tosw 118115 www.vishay.com vishay draloric revision: 21-jan-16 1 document number: 22087 for technical questions, contact: powcap@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 watercooled rf power barrel capacitors for dielectric heating equipment material capacitor elements made from class 1 ceramic dielectric with noble metal electrodes. connection terminals: ? thread terminal, brass, silver plated. allowable torque: 5.0 nm (44 lbf in) finish capacitor body completely glazed. marking type designator, capacitance value and tolerance, test voltage (peak value), ceramic material code, production date code, manufacturer logo, serial no. features these capacitors feature a high q-factor of greater than 10 000 which makes them ideal in operating frequency range from 0.1 mhz up to 30 mhz where high voltages and currents are present. this capacitor type can be used as replacement for fixed vacuum capacitors. the construction provides the advantage of a lo ng lifetime without vacuum deterioration. ? the tosw 118115 has additi onally watercooling systems on both electrodes. that provides very high power ratings up to 1940 kvar. applications dielectric heating equipments in industrial segment capacitance range 125 pf capacitance tolerance 10 % ceramic dielectrics r16 high q (tcc + 100 ppm/k) rated voltage 13.5 kv p dielectric strength test 157 % rated ac voltage (21 200 v rms , 50 hz, 5 minutes) rf-power test 140 % of rated power, for 5 minu tes in a test generator circuit dissipation factor max. 0.025 % (1 mhz) insulation resistance min. 100 000 m ? (at 25 c) operating temperature range -55 c to +100 c watercooling system allowable intake water pressure: 15 bar (218 psi) quick reference data description value ceramic class 1 ceramic dielectric r16 hq type tosw 118115 voltage (v p ) 13 500 min. capacitance (pf) 125 max. capacitance (pf) 125 mounting screw terminal
tosw 118115 www.vishay.com vishay draloric revision: 21-jan-16 2 document number: 22087 for technical questions, contact: powcap@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 note (1) the temperature of the connection te rminals must be less than 30 c watercooling system the watercooling systems are designed wi th 8 mm / 10 mm copper tube fittings. the fittings must not be used as a mechanical support for other devices or components. ? each cooling system is designed to operate at a maximum water pre ssure of 15 bars (218 psi). ? a coolant temperature rate monitor must provide a fa il-safe on / off power control for the rf equipment. ? normal tap water or de-m ineralized water may be used for cooling. the water must be reas onably free of caco 3 and clear of foreign particles or milkyness. the ph-value of the coolant should be between 6 and 8. installation the electrical connection to one electrode must be flexible in order to prevent the generation of physical forces which could damage the capacitor elements. such forces are often genera ted by the dimensional differenc es resulting from the normal physical tolerances of the capacitors. sap part number and electrical data part number ceramic cap. values (pf) rated voltage (kv p ) rated power (1) (kvar) rated current (a rms ) BW118115XT125P36CB r16 high q 125 13.5 up to 1940 203 dimensions in millimeters (inches) derating diagram related documents general in formation www.vishay.com/doc?22071 137 2 (5.39 0.08) ? 126 3 (4.96 0.12 dia.) 60 60 86 .4 0.3 (3.40 2 0 .012) m6 thread s 95 .2 0.5 3.74 8 0 .020 55 + 3 (2.17 + 0.12) 40 min. (1.57 min.) copper tube fitting s ? 8.0 (0.315) inner dia. ? 10.0 (0.394) outer dia. 10 100 1000 10 000 0.1 1 10 100 0.1 1 10 100 1000 10 000 fre q uency (mhz) 27 mhz u g q g i g i g (a rm s ) q g (kvar) u g (kv p )
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