Do you need high temperature capacitors?

Temperature requirements for ceramic capacitors have increased significantly with advances in deep-well drilling technology.

Increasing demand for oil and natural gas has driven technology to deeper and deeper deposits resulting in extreme temperature environments up to 200°C and above. One solution is by utilizing temperature stable base metal electrode capacitors in a moulded and leaded package addresses the growing market high-temperature demands for capacitance stability, long service life and mechanical durability.  A range of high temperature C0G capacitors capable of meeting this 200°C and above high-temperature environment has been developed. 

KEMET a leading global supplier of electronic components, has introduced a High-Temperature Radial Molded Multilayer Ceramic Capacitors which offer industry-leading performance in extreme environments and high temperature up to 200°C. These capacitors are designed specifically to withstand the severe shock and vibration conditions associated with deep-well and horizontal drilling activities, and are also well-suited for use in geophysical probes, hybrid and electric motor drives, aerospace engine compartments and defence applications. The gold-plated lead wires of these components help withstand extreme temperatures while the epoxy moulded case provides environmental protection and mechanical durability.

"As high-temperature electronic module complexity increases, the size reduction of components becomes more and more critical," said Dr. Abhijit Gurav, KEMET Vice President of Ceramic Technology. "These new capacitors are typically smaller in size than competitor radial moulded capacitors, allowing for significant downsizing and replacement opportunities. In addition, KEMET's C0G dielectric platform is RoHS compliant, exhibits high breakdown strength, low leakage, low losses and negligible loss of capacitance as temperatures and applied voltages rise to their rated values."