RN55D4122FRSL

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Through Hole Resistors come in many styles and designs. In particular, the RN55D4122FRSL is a popular and reliable choice, particularly for applications that demand precision and resistance in demanding environmental conditions. While broadly labeled in the resistor category, this specific model is further defined as a precision metal film resistor, with excellent performance even in very high temperature environments. This type of resistor is commonly used in high power applications, and can be used in a variety of commercial, industrial, and military applications.

The RN55D4122FRSL is an axial lead, cylindrical metal film resistor, which is capable of handling power dissipation up to 2 watts at a temperature of up to +150°C. Its resistance capability range goes from 0.1 ohm to 10M ohms, and it can be purchased either in bulk or individually. This type of resistor has a tolerance range of 0.1%, and a temperature coefficient (TC) of ±200 ppm/°C (parts per million/°C). The size of the RN55D412FRSL is 0.1 Watt × 2 Watt × 0.397 inch.

The working principle of the RN55D4122FRSL is based on the conversion of electrical energy into thermal energy. This happens as an electric current passes through the resistor, which then generates heat on its body and leads. This heat is dissipated thanks to the design features of the resistor, such as its size and the surface area that it is exposed to. This heat is further reduced by the internal construction of the resistor, which has designed or “built-in” resistance. This makes it possible for the RN55D4122FRSL to be able to safely handle higher power dissipation than other styles of resistors.

RN55D4122FRSL is typically applied in various types of power applications where high temperature and/or high power capacity rating is required. Some examples would include power supplies, motor control, relays, and other similar devices which may require very precise measurements and high power handling capabilities. Additionally, this type of resistor can be widely used in automotive, medical, and consumer electronics as an effective ohmic element to control current and voltage.

Because of their impressive temperature coefficient (oddly low for a precision metal film resistor) and maximum temperature rating, RN55D4122FRSL can be used in a wide range of applications. Thanks to their durable and reliable design, these resistors are widely preferred and are used in many types of equipment worldwide.

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