CRCW0805887RFKEA
Thick film surface mount resistors, 887 ohm, 1%, 0805 size
Manufacturer： ['vishay-draloric', 'vishay', 'dale']
series introduction
# Introduction to the CRCW0805887RFKEA Product Series
## 1. Overview
The CRCW0805887RFKEA belongs to a specific series of surface - mount resistors. These resistors are crucial components in electronic circuits, playing a fundamental role in controlling current flow, voltage division, and signal attenuation. The "CRCW" is often a product family identifier, "0805" refers to the physical size of the resistor according to the industry - standard surface - mount package, and "887R" indicates the resistance value, while "FKEA" might be a specific code related to the product's tolerance, temperature coefficient, or other special characteristics.
## 2. Physical Characteristics
### 2.1 Package Size
The 0805 package is a widely used standard in the electronics industry. It has a length of approximately 2.03 mm and a width of about 1.27 mm. This relatively small size makes it suitable for use in compact electronic devices where space is at a premium, such as mobile phones, tablets, and wearable devices. The small footprint also allows for high - density circuit board designs, enabling more components to be placed on a single board.
### 2.2 Construction
These resistors are typically constructed using a thin - film technology. A thin layer of resistive material is deposited on a ceramic substrate. This construction method offers several advantages, including good stability, low noise, and high precision. The ceramic substrate provides excellent mechanical and thermal properties, ensuring the resistor can withstand the rigors of the manufacturing process and normal operating conditions.
## 3. Electrical Characteristics
### 3.1 Resistance Value
The resistance value of the CRCW0805887RFKEA is 887 ohms. This value is carefully calibrated during the manufacturing process to meet specific application requirements. In electronic circuits, this resistance can be used in various configurations, such as in voltage - divider circuits to create specific voltage levels or in current - limiting circuits to protect sensitive components from excessive current.
### 3.2 Tolerance
The tolerance of a resistor indicates how close the actual resistance value is to the nominal value. For the CRCW0805887RFKEA, the tolerance is likely specified by the "F" in the part number. In the resistor industry, "F" typically represents a tolerance of ±1%. This high - precision tolerance means that the actual resistance of the resistor will be within 1% of the nominal 887 - ohm value. This level of accuracy is essential in applications where precise control of electrical parameters is required, such as in precision measurement equipment and high - performance audio circuits.
### 3.3 Temperature Coefficient
The temperature coefficient of resistance (TCR) is another important electrical characteristic. It describes how the resistance value of the resistor changes with temperature. The "KEA" part of the part number may be related to the TCR specification. A low TCR value indicates that the resistance of the resistor will remain relatively stable over a wide range of temperatures. This is crucial in applications where the operating temperature can vary significantly, such as in automotive electronics and industrial control systems.
### 3.4 Power Rating
The power rating of a resistor determines the maximum amount of power it can dissipate without being damaged. For the 0805 package, the typical power rating is around 0.125 watts. This means that in a circuit, the power dissipated by the resistor (calculated using the formula \(P = I^{2}R\) or \(P=\frac{V^{2}}{R}\), where \(P\) is power, \(I\) is current, \(V\) is voltage, and \(R\) is resistance) should not exceed
Images for reference
CRCW-0805
SMD Thick Film Side
SMD Thick Film Top