Very fast 4A 63V surface mount fuse for circuit protection
Manufacturer： vishay
# Introduction to the MFU0805FF04000PW00 Product Series
## Overview
The MFU0805FF04000PW00 product series represents a cutting - edge offering in the field of electronic components. Engineered with precision and designed to meet the most demanding requirements of modern electronic applications, this series combines high - performance features with exceptional reliability.
## Physical Characteristics
### Dimensions
The 0805 form factor of the MFU0805FF04000PW00 series is a well - established and widely used standard in the electronics industry. With dimensions of approximately 2.0mm x 1.25mm, it strikes an ideal balance between being small enough for compact circuit board designs and large enough to handle a reasonable amount of power and current. This size makes it suitable for a wide range of applications, from consumer electronics to industrial control systems.
### Packaging
The components in this series are typically available in tape - and - reel packaging. This packaging method is highly efficient for automated pick - and - place assembly processes, which are commonly used in high - volume electronics manufacturing. The tape - and - reel format ensures that the components are properly aligned and protected during transportation and handling, reducing the risk of damage and improving the overall assembly yield.
## Electrical Performance
### Resistance Value
The MFU0805FF04000PW00 series is characterized by a resistance value of 4000 ohms (4kΩ). This specific resistance value is carefully selected to meet the requirements of various circuit designs, such as voltage dividers, current limiters, and signal attenuation circuits. The precise resistance value is maintained within a tight tolerance range, ensuring consistent performance across different components in the series.
### Tolerance
These components offer a high - precision tolerance. The tight tolerance ensures that the actual resistance of each component closely matches the specified value. This is crucial in applications where accurate resistance values are required for proper circuit operation, such as in precision measurement equipment and analog signal processing circuits.
### Power Rating
The power rating of the MFU0805FF04000PW00 series is designed to handle a certain amount of electrical power without overheating or experiencing significant performance degradation. This power rating is carefully calculated based on the component's physical size, material properties, and design. It allows the components to be used in applications where they may be subjected to varying levels of electrical stress, such as in power supplies and amplifier circuits.
### Temperature Coefficient
The temperature coefficient of resistance (TCR) is an important parameter for electronic resistors. The MFU0805FF04000PW00 series features a low TCR, which means that the resistance value changes minimally with temperature variations. This is essential in applications where the operating temperature may fluctuate, such as in automotive electronics and outdoor - based electronic systems. A low TCR ensures that the circuit performance remains stable over a wide temperature range.
## Material and Construction
### Resistive Material
The resistive element in the MFU0805FF04000PW00 series is made from high - quality materials that offer excellent electrical and thermal properties. These materials are carefully selected to provide stable resistance values, low noise, and high reliability. The use of advanced manufacturing techniques ensures a uniform distribution of the resistive material, resulting in consistent performance across all components in the series.
### Terminations
The terminations of the components are designed to provide good electrical contact and mechanical stability. They are typically made from materials with high conductivity and corrosion resistance, such as nickel - plated copper. The terminations are also designed to be compatible with standard soldering processes, making it easy to integrate the components into printed circuit boards.
## Applications
### Consumer Electronics
In consumer