sealed powe r inductors - lvf series lvf series lvf series, an automatic assembly power inductor, is shielded with magnetic resin and suitable for the portable dc-dc converter application. features applications ? rohs compliant ? low dc resistance and high current. ? highly accurate dimensions can be mounted automatically ? superior emi electrical with ultra low radiation comparing to conventional shielded power inductors ? halogen free ? smart phone, dsc, tablet pc and other portable devices ? dc/dc converters product identification shapes and dimensions recommended pattern dimensions in mm type a b c d h i j lvf252a12 2.50.25 2.00.25 1.20.05 0.8 2.2 0.85 0.8 www.datasheet.co.kr datasheet pdf - http://www..net/
sealed power i nductors ? lvf s eries electrical characteristics part number inductance (uh) test frequency (mhz) tolerance (%) rdc ( ) 30% isat (ma)typ irms (ma)typ lvf252a12-r47 -n 0.47 1 20, 30 0.027 3700 3100 lvf252a12-r50 -n 0.50 1 20, 30 0.028 3500 3000 lvf252a12-2r2 -n 2.2 1 20, 30 0.080 1850 2200 lvf252a12-4r7 -n 4.7 1 20, 30 0.190 1250 1100 lvf252a12-100 -n 10 1 20, 30 0.385 880 700 ? when ordering, please specif y tolerance and packaging codes. ? tolerance t = 30% , m = 20% ? l : agilent/hp4287a+ agilent/hp16197a, 1mhz 200mv ? rdc : digital milliohm m eter chroma 16502,or equivalent ? isat & irms : agilent/hp4284a, 1mhz 200mv ? isat for inductance drop 30% from its value without current. ? irms for a 40 rise above 25 ambient. ? operating temperature range from -25 to 105 . (including self - temperature rise) test instruments hp4284a material/impedance analyzer inductance vs. dc current 0 2 4 6 8 10 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 3300 3600 3900 4200 dc current(ma) l(uh) 100 4r7 2r2 r47 tem perature change vs. dc current 0 10 20 30 40 50 60 70 80 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 3300 3600 3900 4200 dc current(ma) t( ) r47 100 2r2 4r7 www.datasheet.co.kr datasheet pdf - http://www..net/
sealed powe r inductors - lvf series packaging specifications tape dimensions reel dimensions dimensions in mm tape dimensions reel dimensions quantity type a0 b0 k0 d e f w p p0 p2 a b c d e pcs / reel lvf252a12 2.40 2.70 1.30 1.55 1.75 3.5 8.1 4 4 2 180 60 13 14.4 8.4 2000 www.datasheet.co.kr datasheet pdf - http://www..net/
|
