1N4148WT-7

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The 1N4148WT-7 is a very common small signal diode. It is most often used as a general purpose rectifier. It is one of the most widely used and versatile diodes on the market. It is designed to meet a wide variety of application requirements such as general rectification, voltage regulation, signal clipping and switching.

Introduction

The 1N4148WT-7 is a high-speed switching diode that can handle power up to 1A. It is also a general purpose rectifier. It is one of the most popular and widely used diodes on the market due to its versatile features and reliability.

Features

The 1N4148WT-7 is a high-speed switching silicon diode with a peak repetitive reverse voltage of 50V and a peak forward current of 1A. It has a forward voltage drop of 0.45V, which is relatively low in comparison to other diodes. It has a very fast recovery time of 30ns, a total capacitance of 8.3pF, and an insulation resistance of 5MΩ. Additionally, it has an operating temperature range of -65°C to +150°C and offers good hermetically sealed reliability.

Application Fields

1N4148WT-7 diodes are useful in automotive, telecommunications, and industrial applications. In automotive applications they are used for voltage protection, current sensing and signal switching. In telecommunications, they are used for protecting audio and video circuits from damage due to excessive current. In industrial applications, they are used for resetting microcontroller circuits, signal switching and for providing voltage protection.

Working Principle

A diode will only allow current to move in one direction and will block current from moving the opposite direction. When the anode is connected to a more positive potential than the cathode, current will flow from anode to cathode. This is called forward bias. However, if the anode is connected to a more negative potential than the cathode, current will not flow, blocking any current from flowing the opposite direction. This is called reverse biasing. This is the main principle that dictates a diode’s function.

The 1N4148WT-7 is a general purpose rectifier. This means that it will allow current to flow from anode to cathode when forward biased, and it will block current from flowing from cathode to anode when reverse biased. This makes it a useful component for applications that require both on/off control of current flow and voltage protection.

Conclusion

The 1N4148WT-7 is a very common diode used in many different applications and circuits. It is a high-speed switching silicon diode with a peak reverse voltage of 50V and a peak forward current of 1A. It offers good hermetically sealed reliability and has a wide operating temperature range. The 1N4148WT-7 is most often used as a general purpose rectifier. It is a useful component for applications that require both on/off control of current flow and voltage protection.

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