RN55D2840FB14

Through Hole Resistors encompass a variety of technologies and symbologies, each with its own electrical, thermal and mechanical characteristics. One technology, the RN55D2840FB14, is a thick-film metal-oxide resistor, which is used in a number of applications. In this article, we\'ll explore the application field and working principle of RN55D2840FB14.

The RN55D2840FB14 is an axial-leaded, surface-mounted thick-film resistor. It has a maximum power rating of 0.1watts and a maximum rated voltage of 250vdc. It is constructed from metal and ceramic materials and is rated B grade for temperature coefficient and D grade for noise. It is also available in a variety of resistance values, ranging from 1/4 ohm to 100k ohms.

RN55D2840FB14s are typically used in applications such as switching power supply circuits, telecommunications circuits, and automotive circuits. They are popular for their low cost, high power rating, and tight tolerance. They are especially suited for applications that require shielding such as those exposed to EMI/RFI noise.

The working principle of the RN55D2840FB14 involves using thick-film technology to create a resistor on top of a ceramic substrate. A mask with the desired resistance values and pattern is applied to the substrate, then the resistor materials are vacuum-deposited onto the substrate. These materials are then fired at a high temperature in an oven. When this process is complete, the resulting resistor is both highly accurate and reliable.

In addition, the RN55D2840FB14 utilizes an improved external design to provide enhanced EMI/RFI shielding and protection. The resistor also utilizes a stepped wirewinding construction. This helps to minimize power losses and improve thermal stability.

Finally, due to their small size and excellent power rating, the RN55D2840FB14s are well suited for space saving applications such as cell phone and laptop circuit boards. This results in improved efficiency and cost savings for these devices.

In conclusion, the RN55D2840FB14 is a versatile and popular thick-film resistor that is suitable for a wide range of applications. It is highly accurate, reliable, and efficient, making it an ideal choice for all sorts of projects. By properly understanding the application field and working principle of the RN55D2840FB14, users can maximize their projects\' performance and reliability.