Series:	Metal Devil® MK
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	1.58 kOhms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	--
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.098" Dia x 0.268" L (2.50mm x 6.80mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: MK1581FE-R52 Application Field and Working Principle

Through-hole resistors are the most basic type of resistors, with the MK1581FE-R52 being one of the most common varieties used today. Through hole resistors are also known as “off-the-shelf” resistors, due to their ability to be purchased in many electronics stores or ordered online. The definition of a through-hole resistor is a resistor that uses a leaded body and a leaded wire to connect the component to the circuit board. This type of resistor is available in different shapes, sizes, and values, and is used in a wide range of applications, from basic consumer electronics to industrial and military applications.The MK1581FE-R52 is a type of through-hole resistor that is available in a range of wattages and values. This type of resistor is commonly used for high power applications and has a higher wattage rating than other types of through-hole resistors. The wattage rating of the MK1581FE-R52 ranges from 0.75W up to 3W, and it has a commonly used value of 1581 ohms. Its most common application is as a power resistor in electronic circuits, but it can also be used for voltage divider circuits and protection circuits.The working principle behind this type of resistor is simple. When a voltage is applied across the terminals, the resistance of the component causes a voltage drop. This voltage drop is a function of the resistance value and the current that flows through the resistor. The amount of power dissipated by the resistor can then be calculated using the following formula:

P = V²/R

Where P is the power dissipated, V is the voltage, and R is the resistance. In the case of a MK1581FE-R52, the power dissipated can range from 0.75W up to 3W, depending on the applied voltage and current.In addition to being employed as a power resistor, the MK1581FE-R52 can also be used in voltage divider circuits and as a protector against overvoltage. In a voltage divider circuit, the MK1581FE-R52 is placed between two resistors, each with its own value. This configuration divides the incoming voltage, allowing for a lower output voltage. This type of circuit is commonly used in low voltage applications, such as in audio amplifiers or power supplies.The MK1581FE-R52 can also be used as a protector against overvoltage. In this case, the resistor acts as a “buffer” between the input voltage and the component that is being protected. If the input voltage exceeds the component’s maximum voltage rating, the MK1581FE-R52 will absorb the excess voltage, thus providing protection for the component.Finally, the MK1581FE-R52 can be used in audio circuits to adjust the volume or dampen any unwanted frequency. In this case, the resistor is placed in series with the audio signal, reducing the signal’s amplitude. This type of configuration is commonly used in audio amplifiers, as well as in speaker crossovers.In conclusion, the MK1581FE-R52 is a versatile through-hole resistor that can be used in a wide range of applications. Not only is it commonly used as a power resistor, but it can also be used in protection circuits, voltage divider circuits, and as an attenuator in audio circuits. Its versatility makes it a popular choice among DIYers, hobbyists, and electronics professionals alike.

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