| Allicdata Part #: | UB3C-1R2F8-ND |
| Manufacturer Part#: |
UB3C-1R2F8 |
| Price: | $ 0.16 |
| Product Category: | Resistors |
| Manufacturer: | Riedon |
| Short Description: | RES 1.2 OHM 3W 1% AXIAL |
| More Detail: | 1.2 Ohms ±1% 3W Through Hole Resistor Axial Moistu... |
| DataSheet: |  UB3C-1R2F8 Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 0.15022 |
Specifications
| Series: | UB |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Resistance: | 1.2 Ohms |
| Tolerance: | ±1% |
| Power (Watts): | 3W |
| Composition: | Wirewound |
| Features: | Moisture Resistant, Pulse Withstanding |
| Temperature Coefficient: | ±50ppm/°C |
| Operating Temperature: | -55°C ~ 250°C |
| Package / Case: | Axial |
| Supplier Device Package: | Axial |
| Size / Dimension: | 0.157" Dia x 0.350" L (4.00mm x 8.90mm) |
| Height - Seated (Max): | -- |
| Number of Terminations: | 2 |
| Failure Rate: | -- |
Description
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Resistors, as one of the fundamental electronic components, are the key to the electrical system\'s characteristic control. Through Hole Resistors, which are pinned on the board and connected to the circuit at both ends, are a type of resistor applied to the electrical appliance field. Among Through Hole Resistors, UB3C-1R2F8 is a multi-turn high precision resistor which has advantages of high-accuracy resistance value, low temperature coefficient, and high stability of resistance. This resistor is applied to many fields such as test instrument, oscilloscope, gaussmeter, and radar etc. Besides, it is also widely applied in communication system fields such as antenna system, satellite equipment, and mobile communication system equipment etc. Its areas of application are predetermined by its working principle. The working principle of UB3C-1R2F8 is based on the Ohm’s law. Specifically, when electric heating coils of UB3C-1R2F8 generate electric energy, the conduction of its core will generate Joule heat, then the magnetic lines will be formed with the same density on both coils. However, if an electric current flows through the coils, a reverse counterforce will be formed against the external magnetic field, thus EMI interference will be reduced. At last, a section of resistor will be included on each coil, which means that a stable voltage output is obtained by the adjustment of the resistance value and the electric current flow.To ensure the stable performance of the UB3C-1R2F8, the tests of insulation resistance, power resistance, and voltage capability must be done during the production of it. Insulation resistance test is to make sure the insulation of the resistor meets the requirements. Power resistance test is to guarantee that the power resistance of the UB3C-1R2F8 is up to the standard. Voltage capability test is mainly to examine if the breakdown voltage of the resistor complies with the requirements.Apart from the testing, UB3C-1R2F8 also has great heat-dissipation performance that ensuring its long lifespan. Since the resistor will generate Joule heat, the bipolar heat sink of UB3C-1R2F8 has two cooling fins, mainly to transfer the dissipated heat out of the resistor and one heat dissipation circuit, which is designed to protect the resistor from high temperature failure.In a nutshell, Through Hole Resistors have a wide range of application in many fields. UB3C-1R2F8, as a multi-turn high precision resistor, has great stability of resistance, high-accuracy resistance value, low temperature coefficient, and EMI interference. Its working principle is based on the ohm’s law, and tests and heat-dissipation performance are also of great importance.
The specific data is subject to PDF, and the above content is for reference
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