RC1206JR-07470KL
SMD thick film resistors, 470k ohm, 5% tolerance, 0.25W power rating
Manufacturer： yageo
series introduction
# Introduction to the RC1206JR - 07470KL Product Series
## 1. Overview
The RC1206JR - 07470KL is a highly specialized and widely - used product series within the realm of electronic components. Specifically, it belongs to the category of resistors, which are fundamental building blocks in countless electronic circuits. These resistors play a crucial role in controlling the flow of electric current, dividing voltages, and providing biasing in various electronic applications.
## 2. Physical Characteristics
### Package Size
The "1206" in the product code refers to the package size of the resistor. In the imperial measurement system commonly used in the electronics industry, a 1206 package has dimensions of approximately 0.12 inches (3.2 mm) in length and 0.06 inches (1.6 mm) in width. This relatively standard size makes it compatible with a wide range of printed circuit boards (PCBs) and surface - mount technology (SMT) assembly processes. It strikes a good balance between being small enough for compact circuit designs and large enough to handle a reasonable amount of power.
### Color and Markings
The resistor typically has a ceramic body with a characteristic color, often a light - colored ceramic substrate. The markings on the resistor are crucial for identification. The "JR" in the code may indicate specific characteristics related to the resistor's tolerance and temperature coefficient. The "07" is part of the marking system that helps in identifying the resistor's value, and "470K" clearly indicates the resistance value of 470,000 ohms (470 kilohms). The "L" at the end might be a manufacturer - specific code for additional features or a particular production batch.
## 3. Electrical Specifications
### Resistance Value
As mentioned, the RC1206JR - 07470KL has a resistance value of 470 kilohms. This value is carefully calibrated during the manufacturing process to ensure accurate performance in electronic circuits. The resistance value determines how much the resistor will impede the flow of electric current according to Ohm's law (V = IR, where V is voltage, I is current, and R is resistance).
### Tolerance
The tolerance of a resistor indicates the allowable deviation from its nominal resistance value. For the RC1206JR - 07470KL, the tolerance is an important specification. A common tolerance for this type of resistor might be ±5%. This means that the actual resistance value of the resistor can vary between 470,000 ohms ± (5% of 470,000 ohms), or between 446,500 ohms and 493,500 ohms. A lower tolerance is generally required in applications where precise current or voltage control is necessary, such as in precision measurement circuits or high - end audio amplifiers.
### Power Rating
The power rating of a resistor is the maximum amount of power it can safely dissipate without being damaged. For the RC1206JR - 07470KL, a typical power rating might be 0.25 watts. This power rating is determined by factors such as the resistor's physical size, material, and construction. When using the resistor in a circuit, it is essential to ensure that the power dissipated across the resistor (calculated using the formula P = I²R or P = V²/R) does not exceed its power rating. Otherwise, the resistor 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 value of the resistor changes with temperature
Images for reference
1206 Chip Resistor, SMT
Thick Film Resistor Side
Thick Film Resistor Top