RN55E4993FBSL

Series:	Military, MIL-R-10509/7, RN55
Packaging:	Bulk
Part Status:	Active
Resistance:	499 kOhms
Tolerance:	±1%
Power (Watts):	0.125W, 1/8W
Composition:	Metal Film
Features:	Flame Retardant Coating, Military, Moisture Resistant, Safety
Temperature Coefficient:	±25ppm/°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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Introduction to Through Hole Resistors

Through hole resistors are the most common form of resistors used in wide range of applications. Basically, they are two-terminal electronic components made of ceramic, metal film or wire wound materials that are designed to offer resistance to a current flow. Through hole resistors are characterized by their value, tolerance, and power rating. They can be designed into many shapes and sizes, and are generally mounted on a printed circuit board (PCB) as part of an electronic system.

How Through Hole Resistors Work

The working principle behind a through hole resistor is very simple. When current passes through the resistor, its resistance (measured in ohms) is used to generate a voltage drop. The amount of current that the resistor can safely handle without being damaged, called its power rating, is determined by its total resistance, and the type of material used to construct the resistor.

Applications of Through Hole Resistors

Through hole resistors are used in a variety of applications due to their versatility. These resistors can be used to control the current of a circuit, by providing a fixed amount of resistance, or can be used to divide voltages. Common areas where they are used include power supplies, amplifiers, motor control circuits, and communications systems, among many others.

RN55E4993FBSL Application Field and Working Principle

The RN55E4993FBSL through-hole resistor is a two-terminal electronic component designed to offer resistance to a current flow. It is a molded resistor with a 3W rating in a 0402 package, which is an ultra-small surface mount package. It consists of a power resistor inside a ceramic body. The value of the resistor is 49.93, and its tolerance range is ± 1%. Its power rating is 3 W, and its maximum operating temperature is 155°C.The working principle of the RN55E4993FBSL through-hole resistor is the same as any other type of through hole resistor; the resistance established by this resistor is used to generate a voltage drop when current passes through it. This resistor is designed to offer reliable performance and low inductance when employed in high-current circuit configurations. Its small size allows it to be employed where a small footprint is needed. In conclusion, the RN55E4993FBSL through-hole resistor is a reliable and highly versatile resistor type ideal for a wide range of applications. It can be used in power supplies, amplifiers, motor control circuits, and communications systems, among many others, to control the current of the circuit and to divide voltages.

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