single Zener Diodes Replacement Considerations

Equivalent parts include Vishay 1N5230B, LRC 1N5230B, and Diodes Inc. 1N5230B-13. These alternatives share identical electrical parameters and DO-35 packaging but may differ in specific manufacturing processes or marking codes.