ERJ-2RKF7502X Series

series introduction

# ERJ - 2RKF7502X Product Series Introduction

## 1. Overview
The ERJ - 2RKF7502X product series represents a cutting - edge range of electronic components engineered to meet the diverse and demanding requirements of modern electronic circuits. These components are designed with precision and advanced technology to offer high - performance, reliability, and stability in various applications.

## 2. Key Features

### 2.1 Resistance Value
The "7502" in the model number indicates a specific resistance value. Using the standard resistor coding system, where the first three digits represent significant figures and the fourth digit is the multiplier, the resistance value of the ERJ - 2RKF7502X is \(750\times10^{2}\Omega= 75000\Omega = 75k\Omega\). This precise resistance value is crucial for accurate circuit design, ensuring that the current and voltage levels within the circuit are regulated as intended.

### 2.2 High Precision
The ERJ - 2RKF7502X series offers high precision in its resistance values. With tight tolerance levels, typically within a few percent (e.g., ±1% or ±0.5%), these resistors can provide consistent performance. This precision is essential in applications where even small variations in resistance can lead to significant changes in circuit behavior, such as in precision measurement circuits, sensor interfaces, and audio amplifiers.

### 2.3 Low Temperature Coefficient
The resistors in this series have a low temperature coefficient of resistance (TCR). A low TCR means that the resistance value of the resistor changes very little with temperature variations. This characteristic is vital in environments where the temperature can fluctuate, as it helps maintain the stability of the circuit's performance. For example, in automotive electronics, where the temperature can range from extremely cold to very hot, a low - TCR resistor like the ERJ - 2RKF7502X ensures reliable operation.

### 2.4 Power Rating
The "2R" in the model number may be related to the power rating of the resistor. These resistors are designed to handle a certain amount of power without overheating or degrading in performance. The appropriate power rating is selected based on the application requirements, ensuring that the resistor can safely dissipate the heat generated during normal operation. This makes the ERJ - 2RKF7502X suitable for both low - power and moderate - power applications.

### 2.5 Compact Size
The ERJ - 2RKF7502X series is available in a compact form factor. This small size is beneficial in modern electronic devices, where space is often at a premium. The compact design allows for more efficient use of the printed circuit board (PCB) area, enabling the integration of more components and the development of smaller, more portable devices.

## 3. Construction and Materials

### 3.1 Resistive Element
The resistive element of the ERJ - 2RKF7502X is made from high - quality materials, such as metal film or thick film. Metal - film resistors offer excellent stability, low noise, and high precision, making them suitable for applications that require accurate resistance values. Thick - film resistors, on the other hand, are more cost - effective and can handle higher power levels in some cases.

### 3.2 Terminations
The terminations of the resistors are designed to provide good electrical contact and mechanical stability. They are typically made of materials with low resistance and high solderability, ensuring reliable connections on the PCB. The terminations also help protect the resistive element from environmental factors such as moisture and oxidation.

### 3.3 Encapsulation
The resistors are encapsulated in a

Images for reference

0402 pkg

1% Thick Film Chip

1% Thick Film Chip Material

Datasheets

Partlist

ERJ-2RKF7502X