The thermal resistance of the RCL12251R40FKEG is not explicitly stated in the datasheet, but according to Vishay's general documentation, the thermal resistance for similar chip resistors is around 250-300°C/W.
While the datasheet doesn't provide specific information on high-frequency performance, Vishay's chip resistors are generally suitable for frequencies up to 1 GHz. However, it's recommended to consult with Vishay's application engineers or perform your own testing to ensure the resistor meets your specific high-frequency requirements.
Vishay provides a recommended land pattern for their chip resistors, including the RCL12251R40FKEG, in their 'Surface Mount Resistor Land Pattern' document (document number: 43077). The recommended land pattern is also available in various PCB design software libraries.
The RCL12251R40FKEG has a maximum operating temperature of 155°C, as stated in the datasheet. While it can tolerate high temperatures, it's essential to consider the resistor's power rating and derate it accordingly to ensure reliable operation in high-temperature environments.
Yes, the RCL12251R40FKEG resistor is RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) compliant, as stated in Vishay's documentation and website.
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RCL12251R40FKEG Overview
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