RC0805FR-073M3L
SMD thick film resistors, 3.3M Ohm, 1% tolerance, 0805 size
Manufacturer： yageo
series introduction
# Introduction to the RC0805FR - 073M3L Product Series
## 1. Overview
The RC0805FR - 073M3L belongs to a specific series of electronic components, more precisely, it is a type of resistor. Resistors are fundamental passive components in electronic circuits, and this particular series is designed to meet a wide range of application requirements with its unique features and specifications.
## 2. Physical Characteristics
### Package Size
The "0805" in the part number indicates the package size of the resistor. In the imperial measurement system, an 0805 package has dimensions of approximately 0.08 inches (2.032 mm) in length and 0.05 inches (1.27 mm) in width. This relatively small size makes it suitable for use in compact electronic devices where space is at a premium, such as mobile phones, tablets, and wearable devices.
### Construction
The resistor is likely constructed using a thin - film or thick - film technology. Thin - film resistors generally offer better precision, lower temperature coefficients, and better long - term stability compared to thick - film resistors. The construction also ensures good mechanical and electrical performance, with a robust design that can withstand normal handling and environmental stresses during the manufacturing and operation processes.
## 3. Electrical Specifications
### Resistance Value
The "3M3" in the part number represents the resistance value of the resistor. In this case, the resistance is 3.3 MΩ (3.3 million ohms). This high resistance value makes it suitable for applications where a large amount of resistance is required, such as in voltage - dividing circuits, input protection circuits, and some types of sensor interfaces.
### Tolerance
The "07" in the part number typically indicates the tolerance of the resistor. A common interpretation is that it represents a tolerance of ± 1%. This means that the actual resistance value of the resistor can vary by up to 1% from the nominal value of 3.3 MΩ. A tight tolerance is important in applications where precise resistance values are crucial for the proper functioning of the circuit, such as in precision measurement equipment and high - performance analog circuits.
### Temperature Coefficient
The temperature coefficient of a resistor describes how its resistance value changes with temperature. While the part number does not explicitly state the temperature coefficient, for a high - quality resistor in this series, it is likely to have a relatively low temperature coefficient. A low temperature coefficient ensures that the resistance value remains stable over a wide range of operating temperatures, which is essential for maintaining the performance and accuracy of the circuit in different environmental conditions.
### Power Rating
The power rating of the resistor is an important specification that determines the maximum amount of power it can safely dissipate without being damaged. For an 0805 - sized resistor, a typical power rating might be around 1/10 W (0.1 W). This power rating limits the amount of current that can flow through the resistor based on the power formula \(P = I^{2}R\) (where \(P\) is power, \(I\) is current, and \(R\) is resistance). In applications where the power dissipation is expected to be high, multiple resistors may need to be used in parallel or series to share the power.
## 4. Applications
### Voltage - Dividing Circuits
In voltage - dividing circuits, the RC0805FR - 073M3L can be used to create a specific voltage output based on the input voltage. By selecting appropriate resistance values, the resistor can divide the input voltage into a desired fraction, which is useful for biasing transistors, providing reference voltages, and interfacing different parts of an electronic circuit.
### Input Protection Circuits
Images for reference
0805 Chip Resistor, SMT
Thick Film Resistor Side
Thick Film Resistor Top