| Allicdata Part #: | RWR81S1R21FRS70-ND |
| Manufacturer Part#: |
RWR81S1R21FRS70 |
| Price: | $ 1.41 |
| Product Category: | Resistors |
| Manufacturer: | Vishay Dale |
| Short Description: | RES 1.21 OHM 1W 1% WW AXIAL |
| More Detail: | 1.21 Ohms ±1% 1W Through Hole Resistor Axial Milit... |
| DataSheet: |  RWR81S1R21FRS70 Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 1.27575 |
| 2000 +: | $ 1.25550 |
| Series: | Military, MIL-PRF-39007, RWR81S |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Resistance: | 1.21 Ohms |
| Tolerance: | ±1% |
| Power (Watts): | 1W |
| 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: | 0.085" Dia x 0.250" L (2.16mm x 6.35mm) |
| Height - Seated (Max): | -- |
| Number of Terminations: | 2 |
| Failure Rate: | R (0.01%) |
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Through Hole Resistors are an essential electronic component commonly used in today’s technology for a wide variety of applications. The RWR81S1R21FRS70 through hole resistor is a specifically designed type of resistor which makes use of two cylindrical ceramic cores with nickel-plated steel ends. These cylindrical cores are connected to each end of the resistor and a wire connecting the outside of the resistor to the center. The cylindrical cores are held together by two metal end caps and the cores are insulated from each other.
The working principle of the RWR81S1R21FRS70 through hole resistor relies on Ohm’s law. This resistor is designed to have a specific resistance value, which is determined by the design and layout of its components. According to Ohm’s law, the resistance of the resistor will be inversely proportional to the current flowing through it. Therefore, by regulating the amount of current that passes through the resistor, the resulting resistance value can be adjusted or set.
The main application areas for RWR81S1R21FRS70 through hole resistors include electronics, power electronics, and automotive vehicles. In electronics, this type of resistor is used as a current limiter to provide stability and prevent excessive current flow which can damage the circuit. It is also widely used as a safety device in power supplies to prevent excessive current from short circuiting. In automotive vehicles, it is used to regulate the current flow from the alternator to the battery to ensure efficient charging. It can also be used as a voltage divider in electronic circuits to create a voltage drop, ensuring correct input to the circuit.
The RWR81S1R21FRS70 through hole resistor is a versatile component with a reliable and consistent working principle. It can be used in a wide variety of electronic and automotive applications, offering reliable performance and precise, adjustable current regulation. Its superior design and precise components make it ideal for high-reliability applications where reliability is key.
The specific data is subject to PDF, and the above content is for reference
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