1N5228B-G

Single Zener Diodes Overview

The Comchip Technology 1N5228B-G is a silicon unidirectional voltage regulator diode housed in a glass DO-35 axial leaded package. It provides a nominal Zener voltage of 3.9 V at a test current of 20 mA with a maximum dynamic impedance of 23 Ohms. The device supports a steady-state power dissipation of 500 mW and maintains a junction temperature range from -65 °C to +175 °C. It features a maximum reverse leakage current of 10 µA at 6.5 V and exhibits a negative temperature coefficient of -0.060 %/K.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within the 2.4 V to 75 V range using a glass axial-leaded DO-35 case.
• Features polarity indication via a cathode band on the component body.
• Supports through-hole mounting with solderable terminals compliant with MIL-STD-202 Method 208.

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 datasheet title. Confirm the manufacturer is Comchip Technology CO., LTD. Ensure the package matches the DO-35 glass axial leaded specification. Check for the presence of the cathode band marking code '1N5228B'. Validate electrical parameters against the specific test conditions listed in the official documentation.

Single Zener Diodes Selection Notes

Select this component when a 3.9 V regulation point is required in a through-hole design. The 500 mW power rating allows for moderate current handling. Consider the -0.060 %/K temperature coefficient for thermal stability requirements. The DO-35 package offers standard lead spacing suitable for general-purpose PCB layouts.

Single Zener Diodes Part Context

This part belongs to the 1N5221B-G through 1N5267B-G series of 0.5 W Zener diodes manufactured by Comchip Technology. The series covers voltages from 2.4 V to 75 V in the same DO-35 glass package. These devices are designed for general-purpose voltage regulation and protection tasks in commercial electronics.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering the JEDEC registered 1N5228B specification. Verify that substitute parts match the 3.9 V nominal voltage, 500 mW power dissipation, and DO-35 package dimensions. Ensure equivalent dynamic impedance and leakage current characteristics are met.