RC0201JR-074K7L
Compact thick film resistors for surface-mount electronic circuits
Manufacturer： yageo
series introduction
# Introduction to the RC0201JR - 074K7L Product Series
## 1. Overview
The RC0201JR - 074K7L product series belongs to the realm of surface - mount resistors. These resistors are an essential component in modern electronic circuits, playing a crucial role in controlling current flow, dividing voltages, and terminating signals. The "RC0201" indicates the resistor's package size, which is a miniature 0201 package. This compact size makes it ideal for use in high - density printed circuit boards (PCBs) where space is at a premium, such as in mobile devices, wearables, and other portable electronics.
## 2. Package Dimensions and Physical Characteristics
### Package Size
The 0201 package is extremely small, with a length of approximately 0.60mm and a width of about 0.30mm. This tiny form factor allows for a high component density on the PCB, enabling the design of more compact and lightweight electronic products.
### Construction
The resistors in this series are typically constructed using a thin - film technology. A thin resistive film is deposited on a ceramic substrate. This construction method offers several advantages, including good temperature stability, low noise, and high precision. The resistive film is carefully engineered to provide the desired resistance value with a high degree of accuracy.
### Terminations
The terminations of the RC0201JR - 074K7L resistors are made of a suitable metal alloy, usually with a good solderability. This ensures reliable electrical connections when the resistors are soldered onto the PCB, reducing the risk of open - circuits or intermittent connections.
## 3. Electrical Specifications
### Resistance Value
The "4K7" in the product code indicates a resistance value of 4.7 kΩ (4700 ohms). This resistance value is carefully calibrated during the manufacturing process to meet specific tolerance requirements.
### Tolerance
The "JR" in the product code typically represents a tolerance of ± 5%. This means that the actual resistance value of the resistor can vary within ± 5% of the nominal 4.7 kΩ value. For example, the actual resistance of a resistor in this series can range from 4.465 kΩ (4.7 kΩ - 5% of 4.7 kΩ) to 4.935 kΩ (4.7 kΩ+ 5% of 4.7 kΩ).
### Temperature Coefficient of Resistance (TCR)
The TCR of the RC0201JR - 074K7L series is an important parameter that describes how the resistance value changes with temperature. These resistors usually have a relatively low TCR, which means that their resistance values remain relatively stable over a wide temperature range. A low TCR is crucial in applications where the performance of the circuit needs to be consistent under different environmental conditions.
### Power Rating
The power rating of the 0201 - sized resistors in this series is typically low, often around 0.063W. This power rating indicates the maximum amount of power that the resistor can safely dissipate without overheating. Designers need to ensure that the power dissipated by the resistor in the circuit does not exceed this rating to avoid damage to the component.
## 4. Applications
### Mobile Devices
In smartphones, tablets, and smartwatches, the RC0201JR - 074K7L resistors are used in various circuits such as power management, signal conditioning, and sensor interfaces. Their small size allows for the integration of more components on the PCB, enabling the development of thinner and lighter mobile devices.
### Wearable Electronics
Wear
Images for reference
RC0201
Thick Film Resistor Side
Thick Film Resistor Top