1N5250B-G

Single Zener Diodes Overview

The Comchip Technology 1N5250B-G is an axial leaded glass Zener diode with a nominal voltage of 20 V and a power dissipation rating of 500 mW. It features a 5% voltage tolerance, a maximum reverse leakage current of 1 µA at 30 V, and a test current of 4.6 mA. The device operates within a junction temperature range of -65°C to +175°C and utilizes a DO-35 package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in a metallurgically bonded glass encapsulation.
• Features a sharp reverse characteristic for precise clamping applications.
• Includes polarity indication via a cathode band on the glass body.

Single Zener Diodes Applications

• Voltage stabilization circuits
• Overvoltage protection
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify that the ordering suffix '-G' confirms RoHS compliance as specified by the manufacturer. Confirm the package type matches the required DO-35 axial lead configuration. Ensure the component meets the specific thermal resistance requirements for the intended ambient operating conditions.

Single Zener Diodes Selection Notes

Select this component when a 20 V reference is required with tight 5% tolerance. Consider the 500 mW power limit and derating curve for high-temperature environments. Verify compatibility with through-hole mounting processes due to the axial lead construction.

Single Zener Diodes Part Context

This part belongs to the 1N5221B-G through 1N5267B-G series of 0.5 W Zener voltage regulators. The series covers voltages from 2.4 V to 75 V in a standard JEDEC registered format, providing a wide selection for various low-power regulation needs.

Single Zener Diodes Replacement Considerations

Equivalent parts include the Vishay 1N5250B and Microchip 1N5250B. Verify pinout orientation and package dimensions before substitution.

Single Zener Diodes FAQ

What is the maximum reverse leakage current for the 1N5250B-G?

The maximum reverse leakage current is 1 µA when measured at 30 V.

How is the polarity indicated on the 1N5250B-G?

Polarity is indicated by a cathode band printed on the glass case.