H413R7BZA

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Through hole resistors are an integral part of many electronic circuits, and H413R7BZA is a type of resistor in this category. This device is used mainly for current limiting and potential divider applications, in both military and commercial applications. The resistance range of the H413R7BZA is between 4.7Ω and 7.5Ω, and its power rating is 1W at 70°C.

Construction

The construction of a H413R7BZA is similar to the traditional through-hole resistor. It consists of a cylindrical metal body which is mounted on the PCB and filled with a mixture of carbon and a blend of ceramic materials. The mixture is then heated and fused, forming a ceramic-carbon resistor. The length of the device is standard, with the end of it usually protruding from the PCB surface. The diameter of the body is also standardized, usually ranging from 5 to 7mm. The resistive element of the H413R7BZA is attached to the dielectric insulating material at the back of the device, while its leads are connected to a discrete ceramic cap. This arrangement ensures that the resistive element is well isolated from the surrounding environment.

Operation

The working principle of the H413R7BZA is based on the basic laws of electricity, which states that current flows in a circuit when a potential is applied across it. The resistive element of the H413R7BZA creates a barrier for current flow; the size of this barrier is determined by its resistance. As a result, when a certain potential is applied, the current flowing through the device is limited to a predetermined level. This type of device is used mainly for current limiting and potential divider applications.

Applications

H413R7BZA is suitable for use in both military and commercial applications. Generally speaking, it is used in applications where a high resistance value is required, such as in power supplies and battery chargers. It is also used for signal conditioning applications, including heat detectors, smoke detectors, and other sensing devices. Furthermore, it is also used in circuit building projects for protection against transient over-voltages.

Advantages

The main advantage of the H413R7BZA over other types of through hole resistors is its high resistance range. This type of device is also more resistant to mechanical shock and vibration than other resistors, making it ideal for use in military and other demanding applications. Additionally, this type of device is relatively low cost when compared to its equivalent in a surface mount package.

Disadvantages

The main disadvantage of the H413R7BZA is its large package size. This makes it difficult to use in very tight spaces, such as in mobile phones or other portable devices. Additionally, the resistance range of this type of device is limited, which means that it is not suitable for applications that require precise control over the resistance value.

Conclusion

H413R7BZA through hole resistors are widely used in both military and commercial applications due to their high resistance range and reliable performance. They are mainly used for current limiting and potential divider applications. However, they are limited by their large package size and limited resistance range, making them unsuitable for some applications.

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