WW12FT909R

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Through Hole Resistors are electrical components used to control the pathways of electrical current, preventing it from becoming too great or dissipating entirely. The WW12FT909R is an example of a standard through hole resistor.

The WW12FT909R is a non-inductive, small quarter watt resistor from the Zhengtong company. It is extremely temperature stable and offers low thermal EMF. It is sold in packaging groups of ten unit boards or 500 boards in a bulk package. The WW12FT909R resistor has a resistance value of 909R with a tolerance of ±5%. It is small in size, with lengths of 8mm and 3.2mm in diameter. Its power dissipated is 1/4 Watt.

The WW12FT909R can be used in many applications, including controlling electrical current in LCDs, solar panel output, power supplies, and more. The resistor works to reduce the level of an electric current, and if the current is too high it will shut the circuit off entirely. This makes it ideal for applications that require precise control of power level. It is also resistant to temperatures up to +125°C and can provide stable power for long periods of time.

In terms of working principle, the WW12FT909R works in two ways to control the electric current. First, it limits the current by creating a resistance that impedes the flow of the current. The amount of resistance is determined by the design of the resistor, which is also known as its “value.” This can be explained by Ohm’s law, which states that the current is equal to the voltage divided by the resistance.

Second, the WW12FT909R uses its temperature stability and thermal EMF to control the current flow. Thermal EMF is an internal voltage generated by the dissipation of energy as heat during the operation of the resistor. This creates an electrical imbalance on two opposite sides of the resistor, which counteracts the flow of current within the resistor and thus helps to regulate the current flow.

In conclusion, the WW12FT909R is an example of a through hole resistor that can be used for many applications which require precise control of the electrical current. It works by creating a resistance to impede the flow of the current, as well as using its temperature stability and thermal EMF to further regulate the current flow. This makes the WW12FT909R an ideal choice for many applications and ensures consistent and reliable power output.

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