rev. 7 aluminum electrolytic capacitors meritek ns series (no sparks with dc overvoltage) f eatures ? no sparks with specified dc overvoltage applied. ? withstanding 2000 hours application of rate ripple current at 105c. s pecifications item characteristic operating temp range - 25 ~ +105 ? c rated working voltage 200 ~ 400vdc capacitance tolerance (120hz 20 ? c) ? 20%(m) leakage current (20 ? c) i ? 0.06cv + 10 ( ? a) after 2 minutes i : leakage current ( ? a) c : rated capacitance( ? f) v : working voltage (v) surge voltage (20 ? c) w.v. 200 400 s.v. 250 450 dissipation factor ( tan ? ) (120hz 20 ? c) w.v. 200 400 tan ? 0.15 0.24 low temperature stability impedance ratio at 120hz rated voltage (v) 200 400 -25 ? c / +20 ? c 4 6 load life after 2000 hours application of w.v. and +105 ? c ripple current value , the capacitor shall meet the following limits. ( dc + ripple peak voltage ? rated working voltage ) capacitance change ? ? dissipation factor ? 200% of initial specified value leakage current ? initial specified value shelf life at +105 ? c no voltage application after 1000 hours the ca pacitor shall meet the limits for load life characteristics. ( with voltage treatment ) p art n umber s ystem d imensions (mm) ns 50v 220 m ta 16x25 meritek series rated voltage rated capacitance express in micro farad(uf), first two digits are significant figures, third digit denotes number of zeros. ?r? denotes decimal point for values less than 10uf tolerance m - ? 20% package code ta tr blank tape & ammo tape & reel case size ? (d) diameter x (l) length in mm (optional) ? d 16 18 f 7.5 7.5 d 0.8 0.8 a 1.5 1.5
rev. 7 aluminum electrolytic capacitors meritek ns series (no sparks with dc overvoltage) r ipple c urrent c oefficients frequency(hz) 60 120 1k 10k 100k w.v. multiplie r 200v 0.80 1.00 1.30 1.40 1.60 400v 0.75 1.00 1.50 1.75 1.85 c ase s ize & m ax r ipple c urrent cap. (uf) v 200 400 item dxl r.c. dxl r.c. 22 16x25 170 33 16x25 210 39 16x31.5 260 18x25 250 47 16x31.5 280 56 16x40 340 18x31.5 330 68 18x35.5 380 82 18x40 440 100 16x25 400 120 16x31.5 480 18x25 470 150 16x31.5 540 18x25 520 180 16x40 660 18x31.5 630 220 18x35.5 730 18x40 770 dc o vervoltage t est c ondition the vent will be operated and the capacity shall become an open circuit without burning the material when the following excess dc voltage is applied. rated current test dc voltage 200 vdc 4a 300/375 vdc 400 vdc 2a 500/600 vdc temperature( ? c) 65 85 105 multiplie r 1.80 1.50 1.00 case size : dxl (mm) max. ripple current : ma(rms) 105 ? c 120hz ac input sw cx + - constant dc voltage/current power supply
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