RWR78S4R99FRB12 Allicdata Electronics
Allicdata Part #:

RWR78S4R99FRB12-ND

Manufacturer Part#:

RWR78S4R99FRB12

Price: $ 2.25
Product Category:

Resistors

Manufacturer: Vishay Dale
Short Description: RES 4.99 OHM 10W 1% WW AXIAL
More Detail: 4.99 Ohms ±1% 10W Through Hole Resistor Axial Mili...
DataSheet: RWR78S4R99FRB12 datasheetRWR78S4R99FRB12 Datasheet/PDF
Quantity: 1000
100 +: $ 2.04480
300 +: $ 1.85310
500 +: $ 1.72530
1000 +: $ 1.59750
Stock 1000Can Ship Immediately
$ 2.25
Specifications
Series: Military, MIL-PRF-39007, RWR78S
Packaging: Bulk 
Part Status: Active
Resistance: 4.99 Ohms
Tolerance: ±1%
Power (Watts): 10W
Composition: Wirewound
Features: Military, Moisture Resistant
Temperature Coefficient: ±50ppm/°C
Operating Temperature: -55°C ~ 250°C
Package / Case: Axial
Supplier Device Package: Axial
Size / Dimension: 0.375" Dia x 1.780" L (9.53mm x 45.21mm)
Height - Seated (Max): --
Number of Terminations: 2
Failure Rate: R (0.01%)
Description

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Introduction:

The RWR78S4R99FRB12 through hole resistor is a versatile component often used in a wide variety of applications. This type of resistor is used to regulate the flow of electrical current, to reduce the flow of electrical current, and to provide protection for electrical circuits from potential damage due to overloads. It can also be used as a current limit device, in order to prevent equipment from experiencing electrical damages.

Application Field:

The RWR78S4R99FRB12 through hole resistor is most commonly used in industrial and electrical engineering applications. In industrial applications, this type of resistor is typically used to regulate the current for motors, pumps, fans, and other electrical machinery. In electrical engineering applications, it is used to control current flow and to protect circuitry and components from the effects of overloads. The resistor also serves as an effective current limiter, allowing electrical equipment to operate safely by controlling their maximum current draw.

Working Principle:

The RWR78S4R99FRB12 through hole resistor works on the principle of Ohm’s Law. According to this famous law, when two terminals are connected to a resistor with voltage across them, a current will flow in a closed circuit at a rate proportional to the voltage applied. If the current is limited by the resistor, then the voltage will be reduced and the flow of current will be regulated. This is known as “voltage drop”, which is the primary mechanism employed by the RWR78S4R99FRB12 through hole resistor.

The working principle of the RWR78S4R99FRB12 through hole resistor is based on the concept of resistivity, which states that the resistance of a material is inversely proportional to its cross-sectional area. In other words, as the size of the material increases (increasing its cross-sectional area), the resistance decreases. This means that when a certain amount of voltage is applied to a through hole resistor, the voltage will be reduced and the current will be limited by the size and shape of the resistor.

Conclusion:

In conclusion, the RWR78S4R99FRB12 through hole resistor is a versatile component used in a wide variety of applications, including industrial and electrical engineering. It works on the principle of Ohm’s Law and is based on the concept of resistivity, in which the resistance of a material is inversely proportional to its cross-sectional area. This allows the RWR78S4R99FRB12 through hole resistor to regulate the current and limit the maximum current draw of electrical equipment, allowing it to operate safely.

The specific data is subject to PDF, and the above content is for reference

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