document number: 13015 for tec hnical questions, contact: esta@vishay.com www.vishay.com revision: 11-aug-10 1 high voltage dc filter capacitors ec vishay esta type ec the ec range of capacitors are similar in design to the et range but are housed in a more robust container. they are manufactured using a mixed diel ectric material that consists of polyester/polypropylene fi lm and capacitor tissue. they are impregnated and filled with a mineral oil. the container is a synthetic resin bonded paper (srbp) tube sealed at both ends with resin assuring a hermetic seal. the capacitors may be used in air, oil or sf6. they are terminated with m6 studs x 15 mm long or tinned copper wire. note ? the impregnant used is a non to xic highly purified and inhibited mineral oil applications the ec range of capacitors are specifically designed for high voltage filters and can be sucessfully used in the following applications: ? high voltage smoothing ? induction heating ? rt transmitter power supplies ? x-ray power supplies temperature range temperature range is - 40 c to + 85 c. derating is required for operation at higher temperatures. temperature coefficient capacitance will increase by 2 % per 100 c temperature rise. capacitance range 0.001 f to 2 f. the tolerance is 10 %. other tolerance are available on request. normal values measured at 1 khz. voltage range 1000 v dc to 100 000 v dc test voltage terminal/terminal (vt/t) for dc rating < 20 kv vt/t = 2.0 x rated voltage 60 s for dc rating > 20 kv vt/t = 1.5 x rated voltage 60 s dimensions in millimeters type description part number cap. f l mm d mm 10 kv ec100-104 0.1 115 65 ec100-254 0.25 140 75 ec100-504 0.5 205 95 20 kv ec200-503 0.05 180 65 ec200-104 0.1 230 65 ec200-254 0.25 280 75 ec200-504 0.5 360 95 30 kv ec300-253 0.025 245 65 ec300-503 0.05 320 65 ec300-104 0.1 395 65 ec300-254 0.25 510 75 40 kv ec400-253 0.025 305 65 ec400-503 0.05 410 65 ec400-104 0.01 345 95 ec400-124 0.12 440 95 50 kv ec500-103 0.01 270 65 ec500-253 0.025 335 65 ec500-503 0.05 430 75 ec500-104 0.1 430 95 60 kv ec600-502 0.005 310 65 ec600-103 0.01 310 75 ec600-253 0.025 390 75 ec600-503 0.05 500 75 ec600-104 0.1 615 95 80 kv ec800-502 0.005 400 65 EC800-103 0.01 400 75 ec800-253 0.025 500 95 ec800-503 0.05 650 95 100 kv ec1000-502 0.005 485 65 ec1000-103 0.01 485 75 ec1000-253 0.025 610 95 120 kv ec1200-502 0.005 425 75 15 15 l d 5
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