1N5227B-G

Single Zener Diodes Overview

The Comchip Technology 1N5227B-G is a silicon voltage regulator diode housed in the DO-35 glass axial leaded package. It provides a nominal Zener voltage of 3.6 V at a test current of 20 mA with a maximum dynamic impedance of 24 Ohms. The device supports a steady-state power dissipation of 500 mW and operates within a junction temperature range up to 175°C. It features a maximum reverse leakage current of 50 µA at 6 V and exhibits a negative temperature coefficient of -0.065 %/K.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using an epitaxial silicon planar structure.
• Encapsulated in hermetically sealed glass for environmental protection.
• Features polarity indication via a cathode band on the component body.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clipping and clamping applications

Single Zener Diodes Procurement Notes

Verify that the ordering suffix '-G' corresponds to RoHS compliance as indicated by the manufacturer datasheet. Confirm the specific package dimensions match the DO-35 standard before integration. Ensure thermal management aligns with the specified derating curves for ambient temperatures exceeding 25°C.

Single Zener Diodes Selection Notes

Select this component when a precise 3.6 V reference is required in a through-hole configuration. Consider the negative temperature coefficient for thermal stability requirements. Evaluate the 500 mW power rating against expected load conditions to ensure operation remains within safe thermal limits.

Single Zener Diodes Part Context

This part belongs to the 1N5221B-G through 1N5267B-G series, which covers a wide voltage range from 2.4 V to 75 V. All members share the same DO-35 glass axial package and 500 mW power dissipation capability, differing primarily in their specific Zener voltage ratings and associated impedance characteristics.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering the JEDEC registered 1N5227B designation. Verify that substitute parts maintain the DO-35 footprint and 500 mW rating. Check for equivalent Zener voltage tolerance and dynamic impedance specifications to ensure circuit compatibility.

Single Zener Diodes FAQ

What is the temperature coefficient for the 1N5227B-G?

The temperature coefficient is -0.065 %/K at the test current of 20 mA.

How is the polarity identified on the component?

Polarity is indicated by a cathode band marked on the glass body of the diode.