LR0204F220K

Series:	LR, Neohm
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	220 kOhms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	--
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.079" Dia x 0.138" L (2.00mm x 3.50mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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IntroductionThrough Hole Resistors, one of the most common electronic components, are widely used in power electronics, radio frequency and high frequency circuits, electrical instrumentation and communication networks. Of these, the most popular type is the LR0204F220K Through Hole Resistor. This article will discuss the application field and working principle of the LR0204F220K, as well as its advantages and limitations.Application FieldThe LR0204F220K Through Hole Resistor is a low-ohmic general purpose resistor designed for high power applications. The resistor\'s non-inductive construction and wide tolerances make it suitable for a variety of precision electronics and electrical devices.It is especially popular in power electronics circuits, where its high power rating and linear response characteristics are advantageous compared to other types of resistors. Its low ohmic value and fast switching times make it ideal for regulating the speed of motor drives in the presence of high voltage and current changes.The LR0204F220K Through Hole Resistor is also widely used in radio frequency and high frequency electronic circuits. Its narrow tolerance value and linear response characteristics enable it to provide accurate, stable signal transfer and high frequency switching operations.The through-hole construction of the LR0204F220K makes it suitable for use in electrical instrumentation and communication networks where its non-inductive construction and wide power rating protects delicate electronics devices from excessive current and voltage spikes.Working PrincipleThe LR0204F220K utilizes the basic principle of Ohm\'s Law to reduce voltage and current levels. This law states that the resistance of the resistor is directly proportional to its electrical current; that is, the more current that passes through the resistor, the greater the resistance. This is accomplished by the resistor\'s construction, which consists of a thin wire filament or element surrounded by a ceramic body. The resistive element, or filament, is placed in an insulated environment, preventing it from dissipating heat and damage.When a voltage is applied to the LR0204F220K, the electrical current will flow through the resistor in two directions depending on its orientation. As the current passes through the resistor, it will be impeded by the resistive element, resulting in a precise reduction and regulation of the applied voltage and current levels.Advantages and LimitationsThe LR0204F220K Through Hole Resistor has a number of distinct benefits, including its wide power rating, linear response, low ohmic value, low temperatures, and high frequency switching speed. These advantages make the LR0204F220K ideal for precision circuit applications, enabling high power operation without the risk of overheating or damage to delicate electronics.On the other hand, its wide tolerances can result in inaccuracies at low power levels, and it is more difficult to mechanically attach than other resistor designs. Additionally, the LR0204F220K Through Hole Resistor cannot be used in circuits with DC voltages exceeding 100V.ConclusionThe LR0204F220K Through Hole Resistor is one of the most popular through hole resistors on the market. It is designed for high power applications and is ideal for use in power electronic circuits, radio frequency, high frequency, electrical instrumentation, and communication networks. The LR0204F220K works according to Ohm\'s Law and can effectively reduce voltage and current levels, while offering wide tolerances and high frequency switching. Its advantages include a wide power rating, linear response, low ohmic value, low temperatures, and high switching speed. However, while it provides several benefits, the LR0204F220K also has a few limitations, including wide tolerances and an inability to be used in circuits with DC voltages exceeding 100V.

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