CSRF1225 foil on ceramic carrier current sense

9th August 2023
Harry Fowle

Stackpole has expanded its CSRF1225 foil on ceramic carrier series to include a smaller version.

Applications for surface mount chip resistors with high power requirements typically mean higher circuit temperatures due to thermal resistance limitations. One of the most common and economical options for reducing the effects of power is wide terminations. By applying the terminations to the long sides of the chip resistor, the hot spot temperature of a given chip size is reduced by 30% to 40%.

Stackpole’s CSRF foil on ceramic carrier series of current sense resistors now offers a 1225 size resistor rated at 3 watts.  The CSRF1225 is available in resistance values from 1 milliohm to 100 milliohm in tolerances down to 0.5% and TCR as low as 50 ppm. 

This makes the CSRF1225 ideal for applications including a wide range of power supply types, motor controls, industrial controls, voltage regulators, and LED drivers.

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