1N4154TR

Overview

The onsemi 1N4154TR is a high conductance fast diode housed in a DO-35 miniature glass axial-leaded package. It features a working inverse voltage of 35 V and an average rectified current rating of 100 mA, with a DC forward current capacity of 300 mA. The device exhibits a typical capacitance of less than 1.0 picofarad and a reverse recovery time of 4.0 ns. Total power dissipation is rated at 500 mW at 25°C ambient temperature, supporting operation up to a junction temperature of 175°C.

Feature Summary

• High forward conductance for efficient signal handling
• Fast switching speed suitable for rapid circuit transitions
• Miniature glass axial-leaded package design

Applications

• General purpose diode applications
• High breakdown voltage circuits
• Fast switching speed requirements

Procurement Notes

Verify the manufacturer origin carefully, as the 1N4154 designation is utilized by multiple semiconductor producers including Fairchild, Vishay, Microchip, and ROHM. Confirm that the specific ordering suffix matches the required packaging format and electrical tolerances. Ensure the component meets the necessary quality standards for your intended application environment before finalizing procurement.

Selection Notes

Select this component when a small form factor is required alongside fast switching capabilities. The DO-35 package provides a robust solution for general-purpose tasks where low capacitance is beneficial. Evaluate the thermal derating factors if operating near maximum temperature limits to ensure long-term reliability under varying load conditions.

Part Context

This component belongs to the standard silicon signal diode family designed for high-speed switching and rectification. It serves as a compact alternative to larger packages while maintaining reliable performance in consumer electronics and industrial control systems. The glass encapsulation offers protection against environmental factors while minimizing physical footprint.

Replacement Considerations

Check datasheets for equivalent parts from other manufacturers to confirm pinout compatibility and electrical parameter alignment. Verify that replacement options meet the same peak surge current and reverse leakage specifications to maintain circuit integrity without redesigning the layout.