RC0402FR-0724K9L
Compact thick film resistors for precision electronic circuits
Manufacturer： yageo
series introduction
# Introduction to the RC0402FR - 0724K9L Product Series
## 1. Overview
The RC0402FR - 0724K9L belongs to a specific series of electronic components, more precisely, it is a surface - mount resistor. Surface - mount resistors are crucial elements in modern electronic circuits, and this particular series offers unique features and performance characteristics that make it suitable for a wide range of applications.
## 2. Physical Characteristics
### Package Size
The "0402" in the part number indicates the package size of the resistor. In the imperial measurement system, a 0402 package has dimensions of approximately 0.04 inches in length and 0.02 inches in width. In the metric system, this translates to about 1.0mm x 0.5mm. This small size makes it ideal for use in compact electronic devices where space is at a premium, such as mobile phones, smartwatches, and other portable consumer electronics.
### Construction
The resistor is constructed using a thin - film technology. Thin - film resistors are known for their high precision and stability. A thin layer of resistive material is deposited on a ceramic substrate. This construction provides excellent electrical performance and mechanical stability, ensuring that the resistor can withstand the rigors of the manufacturing process and normal operating conditions.
## 3. Electrical Characteristics
### Resistance Value
The "24K9" in the part number represents the resistance value of the resistor. It has a resistance of 24.9 kΩ (kilo - ohms). This specific resistance value is carefully calibrated during the manufacturing process to meet the requirements of various electronic circuits. The resistor's resistance value is accurate within a certain tolerance range, which is an important factor in circuit design.
### Tolerance
The "07" in the part number indicates the tolerance of the resistor. A tolerance of ± 1% means that the actual resistance value of the resistor can vary by up to 1% from the nominal value of 24.9 kΩ. This high - precision tolerance makes the RC0402FR - 0724K9L suitable for applications where accurate resistance values are critical, such as in precision measurement circuits, analog - to - digital converters, and voltage - dividing circuits.
### Temperature Coefficient
The thin - film construction of the RC0402FR - 0724K9L results in a relatively low temperature coefficient of resistance (TCR). A low TCR means that the resistance value of the resistor changes very little with temperature variations. This is important in applications where the operating temperature can fluctuate, as it helps to maintain the stability and accuracy of the circuit's performance.
### Power Rating
The power rating of the RC0402FR - 0724K9L is typically designed to handle a certain amount of power dissipation. For a 0402 package resistor, the power rating is usually in the range of 0.063W (63mW). This power rating determines the maximum amount of power that the resistor can safely dissipate without overheating and affecting its performance. It is important to ensure that the power dissipated by the resistor in a circuit does not exceed its rated power to avoid damage.
## 4. Applications
### Consumer Electronics
Due to its small size and high precision, the RC0402FR - 0724K9L is widely used in consumer electronics. In mobile phones, it can be used in power management circuits, audio amplifiers, and signal processing circuits. In tablets and laptops, it can be found in voltage - regulating circuits and memory modules.
### Industrial Electronics
In industrial applications, the resistor's stability and accuracy make it suitable for
Images for reference
CRSM RL0402
Thick Film Resistor Side
Thick Film Resistor Top