Vishay's customisable high-voltage ceramic disc capacitors available on short lead times from TTI

Date
05/02/2013

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Vishay's customisable high-voltage ceramic disc capacitors are now available from TTI, a leading specialist distributor of passive, connector, electromechanical and discrete components. Available in both class 1 and class 2 ceramics, these high-voltage capacitors are symmetric and offer both low inductance and high insulation resistance. They are provided in a moulded epoxy case with electrodes on face sides. Device options include versions with axial leads or screw terminal mountings. Class 1 products are strontium-based ceramic single-layer capacitors, designed for screw terminal mounting, with a capacitance range of 140 pF to 8 nF. They feature a low dissipation factor of 0.2% at 1 kHz with negligible piezoelectric/electrostrictive effect. Available in rated voltages of 10, 15, 20, 30 and 40 kVDC, dielectric strength is 150% of rated voltage, charging current limited to 50 mA. Vishay Class 2 high voltage customisable ceramic DC disc capacitors are available in rated voltages of 15, 20, 30m and 40 kVDC. They have a capacitance range of 100 pF to 10 nF, with a capacitance tolerance of - 20% to + 80%. Insulation resistance is a minimum 200 000 M? or 1000 ? F at 25 °C. Suitable applications include CO2 lasers, medical and industrial X-ray equipment, medical accelerator equipment, EMI filtering in wind turbines, spark-quenching capacitors in power switches, high-voltage power supplies, welding equipment, and many industrial uses. TTI

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