CMF60909K00BHBF

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Through-hole resistors are widely used in a variety of applications, from consumer electronics to power supplies. The CMF60909K00BHBF is an excellent example of these devices, offering high precision, stability over temperature, and long-term reliability. In this article, we will look at the application field and working principle of this particular resistor.

Application Field of the CMF60909K00BHBF

The CMF60909K00BHBF is a through-hole power resistor designed for use in high-voltage applications. The device is rated for voltages up to 1200 VDC and temperatures up to 150 °C (302 °F). It is also UL approved and conforms to the RoHS directive. Due to its high voltage rating, the CMF60909K00BHBF is well suited for applications that require high accuracy, stability, and robustness in order to withstand extreme conditions and changes in environment. These include DC-DC converters, uninterruptible power supplies (UPS), solar inverters, and motor drives.

Working Principle of the CMF60909K00BHBF

The CMF60909K00BHBF is a metal film resistor consisting of a precision resistive element and a pair of leads. The leads are pressed and crimped into the resistor element, providing a secure connection. The resistor element itself is made from a thick-film resistive paste applied to an alumina substrate and fired at high temperatures. This process results in an extremely stable and highly accurate resistor. The thickness of the paste determines the resistance value, and the exact value is measured and etched onto the chip prior to containing it in the device.

The metal film resistors from CMF offer superior temperature and aging characteristics compared to their carbon or wirewound counterparts. The equivalent temperature coefficient of resistance (TCR) is typically ±50 ppm/°C, with a maximum rating of ±350 ppm/°C when operating temperatures are within the specified range. In addition, the resistors are rated for a maximum absolute tolerance of ±0.02%.

Conclusion

The CMF60909K00BHBF is a through-hole power resistor designed for high-voltage applications. The device is reliable and stable over temperature, offering a nominal operating temperature range up to 150 °C (302 °F). The device also offers excellent tolerance characteristics, with an absolute tolerance of only ±0.02%. This makes it an excellent choice for applications requiring high accuracy, precision, and robustness. With its UL approval and RoHS conformity, the CMF60909K00BHBF is certainly an outstanding through-hole resistor.

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