RN55E2881BRE6

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Through Hole Resistors are widely used in electronic circuits for the purpose of controlling current flow, or providing measureable and repeatable input and output signals. The RN55E2881BRE6 is a through-hole resistor manufactured with a 4-and-a-half-digit alphanumeric code printed on its body, starting with "RN55". Typically used to create heat dissipating current paths, resistors in the RN55E2881BRE6 series are used in a variety of applications.

Applications

One application of the RN55E2881BRE6 through-hole resistor is for use in analog-to-digital converter circuits. Typically, these circuits require a precise reference voltage, and by using the RN55E2881BRE6 resistor, this reference voltage can be accurately set. In addition, they are commonly used in power electronic circuits such as switch-mode power supplies, which use the RN55E2881BRE6 resistor to reduce energy loss due to dissipation. Resistors of this type can also be used as current-limiting resistors, or in noise filters.

Electrical Characteristics

The RN55E2881BRE6 through-hole resistor is capable of withstanding a power rating of 250mW and has an operating temperature range of –55°C to 125°C. The resistor’s accurate and repeatable tolerance is 5% and it exhibits a voltage coefficient of 0.03%/V. It has a resistance range of 200Ω to 2MΩ and features a wide range of thermal coefficient models. The RN55E2881BRE6 resistor is generally considered suitable for high-frequency applications, however, it also handles DC applications very well.

Working Principle

The RN55E2881BRE6 through-hole resistor works by transforming the supplied electrical energy to heat energy. When a varying current passes through the resistor, the electrons in the resistor vibrate, causing the resistor material to become heated. The resistor increases in temperature and this changes its resistance, thus preventing the current from flowing. The amount of energy dissipated and the corresponding change in resistance depend on the electrical characteristics of the resistor, such as its power rating, resistance, and voltage coefficient.

Conclusion

The RN55E2881BRE6 through-hole resistor is a high precision, low power resistor capable of withstanding a power rating of 250mW and an operating temperature range of –55°C to 125°C. It is widely used in analog-to-digital converter circuits, switch-mode power supplies, and current-limiting applications. The device works by transforming the electrical energy to heat, which is then converted to resistance and prevents further current from flowing. In conclusion, the RN55E2881BRE6 is a widely used and versatile resistor used in a variety of electronic circuits.

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