27 protection medium power film capacitors fpx applications protection of thyristors. protection of gate turn-off thyristor (g.t.o.). clamping (secondary snubber). technology metallized polypropylene dielectric capacitor with controlled self-healing. reinforced metallization developed for high impulse currents. axial connections specially developed to reduce series inductance and to provide rigid mechanical mounting. packaging cylindrical in plastic case filled with thermosetting resin. outputs: threaded inserts either m6 or m8. capacitance range c n 0.5? to 6? tolerance on c n ?% rated dc voltage v n dc 1000 to 3000 v peak voltage v peak 1600 to 4000 v allowable overvoltage v s (for 10 s/day) 2000 to 4600 v stray inductance 5 to 20 nh rms current i rms max. = up to 160 a the currents shown in the tables are maximum. it is necessary to respect the thermal limits of the dielectric 85? see ?ot spot temperature calculation insulation resistance r i x c 30,000 s impulse current i 2 .t maxi. = up to 729 a 2 .s spikes or peak currents in the capacitors may cause a deterioration of the bonding between the metallization and the connections. these bonds are capable of withstanding only a limited amount of energy for each spike. the table shows the maximum energy permitted in the form (i 2 .t), where i is in ampere, and t is in seconds. note: the formula (i 2 .t) replaces dv/dt which is less easy to use as it is not an expression of energy (i = c.dv/dt). this type of capacitor has been designed to withstand high (i 2 .t) values. variation of capacitance with temperature ? c c ?% between -40 and 85? climatic category 40/085/56 (iec 68) test voltage between terminals @ 25? v s for 10s test voltage between terminals and case @ 25? @ 4 kvrms @ 50 hz for 1 min. protection electrical characteristics for higher power protection devices and further information please see ppx series in capacitor for high power electronics available on avx website: www.avxcorp.com
28 protection choice of voltage: v 1 v peak v 2 v n dc nominal dc voltage (v n dc) and peak voltage (v peak ) are given in the tables. medium power film capacitors fpx general description / application notes g.t.o. choice of voltage: v 1 v peak v 2 v n dc nominal dc voltage (v n dc) and peak voltage (v peak ) are given in the tables. clamping choice of voltage: v 1 v peak note that v 1 is the voltage peak to peak and cannot be symmetrical vs 0 v peak voltage is given in the tables. v 0 t - 1/fr v 2 v 1 t thyristor protection v t 0v v 1 for higher power protection devices and further information please see ppx series in capacitor for high power electronics available on avx website: www.avxcorp.com
29 protection * tol: +0 / -3mm for h 118mm medium power film capacitors fpx table of values dimensions i 2 .t i rms rs rth cn case h* h d max. max. part number (f) type 0.5 2 d 0.1 (a 2 .s) (a) (m ? )( c/w) (0.020) (0.079) max. fpx 2000 v v n dc = 1000 v v peak = 1600 v v rms = 560 v v s = 2000 v 1 plastic case m6/6 52 (2.072) 5 (0.197) 40 (1.575) 18 (0.709) 2 15 2.4 14 fpx66n0105j-- 2 plastic case m8/8 52 (2.072) 5 (0.197) 60 (2.362) 22 (0.866) 8 30 1.2 6.1 fpx86n0205j-- 3 plastic case m8/8 52 (2.072) 5 (0.197) 72 (2.835) 22 (0.866) 18 45 0.9 4.5 fpx86n0305j-- 3.5 plastic case m8/8 52 (2.072) 5 (0.197) 72 (2.835) 22 (0.866) 25 50 0.85 4.5 fpx86n0355j-- 4 plastic case m8/8 52 (2.072) 5 (0.197) 82 (3.228) 22 (0.866) 32 60 0.75 3.5 fpx86n0405j-- 5 plastic case m8/8 52 (2.072) 5 (0.197) 82 (3.228) 22 (0.866) 50 70 0.65 2.5 fpx86n0505j-- fpx 2500 v v n dc = 1300 v v peak = 2000 v v rms = 700 v v s = 2500 v 0.5 plastic case m6/6 52 (2.072) 5 (0.197) 40 (1.575) 18 (0.709) 1 15 3 14 fpx66p0504j-- 1 plastic case m8/8 52 (2.072) 5 (0.197) 60 (2.362) 22 (0.866) 3 20 2.3 10.5 fpx86p0105j-- 1.5 plastic case m8/8 52 (2.072) 5 (0.197) 60(2.362) 22 (0.866) 7 30 1.5 6.1 fpx86p0155j-- 2 plastic case m8/8 52 (2.072) 5 (0.197) 72 (2.835) 22 (0.866) 12.7 40 1.1 4.5 fpx86p0205j-- 2.5 plastic case m8/8 52 (2.072) 5 (0.197) 72(2.835) 22 (0.866) 20 60 0.89 3.7 fpx86p0255j-- 3 plastic case m8/8 52 (2.072) 5 (0.197) 82 (3.228) 22 (0.866) 28 60 0.85 3.2 fpx86p0305j-- 3.5 plastic case m8/8 52 (2.072) 5 (0.197) 82(3.228) 