
Allicdata Part #: | MFR2WSFTF52-21R5-ND |
Manufacturer Part#: |
MFR2WSFTF52-21R5 |
Price: | $ 0.02 |
Product Category: | Resistors |
Manufacturer: | Yageo |
Short Description: | RES MF 2W 1% AXIAL |
More Detail: | 21.5 Ohms ±1% 2W Through Hole Resistor Axial Meta... |
DataSheet: | ![]() |
Quantity: | 1000 |
5000 +: | $ 0.01350 |
Series: | MFR |
Packaging: | Tape & Box (TB) |
Part Status: | Active |
Resistance: | 21.5 Ohms |
Tolerance: | ±1% |
Power (Watts): | 2W |
Composition: | Metal Film |
Features: | -- |
Temperature Coefficient: | ±100ppm/°C |
Operating Temperature: | -55°C ~ 155°C |
Package / Case: | Axial |
Supplier Device Package: | Axial |
Size / Dimension: | 0.177" Dia x 0.453" L (4.50mm x 11.50mm) |
Height - Seated (Max): | -- |
Number of Terminations: | 2 |
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Through Hole Resistors, such as the MFR2WSFTF52-21R5, can be found in many applications, from home appliances to industrial issue solutions. The products vary greatly in shape, size, and power, and the MFR2WSFTF52-21R5 is no exception. To better understand where the MFR2WSFTF52-21R5 can be used and its working principles, it is important to first examine what through hole resistors are and how they are used.
Through hole resistors are passive components used to limit current in electrical circuits. As the name implies, they are installed through holes in the circuit\'s printed wiring board (or PCB) and are secured with a metal or plastic fastener; hence, the term "through hole." They are usually composed of a resistor element with two lead pins, which are passed through the PCB and soldered in place, forming an electric connection between the two conductive surfaces. Through hole resistors are relatively simple components, yet their advantages and applications extend far beyond the mundane.
The MFR2WSFTF52-21R5 is a type of through hole resistor, specifically an SMD (Surface Mountable Device) resistor. Its principle of working is simple: when current flows through its two metal plates, energy is dissipated as heat, limiting the current and protecting the circuits in the device. The resistance of the MFR2WSFTF52-21R5 is also higher than that of standard leaded resistors, allowing it to act as a buffer for high power circuits. This higher resistance also makes this component well-suited for applications requiring precision control over current, such as those related to telecommunications, measuring and laboratory equipment, LED lighting, medical tools, and automotive.
The main advantage of through hole resistors is that they can be used for large application areas that involve handling of high voltages, but they are also ideal for new PCB designs, due to their simple design and affordability. The MFR2WSFTF52-21R5 also comes with a variety of features, including: thermal stability, insensitivity to mechanical shock and vibration, surge resistance capabilities, and low temperature dependence. As a result, it is suitable for use in applications where it is important to maintain stability and reliability. This means that it can be used in the military, aerospace, power supplies, consumer devices, computers, energy meters, and so on. Additionally, due to its low-cost design, it is ideal for prototyping and experimentation.
The MFR2WSFTF52-21R5 is also relatively easy to use, and it requires only a few preparatory steps before it can be soldered in place. The resistor must first be inserted into the PCB\'s through hole. To do this, wires or pins must be inserted into the holes, and the resistor must then be lined up with the pins and fastened in place using a soldering iron. This connects the resistor permanently to the PCB. In order to use the device, current must then be applied, allowing heat to be dissipated, and thus limiting current.
The MFR2WSFTF52-21R5 through hole resistor is a versatile and efficient component. It is suitable for a variety of applications, and its attributes, such as its thermal stability, low temperature dependence, and surge resistance capabilities, make it particularly suitable for high power and precision controlled applications. It also comes with an easy installation process, making it ideal for prototyping and experimentation.
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