ERX-3SJ8R2A
Metal film resistors, 8.2 ohm, 3W, 5% tolerance, axial through-hole
Manufacturer： panasonic
series introduction
# ERX - 3SJ8R2A Product Series Introduction
## 1. Overview
The ERX - 3SJ8R2A product series represents a cutting - edge line of electronic components engineered to meet the diverse and demanding requirements of modern electronic systems. These components are designed with precision and innovation, offering high - performance solutions for a wide range of applications, from consumer electronics to industrial automation.
## 2. Key Features
### 2.1 High Precision
One of the standout features of the ERX - 3SJ8R2A series is its high precision. These components are manufactured using advanced production techniques and strict quality control measures. The resistance values are extremely accurate, with a tolerance level that is significantly lower compared to many standard components in the market. This high precision ensures stable and reliable performance in circuits, reducing the margin of error and enhancing the overall functionality of the electronic system.
### 2.2 Low Temperature Coefficient
The series exhibits a low temperature coefficient of resistance (TCR). This means that the resistance value of the components changes minimally with variations in temperature. In applications where temperature fluctuations are common, such as in automotive electronics or outdoor - installed devices, the low TCR of the ERX - 3SJ8R2A series ensures that the performance of the circuit remains consistent. It helps to prevent issues like signal distortion and power loss that can occur due to temperature - induced resistance changes.
### 2.3 High Power Handling Capacity
Despite their relatively compact size, the ERX - 3SJ8R2A components have a high power handling capacity. They are capable of dissipating a significant amount of power without overheating or suffering from performance degradation. This makes them suitable for high - power applications, such as power supplies, amplifiers, and motor control circuits. The ability to handle high power also contributes to the longevity of the components, as they can operate under demanding conditions without being damaged.
### 2.4 Excellent Frequency Response
The product series offers excellent frequency response characteristics. It can handle a wide range of frequencies, from low - frequency signals to high - frequency applications. This makes it versatile and applicable in various communication systems, including radio frequency (RF) circuits, wireless communication devices, and audio systems. The consistent performance across different frequencies ensures that the components can accurately process and transmit signals without introducing significant distortion.
## 3. Technical Specifications
### 3.1 Resistance Values
The ERX - 3SJ8R2A series is available in a variety of resistance values, ranging from a few ohms to several kilo - ohms. This wide range of options allows designers to select the most appropriate resistance value for their specific circuit requirements. The resistance values are clearly marked on the components, making it easy for assembly and testing processes.
### 3.2 Tolerance
The tolerance of the resistance values in this series is typically within ±0.1% to ±1%. This high - level of tolerance control ensures that the actual resistance of the component closely matches the specified value, providing reliable and predictable performance in the circuit.
### 3.3 Temperature Coefficient
The temperature coefficient of resistance (TCR) is in the range of ±5 ppm/°C to ±50 ppm/°C, depending on the specific model within the series. This low TCR value indicates that the resistance change with temperature is very small, ensuring stable operation in different temperature environments.
### 3.4 Power Rating
The power rating of the ERX - 3SJ8R2A components varies from 0.125 W to 1 W. Designers can choose the appropriate power - rated component based on the power requirements of their circuit. Higher power - rated components are suitable for applications with high - power dissipation needs, while lower power - rated ones can be used in more power - sensitive circuits.
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Images for reference
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