22 (0.866) 39 65 0.78 2.9 fpx86p0355j-- fpx 3500 v v n dc = 2000 v v peak = 2400 v v rms = 850 v v s = 3500 v 2 plastic case m8/8 62 (2.441) 5 (0.197) 72 (2.835) 22 (0.866) 23 41 1.24 6.1 fpx86x0205j- 3 plastic case m8/8 62 (2.441) 5 (0.197) 92 (3.622) 22 (0.866) 50 62 0.92 3.9 fpx86x0305j-- 3.5 plastic case m8/8 62 (2.441) 5 (0.197) 92 (3.622) 22 (0.866) 70 72 0.83 3.4 fpx86x0355j-- 4 plastic case m8/8 62 (2.441) 5 (0.197) 92 (3.622) 22 (0.866) 85 80 0.78 3.1 fpx86x0405j-- fpx 4500 v v n dc = 2500 v v peak = 3200 v v rms = 1130 v v s = 4500 v 1 plastic case m8/8 62 (2.441) 5 (0.197) 72 (2.835) 22 (0.866) 15 38 1.4 6.2 fpx86z0105j-- 2 plastic case m8/8 62 (2.441) 5 (0.197) 92 (3.622) 22 (0.866) 70 75 0.85 3.1 fpx86z0205j-- fpx 4600 v v n dc = 3000 v v peak = 4000 v v rms = 1400 v v s s = 4600 v 0.68 plastic case m8/8 62 (2.441) 5 (0.197) 72 (2.835) 22 (0.866) 14 35 1.59 6.2 fpx86y0684j-- 1.25 plastic case m8/8 62 (2.441) 5 (0.197) 92 (3.622) 22 (0.866) 50 65 1 3.3 fpx86y1254j-- 1.5 plastic case m8/10 79 (3.110) 6 (0.236) 97 (3.819) 32 60 1.4 8.3 fpx86y0155j-- 1.7 plastic case m8/10 79 (3.110) 6 (0.236) 97 (3.819) 40 70 1.3 7.4 fpx86y0175j-- 2 plastic case m8/10 79 (3.110) 6 (0.236) 97 (3.819) 56 80 1.1 6.3 fpx86y0205j-- 2.5 plastic case m8/10 118 (4.646) 6 (0.236) 97 (3.819) 200 130 0.8 3.3 fpx86y0255j-- 2.7 plastic case m8/10 118 (4.646) 6 (0.236) 97 (3.819) 232 140 0.7 3.2 fpx86y0275j-- 3 plastic case m8/10 143 (5.630) 6 (0.236) 97 (3.819) 128 100 0.9 4.4 fpx86y0305j-- 3.5 plastic case m8/10 143 (5.630) 6 (0.236) 97 (3.819) 170 110 0.8 4.2 fpx86y0355j-- 4 plastic case m8/10 143 (5.630) 6 (0.236) 97 (3.819) 224 115 0.8 4.0 fpx86y0405j-- 4.5 plastic case m8/10 163 (6.417) 6 (0.236) 97 (3.819) 522 120 0.6 5.0 fpx86y0455j-- 5 plastic case m8/10 163 (6.417) 6 (0.236) 97 (3.819) 600 130 0.6 5.0 fpx86y0505j-- 6 plastic case m8/10 163 (6.417) 6 (0.236) 97 (3.819) 729 160 0.5 5.0 fpx86y0605j-- protection dimensions: millimeters (inches) for higher power protection devices and further information please see ppx series in capacitor for high power electronics available on avx website: www.avxcorp.com
30 protection medium power film capacitors fpx dimensions: millimeters (inches) general tolerance: 2 a 4 (0.16) a dmax d plastic case or resin molding resin tinned output m6/6 or m8/8 h 2 (0.079) max torque:10nm (m8) 6nm (m6) h* 0.5 (0.020) h 2 (0.079) tpc *h = 52 for 2000 or 2500v m6/6 m8/8 *h = 62 for 3500 or 4500v m8/8 design plastic case m6 / 6 or m8 / 8 protection marking logo withstanding surge voltage capacitance and tolerance in clear nominal dc voltage in clear rms current in clear date of manufacture (iec coding) tpc max torque: 10nm the positions of the connections of each side are not indexed dimensions: millimeters (inches) general tolerance: 2 a h 79mm (3.11) 4 (0.16) a 28 (1.103) 0.1 (0.004) plastic case d max resin tinned output m8 (0.315) /10 (0.394) m8 (0.315) /10 (0.394) 6.00 (0.236) 6.00 (0.236) 23 (0.906) 0.50 (0.020) plastic case m8 / 10 hot spot temperature calculation hot spot = terminals + (p d + p t ) x r th with p d (dielectric losses) = q x tg 0 ? [ 1 2 x c n x (v peak to peak ) 2 x f ] x (2 x 10 -4 ) p t (thermal losses) = r s x (i rms ) 2 where c n in farads v in volts i rms in amperes r s in ohms f in hertz in ? r th in ?/w due to the design of the capacitor and its technology, the thermal impedance between the terminations and the core of the capacitor is low, it is necessary to take care that the capacitor is never overheated by use of incorrect sized connections. in the case where the series diodes are screwed to the capacitor, cooling of the diodes must be taken in account. do not use the capacitor as a heat sink. due to the complexity of the diode/capacitor thermal exchanges, we recommend that thermal measurements shall be made on the different components. we would be pleased to advise you on specific problems. working temperature (according to the power to be dissipated) -40? to +85? for higher power protection devices and further information please see ppx series in capacitor for high power electronics available on avx website: www.avxcorp.com
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