1N5250B

Single Zener Diodes Overview

The Microchip Technology 1N5250B is a 500 mW glass axial-lead Zener diode housed in a DO-35 package. It provides a nominal Zener voltage of 20 V with a standard tolerance of ±5%. The device operates within a temperature range of -65°C to +175°C and features a maximum reverse current of 100 μA at 17 V. Electrical characteristics include a test current of 6.2 mA, a maximum Zener impedance of 14 Ohms, and a voltage temperature coefficient of +0.086 %/°C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-lead construction for environmental stability
• Capable of regulating voltage across a broad operating current and temperature range
• Inherently radiation hard per MicroNote 050
• Non-sensitive to electrostatic discharge

Single Zener Diodes Applications

• Voltage regulation in industrial circuits
• Reference voltage sources in aerospace systems
• Overvoltage protection in defense electronics

Single Zener Diodes Procurement Notes

Verify the specific suffix requirements against the datasheet before ordering. Confirm whether military screening prefixes or RoHS compliance options are necessary for the intended application environment. Ensure that the procurement documentation matches the JEDEC registered type number specifications provided by the manufacturer.

Single Zener Diodes Selection Notes

Select this component when a precise 20 V reference is required in a through-hole design. Consider the thermal resistance and power derating curves if operating near the maximum junction temperature limits. Evaluate the ±5% tolerance against circuit sensitivity requirements compared to tighter tolerance alternatives.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5 watt Zener Voltage Regulators. The series offers a wide selection of voltages from 2.4 to 200 volts in standard DO-35 packages. It serves as a fundamental discrete semiconductor component for stable voltage control in various electronic assemblies.

Single Zener Diodes Replacement Considerations

Equivalent surface mount versions are available in the MLL5221 to MLL5281B series using the DO-213AA MELF package. Other manufacturers may offer compatible parts under different JEDEC numbering schemes.