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Metal Film Resistors
$120.00
- Type: Precision resistors known for their stability and accuracy
- Construction: Made with a thin film of metal deposited on a ceramic substrate, providing excellent temperature stability
- Tolerance: Typically available with tolerances as low as 1% or 0.1%, ensuring reliable performance in sensitive applications
- Temperature Coefficient: Low temperature coefficient (typically around 25 ppm/°C), minimizing resistance changes with temperature variations
- Power Rating: Available in various power ratings (e.g., 1/8W, 1/4W, 1/2W, etc.), suitable for a wide range of applications
- Applications: Commonly used in audio equipment, precision measurement devices, and circuits requiring high stability and accuracy
- Features: Low noise, high reliability, and superior performance in critical electronic applications
- Form Factor: Available in various form factors, including through-hole and surface mount (SMD), for versatile integration into designs
Metal film resistors are a type of passive electronic component known for their high accuracy, stability, and low noise characteristics. They are widely used in various applications, including precision analog circuits, voltage dividers, and signal processing due to their favorable performance attributes.
Key Specifications:
- Resistance Range: Typically from 1 ohm to several megohms.
- Tolerances: Common tolerances range from ±1% to ±5%, with high-precision versions offering tolerances as low as ±0.1%.
- Temperature Coefficient: Generally around ±10 to ±50 ppm/°C, indicating excellent temperature stability.
- Power Rating: Available in various power ratings, typically ranging from 1/8 W to 2 W or more, depending on the specific application.
Features:
- High Stability: Metal film resistors exhibit excellent stability over time, making them suitable for critical applications where precision is essential.
- Low Noise: They generate minimal thermal noise, which is particularly beneficial in audio and high-frequency applications.
- Wide Frequency Response: Their construction allows for a wide frequency response, making them suitable for RF applications.
- Small Size: They can be manufactured in various package sizes, including surface mount options, allowing for compact circuit designs.
Applications:
- Precision Instrumentation: Used in sensitive measurement devices and calibration equipment where accuracy is crucial.
- Audio Equipment: Preferred in audio circuits due to their low noise characteristics, improving sound quality.
- Telecommunication: Commonly utilized in telecommunication devices for signal conditioning and processing.
- Consumer Electronics: Found in a variety of consumer electronics for general signal processing and control applications.
Metal film resistors offer a blend of performance and reliability, making them an essential component in modern electronic circuit design. Their characteristics allow engineers to achieve precise control of current and voltage in various applications, ensuring the functionality and accuracy of electronic devices.
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