RN73C2A2K61BTG Series

series introduction

# Introduction to the RN73C2A2K61BTG Product Series

## Overview
The RN73C2A2K61BTG product series belongs to a specialized category of electronic components, specifically resistors. These resistors are engineered with high - precision and reliability in mind, making them suitable for a wide range of electronic applications.

## Key Features

### 1. High Precision
The RN73C2A2K61BTG resistors offer an extremely high level of precision. With a tolerance that can be as low as ±0.1%, they ensure that the resistance value remains very close to the specified 2.61 kΩ (as indicated by the "2K61" in the part number). This high precision is crucial in applications where accurate voltage division, current limiting, or signal conditioning is required. For example, in precision measurement equipment such as multimeters or oscilloscopes, even a small deviation in resistance can lead to significant errors in the measured values.

### 2. Low Temperature Coefficient
These resistors have a low temperature coefficient of resistance (TCR). A low TCR means that the resistance value of the resistor changes very little with variations in temperature. The RN73C2A2K61BTG series typically has a TCR in the range of ±25 ppm/°C or even lower. This characteristic is essential in applications where the operating temperature may vary, such as in automotive electronics, aerospace systems, and industrial control systems. In automotive engine control units, for instance, the temperature can fluctuate widely, and a resistor with a stable resistance value over this temperature range is necessary for proper engine management.

### 3. High Power Rating
Despite their relatively small size, the RN73C2A2K61BTG resistors are designed to handle a certain amount of power. They can dissipate power efficiently, with power ratings that are suitable for many common electronic circuits. This allows them to be used in applications where there is a need to handle moderate to high - current loads without overheating. For example, in power supply circuits, they can be used as current - limiting resistors to protect other components from excessive current.

### 4. Excellent Stability
Over time, the resistance value of the RN73C2A2K61BTG resistors remains stable. They are resistant to aging effects, such as changes in resistance due to long - term exposure to environmental factors like humidity, oxidation, and mechanical stress. This stability ensures the long - term reliability of the electronic circuits in which they are used, reducing the need for frequent maintenance and component replacement.

## Physical Characteristics

### 1. Package Size
The RN73C2A2K61BTG resistors come in a standard surface - mount package. The compact size of the package makes them suitable for use in printed circuit boards (PCBs) with limited space. This is particularly important in modern electronic devices, such as smartphones, tablets, and wearables, where miniaturization is a key design requirement.

### 2. Terminal Finish
The terminals of the resistors are finished with a material that provides good solderability. This ensures a reliable electrical connection when the resistors are soldered onto the PCB. The high - quality terminal finish also helps to prevent oxidation and corrosion, which could otherwise lead to poor electrical contact and circuit malfunction.

## Applications

### 1. Consumer Electronics
In consumer electronic devices such as smartphones, laptops, and digital cameras, the RN73C2A2K61BTG resistors are used in various circuits. They can be found in power management circuits to regulate the voltage and current supplied to different components. In audio circuits, they are used for signal conditioning and impedance matching to ensure high - quality sound output.

### 2. Industrial Electronics

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Partlist

RN73C2A2K61BTG