1N5228BTR

Single Zener Diodes Overview

The onsemi 1N5228BTR is a Zener diode with a nominal voltage of 3.9 V and a tolerance of ±5%. It operates within a power dissipation range of up to 500 mW at 25°C, derating by 4.0 mW/°C above this temperature. The device features a dynamic impedance (ZZ) of 23 Ω at an test current of 20 mA and a reverse leakage current of 1.0 µA at 1.0 V. It utilizes an axial lead package (DO-204AH variation) and is supplied in tape and reel packaging.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a silicon junction structure
• Features hermetically sealed glass encapsulation for environmental protection
• Designed for high reliability with specified thermal stability characteristics

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Clamping applications for signal line stabilization

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix matches the required packaging configuration. Confirm that the component meets all applicable regulatory standards for the intended deployment region. Ensure compatibility with existing thermal management designs given the power dissipation limits.

Single Zener Diodes Selection Notes

Select based on the required nominal voltage and tolerance specifications. Consider the operating temperature range and maximum power dissipation capabilities relative to the circuit environment. Evaluate the package type against available board space and mounting requirements.

Single Zener Diodes Part Context

This component belongs to the 1N5221B through 1N5252B series of Zener diodes manufactured by onsemi. The series offers a wide selection of voltage values ranging from 2.4 V to 24.0 V. These devices are designed for general-purpose voltage regulation and protection applications.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering equivalent 3.9 V Zener diodes in the DO-204AH package. Verify electrical parameters such as dynamic impedance and leakage current match the original design requirements.