1N5347B

Overview

The Diotec Semiconductor 1N5347B is a silicon Zener diode utilizing non-planar technology, housed in a DO-201 axial lead package. It provides a nominal Zener voltage of 10 V with a standard tolerance of ±5%. The device supports a maximum power dissipation of 5 W at an ambient temperature of 50°C and operates within a junction temperature range of -50°C to +150°C. Electrical characteristics include a dynamic resistance of 2 Ω measured at a test current of 125 mA, and a reverse leakage current not exceeding 5 µA at a reverse voltage of 125 V.

Feature Summary

• High power dissipation capability up to 5 W for robust thermal performance
• Utilizes non-planar silicon oxide passivated junction technology
• Compliant with RoHS directives and REACH regulations

Applications

• Voltage stabilization circuits
• Voltage regulator designs
• Overvoltage protection applications

Procurement Notes

Verify the specific manufacturer lot and datasheet revision before integration, as component specifications may be subject to change without notice. Confirm that the DO-201 through-hole package aligns with the target PCB footprint and soldering profile requirements. Ensure compliance with project-specific environmental standards regarding halogen-free materials and conflict minerals declarations.

Selection Notes

Select this component when a 10 V reference point is required in high-power through-hole designs. The 5 W rating allows for significant current handling compared to lower-power surface-mount alternatives. Verify that the 2 Ω dynamic impedance meets the ripple rejection requirements of the specific circuit topology being implemented.

Part Context

This part belongs to the 1N5345B through 1N5388B series of 5 Watt Zener diodes manufactured by Diotec Semiconductor. The series covers a wide voltage range from 8.7 V to 200 V, all sharing the same DO-201 mechanical outline and general thermal characteristics. This family is designed for commercial and industrial grade applications requiring reliable voltage regulation.

Replacement Considerations

Cross-manufacturer equivalents such as ON Semiconductor or Motorola 1N5347B parts share identical electrical ratings and pinout configurations. Verify that substitute components maintain the same ±5% voltage tolerance and 5 W power dissipation limits to ensure circuit compatibility.