RN55D1803FRE6

Series:	Military, MIL-R-10509/7, RN55
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	180 kOhms
Tolerance:	±1%
Power (Watts):	0.125W, 1/8W
Composition:	Metal Film
Features:	Flame Retardant Coating, Military, Moisture Resistant, Safety
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-65°C ~ 175°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.090" Dia x 0.240" L (2.29mm x 6.10mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors are one of the most widely used components in any circuit. The RN55D1803FRE6 is a unique through hole resistor that has been developed by Vishay Technologies. It is a high voltage, high power, wirewound precision resistor. This device can be used in a wide variety of applications across a broad range of industries.The RN55D1803FRE6 through hole resistor has a resistance of 18 ohms and a rated power of 3 watt. This resistor has a tolerance of 5% and a temperature coefficient of 150 ppm/C. This resistor can handle surge current to 30 amps and operating temperature range to -55C to 155C.The RN55D1803FRE6 application field can be used in high voltage, high power, and high accuracy circuit designs. This resistor is able to withstand high power operation, protecting circuits from long-term damage and making them more reliable. The standard construction of the RN55D1803FRE6 ensures a high level of power stability during high voltage operation. The high power operation also enables operation at higher temperatures without risking damage.The device has a high insulation voltage of 4,000Vdc, which protects circuits from voltage overshoots. The high voltage insulation also ensures safety of personnel. The high insulation voltage also protects against surges or short-term overvoltage.The RN55D1803FRE6 can also be used in high frequency operation. Thanks to its low inductance and flat frequency response, it is suitable for AC/DC Converters, inverters, AC motor drives, UPS power systems and the like.To understand the working principle of the RN55D1803FRE6, one needs to understand the basic structure and function of the wirewound resistor. These resistors are composed of a long length of a resistive insulating element, which has a constant value of resistance throughout its length. This element is wound around a core material, usually made of aluminium, bronze or steel, and is held together by a body sealant. This element is then connected to the leads of the device.The working principle of the RN55D1803FRE6 is based on the simple principle of Ohm’s Law. In this case, the current passing through the resistor generates a voltage drop across the resistor proportional to the resistance and current. This principle applies to all wirewound resistors, including the RN55D1803FRE6.By using high-power wirewound resistors such as the RN55D1803FRE6, designers can increase the stability and accuracy of their circuits. They are also able to use it in high-frequency operation and protect circuits from damaging overvoltages. The device also has a wide operating temperature range, ensuring that it can be used in a variety of applications.

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