RT0603FRE073K3L
Precision thin film resistors for compact electronic circuits
Manufacturer： yageo
series introduction
# Introduction to the RT0603FRE073K3L Product Series
## 1. Overview
The RT0603FRE073K3L product series belongs to the realm of electronic components, specifically resistors. These resistors are designed with precision and high - performance in mind, catering to a wide range of applications in the electronics industry. The "0603" in the model number refers to the industry - standard package size, which is a surface - mount device (SMD) package. This size is widely used due to its balance between physical dimensions and electrical performance, making it suitable for a variety of circuit board designs.
## 2. Physical Characteristics
### Package Size
The 0603 package has specific dimensions. Typically, it measures approximately 0.06 inches (1.6 mm) in length and 0.03 inches (0.8 mm) in width. This relatively small size allows for high - density circuit board layouts, enabling designers to fit more components on a single board. It is also beneficial for applications where space is at a premium, such as in mobile devices, wearables, and small - form - factor consumer electronics.
### Construction
The resistors in the RT0603FRE073K3L series are constructed using advanced thin - film technology. Thin - film resistors are known for their excellent stability, low noise, and high precision. The resistive element is deposited on a ceramic substrate, which provides good thermal stability and mechanical strength. The ends of the resistor are typically made of a metal alloy, which ensures good electrical contact with the printed circuit board (PCB) pads.
## 3. Electrical Specifications
### Resistance Value
The "3K3" in the model number indicates a resistance value of 3.3 kΩ (3300 ohms). This is a commonly used resistance value in electronic circuits for tasks such as voltage division, current limiting, and biasing. The resistance value is specified with a high degree of accuracy, typically within a tolerance of ±1% or better. This high precision ensures that the circuit will perform as expected, reducing the need for additional calibration or adjustment.
### Power Rating
The RT0603FRE073K3L resistors have a power rating that is suitable for a variety of low - to medium - power applications. The power rating is typically around 1/16 watt (62.5 mW). This means that the resistor can safely dissipate up to this amount of power without overheating or experiencing significant changes in its electrical properties. It is important to consider the power rating when designing a circuit to ensure that the resistor will not be damaged under normal operating conditions.
### Temperature Coefficient
The temperature coefficient of resistance (TCR) is an important parameter for resistors. It indicates how much the resistance value changes with temperature. The RT0603FRE073K3L series typically has a low TCR, often in the range of ±50 ppm/°C or better. This means that the resistance value will change very little over a wide temperature range, providing stable performance in different environmental conditions.
## 4. Performance Advantages
### High Precision
The high - precision nature of these resistors makes them ideal for applications where accurate voltage or current control is required. For example, in analog circuits such as audio amplifiers, precision resistors are used to set the gain and bias levels, ensuring high - quality sound reproduction. In measurement and instrumentation circuits, they are used to provide accurate reference voltages and current sources.
### Low Noise
The thin - film construction of the RT0603FRE073K3L resistors results in low electrical noise. Noise can be a significant problem in sensitive electronic circuits, such as
Images for reference
0603 Chip Resistor, SMT
Thin Film Resistor Top
Thin Film Resistor Side