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Metal oxide resistors are a type of passive electronic component that provide resistance to the flow of electric current. They are made from a mixture of metal oxides, which are baked onto a ceramic substrate to form a resistive element. These resistors are known for their stability, reliability, and ability to withstand high temperatures and voltages, making them suitable for various applications in electronic circuits.
| Resistance range | 1 ohm to 10 megaohms |
| Power rating | 0.125W to 2W |
| Tolerance | 1% to 5% |
| Temperature coefficient | ±50 to ±100 ppm/°C |
| Operating temperature | -55°C to +155°C |
When selecting metal oxide resistors, consider the required resistance value, power rating, and tolerance based on your application needs. It is also important to specify the operating temperature range and any environmental factors that may affect performance. For bulk orders, inquire about available quantities and lead times to ensure timely delivery.
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Metal oxide resistors typically have a long lifespan, often exceeding 10 years under normal operating conditions.
Yes, they are designed to handle high voltage applications, often up to 500V or more.
Metal oxide resistors offer better stability and higher temperature tolerance compared to carbon film resistors.
They are generally suitable for most applications, but for high-frequency use, other types like metal film resistors may be preferred.
Calculate the power rating using the formula P = I²R or P = V²/R, where P is power, I is current, and V is voltage.
Look for certifications such as RoHS compliance and ISO standards to ensure quality and environmental safety.