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Metal film resistors are passive electronic components that provide precise resistance values and stability in various circuits. They are made from a thin film of metal deposited on a ceramic substrate, which allows for accurate resistance and low noise characteristics. These resistors are commonly used in applications requiring high precision and reliability, such as in measurement devices and audio equipment.
| Resistance range | 1 ohm to 10 megohms |
| Power rating | 1/8 W to 5 W |
| Tolerance | 1% to 5% |
| Temperature coefficient | ±50 to ±100 ppm/°C |
| Operating temperature | -55°C to +155°C |
When selecting metal film resistors, buyers should consider the required resistance value, power rating, and tolerance level for their specific application. It is also important to specify the desired temperature coefficient and operating temperature range. Additionally, buyers should inquire about quantities, as bulk pricing may be available for larger orders.
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Metal film resistors offer better stability and lower noise compared to carbon film resistors.
Yes, they typically operate within a range of -55°C to +155°C.
The typical tolerance ranges from 1% to 5%.
Yes, they are commonly used in audio applications due to their low noise characteristics.
Consider the maximum current and voltage in your circuit to calculate the appropriate power rating.
The temperature coefficient indicates how much the resistance changes with temperature; lower values are preferred for precision applications.