RK73B2ETTD2R2J
Thick film surface-mount resistors for compact electronic circuits
Manufacturer： koa-speer
series introduction
# Introduction to the RK73B2ETTD2R2J Product Series
## 1. Overview
The RK73B2ETTD2R2J belongs to a specialized and high - performance product series, typically falling within the realm of electronic components. These components play a crucial role in a wide range of electronic circuits and systems, enabling the proper functioning of various devices.
## 2. Product Naming Convention
Let's break down the product code “RK73B2ETTD2R2J” to understand its significance:
- **RK**: This is likely the brand or product line identifier specific to the manufacturer. It represents the overall family of products that share certain design and quality characteristics.
- **73**: This may indicate a particular series or generation within the RK product range. Different series often have distinct features, performance levels, or application focuses.
- **B2**: Could be related to specific electrical or physical characteristics of the component, such as a particular resistance tolerance class, power rating class, or package type variation within the series.
- **ETT**: This part of the code might denote a specific technology, manufacturing process, or a set of enhanced features associated with the product. For example, it could represent a particular type of thin - film technology used in the component's construction.
- **D2R2**: In the context of electronic components, this is likely related to the resistance value. Here, “2R2” indicates a resistance of 2.2 ohms. The “R” is used as a decimal point placeholder in some component naming systems.
- **J**: Usually, this letter represents the tolerance of the component. In the case of resistors, “J” typically means a tolerance of ±5%.
## 3. Technical Specifications
### Electrical Characteristics
- **Resistance Value**: As mentioned, the nominal resistance value of the RK73B2ETTD2R2J is 2.2 ohms. This value is crucial in determining the current - voltage relationship in a circuit according to Ohm's law (V = IR).
- **Tolerance**: With a tolerance of ±5%, the actual resistance of the component can vary between 2.09 ohms (2.2 - 0.05×2.2) and 2.31 ohms (2.2+ 0.05×2.2). This tolerance range is important for applications where precise resistance values are required, as it affects the accuracy of circuit performance.
- **Power Rating**: The power rating of the component indicates the maximum amount of power it can dissipate without being damaged. While the specific power rating for the RK73B2ETTD2R2J is not provided in the code, it is an important parameter. For example, in high - current applications, a higher power - rated resistor is needed to prevent overheating.
- **Temperature Coefficient of Resistance (TCR)**: This parameter describes how the resistance of the component changes with temperature. A low TCR is desirable in applications where the resistance needs to remain stable over a wide temperature range. The RK73B2ETTD2R2J may have a specified TCR value, which helps in predicting its performance in different environmental conditions.
### Physical Characteristics
- **Package Type**: The product likely comes in a specific package that determines its size, shape, and mounting method. Common package types for resistors include surface - mount technology (SMT) packages, which are suitable for automated assembly on printed circuit boards (PCBs). The package type also affects the component's thermal performance and mechanical stability.
- **Dimensions**: Precise dimensions are important for PCB layout design. The RK73B2ETTD2R2J will have specific length, width, and height
Images for reference
Image Preview
Image Preview