Surface-Mount Caps Command High Power

June 3, 2014
Ceramic chip capacitors have been developed for use in high-power applications and with voltages to 3600 V.

High-power circuit designs are getting smaller, and high-power surface-mount multilayer ceramic chip capacitors (MLCCs) such as the QUAD HIFREQ 2525 series from Vishay Intertechnology, Inc. are helping to make that happen. Ideal for commercial and military high-frequency applications such as RF/microwave signal generators and in magnetic-resonance-imaging (MRI) coils, these capacitors are available with values from 1 to 2700 pF and tolerances as tight as ±0.1 pF, and quality factors (Qs) of greater than 4000 at 10 MHz for a 1-pF capacitor. Rated for voltages from 300 to 3600 V, these rugged little capacitors feature equivalent series resistance (ESR) as low as 0.018 Ω. Visitors to IMS Booth No. 1446 can see a variety of different MLCC devices on display.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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