RC0603FR-0734K8L
Compact thick film resistors for surface-mount electronic circuits
Manufacturer： yageo
series introduction
# Introduction to the RC0603FR - 0734K8L Product Series
## 1. Overview
The RC0603FR - 0734K8L belongs to a specific series of surface - mount resistors. These resistors are widely used in various electronic circuits due to their compact size, high precision, and reliable performance. The "RC" typically indicates the resistor type, "0603" refers to the package size, "FR" may denote certain features such as a film resistor, "07" is related to the tolerance code, "34K8" represents the resistance value, and "L" might be a specific suffix for additional characteristics or a particular product variant.
## 2. Package Size (0603)
### Physical Dimensions
The 0603 package is a standard surface - mount package with dimensions of approximately 0.06 inches (1.6 mm) in length and 0.03 inches (0.8 mm) in width. This small size makes it ideal for use in printed circuit boards (PCBs) where space is at a premium, such as in mobile devices, wearable electronics, and other compact electronic products.
### Mounting Advantages
The surface - mount design allows for automated assembly processes, which are highly efficient and cost - effective. The resistors can be easily placed on the PCB using pick - and - place machines, and then soldered using reflow soldering techniques. This results in a more reliable and consistent connection compared to through - hole components.
## 3. Resistance Value (34K8)
### Explanation of the Value
The resistance value of 34K8 means 34.8 kΩ (kilo - ohms). Resistance is a fundamental electrical property that opposes the flow of electric current in a circuit. In a circuit, this resistor can be used to control the amount of current flowing through a particular path, divide voltages, or set the gain of an amplifier.
### Tolerance
The "07" in the part number is related to the tolerance of the resistor. A common tolerance for this code is ±1%. This means that the actual resistance value of the RC0603FR - 0734K8L resistor can vary within ±1% of the nominal value of 34.8 kΩ. For example, the actual resistance could range from 34.452 kΩ (34.8 kΩ - 1% of 34.8 kΩ) to 35.148 kΩ (34.8 kΩ+ 1% of 34.8 kΩ). High - tolerance resistors are crucial in applications where precise current and voltage control are required, such as in precision measurement circuits and analog signal processing.
## 4. Resistor Type (FR - Film Resistor)
### Construction and Characteristics
Film resistors are made by depositing a thin film of resistive material, such as carbon or metal, on an insulating substrate. In the case of the RC0603FR - 0734K8L, it is likely a metal - film resistor. Metal - film resistors offer several advantages over other types of resistors. They have low noise, good temperature stability, and a relatively high precision.
### Temperature Coefficient
The temperature coefficient of resistance (TCR) is an important parameter for resistors. A low TCR means that the resistance value of the resistor changes very little with temperature variations. Film resistors generally have a relatively low TCR, which ensures that the performance of the circuit remains stable over a wide range of operating temperatures. This is especially important in applications where the environment temperature can vary significantly, such as in automotive electronics and industrial control systems.
Images for reference
0603 Chip Resistor, SMT
Thick Film Resistor Side
Thick Film Resistor Top