RK73H3ATTE7R50F

series introduction

# Introduction to the RK73H3ATTE7R50F Product Series

## 1. Overview
The RK73H3ATTE7R50F belongs to a high - performance resistor product series that is designed to meet the diverse and demanding requirements of modern electronic circuits. These resistors are engineered with precision and advanced manufacturing techniques to offer reliable and stable electrical performance in a wide range of applications.

## 2. Key Specifications

### Electrical Characteristics
- **Resistance Value**: The specific resistance value of the RK73H3ATTE7R50F is 7.50 ohms. This value is accurately calibrated during the manufacturing process to ensure minimal deviation from the nominal value, providing consistent performance in circuits where precise resistance is crucial.
- **Tolerance**: It typically features a tight tolerance, often within ±1%. This high - level of accuracy means that the actual resistance of the resistor will be very close to the stated 7.50 ohms, which is essential for applications such as precision voltage dividers, signal conditioning circuits, and sensor interfaces.
- **Temperature Coefficient of Resistance (TCR)**: The TCR of the RK73H3ATTE7R50F is relatively low. A low TCR indicates that the resistance of the resistor changes minimally with temperature variations. This property is vital in applications where the operating temperature may fluctuate, such as in automotive electronics, industrial control systems, and outdoor - deployed devices.

### Physical Characteristics
- **Package Size**: The resistor comes in a compact and industry - standard package. This small form factor allows for easy integration into densely populated printed circuit boards (PCBs), making it suitable for applications where space is at a premium, such as in mobile devices, wearables, and miniaturized electronic modules.
- **Power Rating**: It has a specific power rating that determines the maximum amount of power the resistor can safely dissipate without overheating. This power rating is carefully selected based on the design and intended applications of the resistor, ensuring reliable operation under normal and even some transient load conditions.

## 3. Construction and Materials
- **Resistive Element**: The resistive element of the RK73H3ATTE7R50F is made from high - quality materials that contribute to its excellent electrical performance. These materials are chosen for their stability, low noise characteristics, and resistance to environmental factors such as humidity and oxidation.
- **Terminations**: The terminations of the resistor are designed to provide good electrical contact and mechanical stability. They are typically made of materials that are resistant to corrosion and can withstand the soldering processes used in PCB assembly, ensuring a reliable connection between the resistor and the circuit.

## 4. Applications

### Consumer Electronics
- In smartphones and tablets, the RK73H3ATTE7R50F can be used in power management circuits, signal conditioning for audio and video signals, and in the control of various sensors. Its small size and high precision make it an ideal choice for these compact and high - performance devices.
- In smartwatches and other wearables, the resistor can be employed in battery charging circuits, sensor interfaces for heart rate monitors and accelerometers, and in the overall power distribution network to ensure stable operation.

### Automotive Electronics
- In automotive engine control units (ECUs), the RK73H3ATTE7R50F can be used in sensor circuits to measure parameters such as temperature, pressure, and airflow. Its low TCR and high tolerance ensure accurate and reliable sensor readings, which are critical for the proper operation of the engine and the overall vehicle performance.
- In automotive lighting systems, the resistor can be used in current - limiting circuits to control the brightness of LEDs, ensuring consistent and long - lasting illumination.

### Industrial Control Systems
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Datasheets

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Partlist