| Allicdata Part #: | P3.0KW-2BK-ND |
| Manufacturer Part#: |
ERG-2SJ302 |
| Price: | $ 0.18 |
| Product Category: | Resistors |
| Manufacturer: | Panasonic Electronic Components |
| Short Description: | RES 3K OHM 2W 5% AXIAL |
| More Detail: | 3 kOhms ±5% 2W Through Hole Resistor Axial Flame P... |
| DataSheet: |  ERG-2SJ302 Datasheet/PDF |
| Quantity: | 9609 |
| 1 +: | $ 0.16200 |
| 10 +: | $ 0.13545 |
| 25 +: | $ 0.09864 |
| 50 +: | $ 0.07155 |
| 100 +: | $ 0.05301 |
| 250 +: | $ 0.04070 |
| 500 +: | $ 0.03206 |
| 1000 +: | $ 0.02219 |
| 5000 +: | $ 0.01850 |
| Series: | ERG |
| Packaging: | Bulk |
| Part Status: | Active |
| Resistance: | 3 kOhms |
| Tolerance: | ±5% |
| Power (Watts): | 2W |
| Composition: | Metal Oxide Film |
| Features: | Flame Proof, Safety |
| Temperature Coefficient: | ±350ppm/°C |
| Operating Temperature: | -55°C ~ 235°C |
| Package / Case: | Axial |
| Supplier Device Package: | Axial |
| Size / Dimension: | 0.157" Dia x 0.472" L (4.00mm x 12.00mm) |
| Height - Seated (Max): | -- |
| Number of Terminations: | 2 |
| Failure Rate: | -- |
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Through Hole Resistors
Thermal resistance is an important parameter when selecting a through hole resistor. ERG-2SJ302 resistors have low thermal resistance and can be used in a variety of applications. The resistor element in ERG-2SJ302 is made of high-purity MnO2 and an appropriate amount of graphite to ensure its low thermal resistance. Moreover, the package is made of insulating ceramic material, which can ensure stable performance in the long-term use even at a high temperature.
Application Field of ERG-2SJ302
ERG-2SJ302 is a through hole resistor primarily used in control, fire protection circuits and other applications that require stable performance in harsh environments. It is also suitable for applications in communication equipment, industrial equipment, power tools, audio equipment, and home appliances.
For example, it is an ideal choice for applications in fire alarm systems and smoke detectors. Excellent thermal resistance ensures accurate sensing and fast response during temperature changes. ERG-2SJ302 resistors have high heat capacities and can be used in precision electronic weighing systems. Moreover, their low thermal resistance ensures stable and reliable operation in the long-term usage.
Working Principle of ERG-2SJ302
ERG-2SJ302 through hole resistors operate using a combination of two principles. First of all, the resistors are constructed using MnO2 and graphite, materials that are both electrically resistive. By controlling the composition and thickness of the MnO2 and graphite layers, the resistance can be set to the desired value.
The second principle utilizes the thermal resistance of the resistor element. Electrical current passes through the resistor and causes heating of the resistor. The higher the current, the higher the temperature, and the higher the resistance. Thus, by controlling the current, the resistor can be used to regulate a circuit.
ERG-2SJ302 resistors are designed for long-term operation and have high heat capacity and low thermal resistance. The thermal resistance of ERG-2SJ302 is significantly lower than that of other resistors, which ensures accurate and fast response to temperature changes.
The specific data is subject to PDF, and the above content is for reference
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