High voltage trimmer capacitor targets MRI coil designs
In the field of MRI, Voltronics have developed what it claims is the broadest line of non-magnetic products in the world. The V9000 series is the latest, smallest, high voltage trimmer capacitor. Unique in design, the sapphire capacitor is truly sub-miniature at just 0.64“ (at minimum capacitance) in length, but offers the highest working voltage rating (2kV) for its size - whilst delivering a capacitance range of 1 to 12pF.
Sapphire is suited for precision trimmer capacitors as its dielectric constant is extremely stable and is chemically inert; totally moisture resistant and mechanically strong.
These trimmers have a high Q (a minimum of 3000 at 100MHz); DC working voltage of 2000V and DC withstand of 3000V. They are also compatible with SAC 305 reflow processing.
The V9000 series is specifically designed for the MRI industry where its size, power, capacitance range and affordability make it the preferred choice for the next generation of coils. Due to the severe non-magnetism requirements this industry requires we use only materials that exhibit no measurable magnetism - commercial brass and plating materials are not acceptable. Our strict traceability and testing regimes ensure this essential parameter.
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