1N5244B-G

Single Zener Diodes Overview

The Comchip Technology 1N5244B-G is a unidirectional silicon Zener diode housed in the DO-35 glass axial leaded package. It provides a nominal Zener voltage of 28 V at a test current of 9 mA, with a maximum dynamic impedance of 44 Ω and a maximum reverse leakage current of 0.1 µA at 1 V. The device supports a maximum power dissipation of 500 mW at 25°C, operates within a junction temperature range up to 175°C, and maintains a storage temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation utilizing an epitaxial silicon construction.
• Features low forward voltage drop characteristics for efficient operation.
• Includes polarity indication via a distinct cathode band on the glass case.

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify that the ordering suffix matches the specific manufacturer's designation requirements. Confirm RoHS compliance status and packaging format against the official datasheet specifications before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 28 V regulation point is required within a standard axial leaded form factor. Ensure the circuit design accommodates the specified thermal resistance and power derating curves for reliable long-term performance.

Single Zener Diodes Part Context

This part belongs to the 1N5221B-G through 1N5267B-G series of axial leaded glass Zener diodes manufactured by Comchip Technology. The series covers a wide voltage range from 2.4 V to 75 V, all sharing identical mechanical dimensions and maximum rating profiles within the DO-35 package.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5244B equivalents to ensure pinout compatibility and electrical parameter alignment. Verify that substitute parts meet the same DO-35 mechanical constraints and thermal ratings.

Single Zener Diodes FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 175°C.

How is the cathode polarity identified?

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