RN55E9533BB14

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Through Hole Resistors have long been a staple in the electronics industry, playing a crucial role in electrical circuits. The RN55E9533BB14 is a relatively new type of through-hole resistor that has seen increasing usage in recent years. This article will discuss the application field and working principle of the RN55E9533BB14.

The RN55E9533BB14 is an axial leaded resistor, meaning it is inserted from one end of a printed circuit board and connections are made to two metal wires that extend outward from the resistor. Axial leaded resistors are useful in situations where PCB space is at a premium, as they take up significantly less space than other types of resistors. The RN55E9533BB14 specifically is designed for use in high power, low resistance, applications, making it especially useful for providing overcurrent protection.

The RN55E9533BB14 belongs to a family of through-hole resistors known as "metal oxide film resistors" or "metal film resistors". These resistors are made of a thin film of metal oxide (such as titanium oxide) that prodivdes resistance to electricity. The metal oxide film is deposited onto a form of ceramic base and then sealed in plastic to protect it from the environment. Unlike carbon or wirewound resistors, metal oxide film resistors provide much better temperature stability and longer lifespans, making them ideal for use in high-reliability applications.

The RN55E9533BB14 has a maximum power rating of 33 watts and a resistance range of 5.5 ohms, which makes it particularly useful for providing overcurrent protection in high-current electronic systems. For example, the RN55E9533BB14 can be used as a current-limiting resistor in a power inverter circuit, or as a sensing resistor in a fuel gauge system. In addition, the RN55E9533BB14 is compatible with reflow soldering technology, allowing it to be easily fitted and replaced if need be.

The RN55E9533BB14\'s working principle is based on the fact that it resists the flow of electricity. When current passes through the metal oxide film, it encounters resistance which results in a voltage drop across the resistor. The amount of resistance and the resulting voltage drop are determined by the resistor\'s resistance value. In the case of the RN55E9533BB14, its resistance value of 5.5 ohms creates a voltage drop of 11 volts when a current of 2 amps is applied. The resistor\'s temperature coefficient of resistance (TCR) also affects the amount of voltage drop that occurs.

In conclusion, the RN55E9533BB14 is an axial leaded resistor designed for high power, low resistance applications. It belongs to the family of metal oxide film resistors and offers excellent temperature stability and long-term reliability. The RN55E9533BB14 is capable of withstanding 33 watts of power, has a resistance of 5.5 ohms, and creates a voltage drop of 11 volts when 2 amps of current flow through it. It is well suited for use in power inverter circuits, fuel gauge systems, and other high-current applications.

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