1N4743A-TAP

Overview

The Vishay General Semiconductor - Diodes Division 1N4743A-TAP is a silicon planar power Zener diode in the 1N4728A to 1N4761A series. It features a nominal Zener voltage of 13 V with a standard tolerance of ±5 %. The device operates at a test current of 19 mA and dissipates up to 1300 mW. Packaged in DO-41 (DO-204AL), it supports through-hole mounting, withstands junction temperatures up to 175 °C, and has a maximum reverse leakage current of 5 μA.

Feature Summary

• Silicon planar construction for high-power stabilization and clipping applications
• Standard Zener voltage tolerance of ±5 %
• Single circuit configuration

Applications

• Voltage stabilization circuits
• High power rating clipping circuits

Procurement Notes

Verify the specific manufacturer part number against official datasheets before procurement. Confirm that the TAP suffix corresponds to the taped unit packaging format as defined by the manufacturer's ordering information. Ensure compliance with RoHS and REACH requirements by checking the latest documentation provided by Vishay Semiconductors.

Selection Notes

Select this component for applications requiring stable voltage regulation within the 1N47xx series range. Consider the 1300 mW power dissipation limit and the thermal resistance characteristics when designing heat management strategies. Verify that the 13 V nominal voltage aligns with the target circuit requirements.

Part Context

This component belongs to the 1N4728A to 1N4761A series of Zener diodes manufactured by Vishay Semiconductors. These devices are designed for general-purpose voltage regulation tasks. The series utilizes silicon planar technology to ensure consistent performance across various operating conditions.

Replacement Considerations

Cross-reference with other manufacturers offering equivalent 13 V, 1 W Zener diodes in the DO-41 package. Ensure electrical parameters such as Zener voltage tolerance and power dissipation match or exceed the original specifications.