WW3FT7R50 Resistors

Series:	WW
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	7.5 Ohms
Tolerance:	±1%
Power (Watts):	3W
Composition:	Wirewound
Features:	Moisture Resistant
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 350°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.187" Dia x 0.560" L (4.75mm x 14.22mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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WW3FT7R50 Through Hole Resistors are commonly used for applications where very precise control of current is required. This type of resistors are typically constructed in a cylindrical shape, with a hole in the center of the cylinder when viewed from its side. The diameter of the hole is typically equal to or slightly larger than the diameter of the resistor.When voltage is applied to these resistors, current flows from the three leads and is eventually dissipated through the surrounding environment. The power supply supplies the resistor with an input voltage. The amount of current drawn from the supply depends on the input voltage and the size of the resistor. The resistor’s internal resistance determines the amount of current that flows through the resistor, and this current is converted to heat.These resistors typically have very low thermal coefficients, meaning that the resistance does not change significantly over a wide temperature range. The most common type of through-hole resistors are carbon composition and metal-film resistors. Carbon composition resistors are made by mixing multiple layers of carbon particles in a blend of resin. Once the blend is ready, it can be formed into any desired shape, including in the shape of a cylinder.The power rating of a through-hole resistor is primarily determined by the type of material it is constructed out of. Carbon composition resistors are generally rated between 1/2 watt up to 1 watt, while metal-film resistors are rated up to 5 watts. The size of the resistor must also be taken into consideration as larger resistors can typically handle higher wattages.The most common use for through-hole resistors is in applications such as motor controls, LED dimming circuits, and rectifier circuits. They are also frequently used in industrial control systems, for applications such as industrial motor speed control, instrumentation signal regulation, and interactive display systems. In addition to these general purpose uses, through-hole resistors are also used in various consumer electronics, in various circuits such as audio filter circuits.The advantages of using through-hole resistors are numerous. First, they are able to handle higher currents than surface-mount resistors, and they can dissipate significantly more heat. Additionally, through-hole resistors are more durable than surface-mount resistors, and their leads are able to handle higher mechanical stresses. Additionally, they are typically much less expensive than surface-mount resistors, making them the preferred choice for many applications.In summary, WW3FT7R50 Through Hole Resistors are a commonly used type of resistor, and are typically used where high current and high power dissipation are required. They offer excellent temperature stability, and their leads are able to handle higher mechanical stresses. Additionally, their cost is typically significantly lower than that of other types of resistors, making them the preferred choice for many applications.

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