RC1206FR-07120KL
Surface-mount thick film resistors, 120K ohm, 1% tolerance
Manufacturer： yageo
series introduction
# Introduction to the RC1206FR - 07120KL Product Series
## 1. Overview
The RC1206FR - 07120KL belongs to a high - performance resistor product series. Resistors are fundamental passive electronic components that play a crucial role in a wide range of electronic circuits. This particular series is designed to meet the demanding requirements of modern electronic applications, offering a combination of precision, reliability, and durability.
## 2. Product Naming Convention
- **RC**: This is often the prefix that indicates the general type of resistor in the manufacturer's product line. It could stand for a specific resistor family or technology used in the manufacturing process.
- **1206**: This refers to the physical size of the resistor, known as the surface - mount device (SMD) package size. The 1206 package has a length of 0.12 inches (3.2 mm) and a width of 0.06 inches (1.6 mm). This standard size makes it compatible with a variety of printed circuit boards (PCBs) and automated assembly processes.
- **FR**: It may represent a specific feature or characteristic of the resistor, such as a flame - retardant material used in its construction, which is an important safety consideration in many electronic applications.
- **07**: This could be a code related to the resistor's tolerance or other electrical performance parameters.
- **120K**: This indicates the resistance value of the resistor, which is 120,000 ohms or 120 kilohms. Resistance is the property of a resistor that opposes the flow of electric current in a circuit.
- **L**: It might be an additional code for a specific variant or a particular manufacturing batch, or it could represent a special feature like a low - power or low - noise version.
## 3. Electrical Specifications
### Resistance Value
The nominal resistance value of the RC1206FR - 07120KL is 120 kΩ. However, due to manufacturing tolerances, the actual resistance value may deviate slightly from this nominal value. The tolerance level, as indicated by the "07" in the part number, typically ensures that the actual resistance is within a certain percentage of the nominal value. For example, a common tolerance for a resistor with a "07" code could be ±1%, meaning the actual resistance value will be in the range of 118.8 kΩ to 121.2 kΩ.
### Power Rating
The power rating of a resistor is the maximum amount of power it can dissipate without being damaged. For the RC1206FR - 07120KL, the power rating is determined by its physical size and construction. In general, a 1206 - sized resistor can handle a certain amount of power, usually in the range of 0.25 W to 0.5 W. This power rating is important because if a resistor is subjected to more power than it can handle, it may overheat, leading to a change in its resistance value or even permanent damage.
### Temperature Coefficient
The temperature coefficient of resistance (TCR) indicates how the resistance of the resistor changes with temperature. A low TCR is desirable in applications where the resistance value needs to remain stable over a wide temperature range. The RC1206FR - 07120KL is likely to have a relatively low TCR, which means that its resistance will not vary significantly with changes in temperature. This is crucial in precision circuits such as those found in medical devices, aerospace equipment, and high - end audio systems.
## 4. Physical Characteristics
### Package
As mentioned earlier, the 1
Images for reference
1206 Chip Resistor, SMT
Thick Film Resistor Side
Thick Film Resistor Top