CM0805D900R-10
Surface-mount common mode chokes for EMI filtering in electronics
Manufacturer： ['fgc-miscellaneous', 'laird-technologies', 'steward']
series introduction
# Introduction to the CM0805D900R - 10 Product Series
## 1. Overview
The CM0805D900R - 10 product series represents a cutting - edge offering in the field of electronic components. Engineered with precision and designed to meet the diverse needs of modern electronic applications, this series stands out for its high - performance characteristics, reliability, and versatility.
## 2. Physical Specifications
### 2.1 Dimensions
The "0805" in the product code indicates the standard package size. In the imperial system, it measures 0.08 inches by 0.05 inches, which is approximately 2.032 mm by 1.27 mm in the metric system. This compact size makes it suitable for use in densely populated printed circuit boards (PCBs), allowing for more efficient use of space in electronic devices.
### 2.2 Appearance
The components in the CM0805D900R - 10 series typically have a rectangular shape with well - defined edges. They are often coated with a protective layer that not only enhances their durability but also provides some level of insulation. The color of the coating may vary depending on the specific manufacturing process and requirements, but it is usually a uniform and consistent color to ensure easy identification on the PCB.
## 3. Electrical Characteristics
### 3.1 Resistance Value
The "900R" in the product code indicates a resistance value of 900 ohms. This specific resistance value is carefully calibrated during the manufacturing process to ensure high accuracy. The tolerance of the resistance is typically within a narrow range, for example, ±1% or ±0.5%, which means that the actual resistance of the component will deviate from the nominal 900 - ohm value by no more than 1% or 0.5% respectively. This high - precision resistance is crucial for applications where accurate voltage division, current limiting, or signal attenuation is required.
### 3.2 Power Rating
The "10" in the product code is related to the power rating of the component. In this case, it might represent a power rating of 100 mW (milliwatts). This power rating determines the maximum amount of power that the resistor can safely dissipate without overheating or being damaged. It is an important parameter to consider when designing circuits, as exceeding the power rating can lead to premature failure of the component.
### 3.3 Temperature Coefficient
The CM0805D900R - 10 series usually has a low temperature coefficient of resistance (TCR). A low TCR means that the resistance of the component changes very little with variations in temperature. For example, a TCR of ±100 ppm/°C (parts per million per degree Celsius) indicates that for every 1°C change in temperature, the resistance will change by no more than 100 parts per million of its nominal value. This stability is essential for maintaining the performance of the circuit over a wide range of operating temperatures.
## 4. Performance and Reliability
### 4.1 High - Frequency Performance
These resistors are designed to perform well at high frequencies. They have low parasitic capacitance and inductance, which minimizes signal distortion and ensures that the circuit can operate efficiently at high - speed data rates. This makes them suitable for use in high - frequency applications such as radio frequency (RF) circuits, wireless communication devices, and high - speed digital circuits.
### 4.2 Reliability
The CM0805D900R - 10 series undergoes rigorous quality control and testing procedures during the manufacturing process. They are tested for parameters such as resistance accuracy, power handling, and temperature stability. Additionally,
Images for reference
CM0805(A,C,D)(161,221,371,900)R-10
CM0805xxxxR-10 Series
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