1N5255B

Single Zener Diodes Overview

The 1N5255B is a unidirectional voltage regulator diode manufactured by SMC Diode Solutions. It features a silicon construction with a maximum power dissipation of 0.48 W at 25°C ambient temperature. The device provides a nominal Zener voltage of 28 V and is housed in a DO-35 glass axial leaded package. It is designed for applications requiring stable voltage regulation within the specified thermal limits.

Single Zener Diodes Feature Summary

• Glass passivated junction for enhanced stability
• Low Zener impedance characteristics
• Guaranteed high-temperature soldering capability

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the manufacturer origin, as multiple vendors produce this standard part number. Confirm the specific package type matches the design requirements, noting variations between DO-35 glass and other potential housings. Ensure the datasheet aligns with the required electrical tolerances for the intended application.

Single Zener Diodes Selection Notes

Select based on the required 28 V regulation point and 0.48 W power rating. Consider the DO-35 package for through-hole mounting needs. Verify that the low Zener impedance meets the circuit's precision requirements compared to alternative series resistors or different diode types.

Single Zener Diodes Part Context

This component belongs to the general 1N52xx series of Zener diodes, widely used for basic voltage reference and regulation tasks. It represents a standard discrete semiconductor solution for maintaining steady DC levels in electronic circuits.