s m t p o w e r i n d u c t o r si54 t ype delt a electronics, inc. (taoyuan plant cpbg) rohs compliant. mounting. low profile (3.5mm max. height) smd type. unshielded.self-leads, suitable for high density high energy storage and low dcr. provided with embossed carrier tape packing. ideal for power source circuits, dc-dc converter, dc-ac inverters inductor applications. in addition to the standard versions shown here, customized inductors are available to meet your exact requirements. features electrical characteristics: 4 0 . 0 0 0 . 0 1 0 . 1 0 1 . 0 0 1 0 . 0 0 c u r r e n t ( a ) 0 . 1 0 1 . 0 0 1 0 . 0 0 1 0 0 . 0 0 i n d u c t a n c e ( u h ) 6 8 0 5 6 0 4 7 0 3 9 0 3 3 0 2 7 0 2 2 0 1 8 0 1 5 0 1 2 0 1 0 0 8 r 2 6 r 8 5 r 6 4 r 7 3 r 9 2 r 2 1 r 8 1 r 5 1 r 0 2 r 7 3 r 3 252, san ying road, kueisan industrial zone, taoyuan shien, 333, taiwan, r .o.c. tel: 886-3-3591968; fax: 886-3-3591991http://www.deltaww .com 25 1khz, 1v o c, si54 - 1r0 1.0 0.0480 2.70 si54a - 1r0 1.0 0.0200 5.60 si54 - 1r5 1.5 0.0560 2.60 si54 - 1r8 1.8 0.0630 2.00 si54 - 2r2 2.2 0.0710 1.90 si54 - 2r7 2.7 0.0780 1.80 si54 - 3r3 3.3 0.0860 1.70 si54a - 3r3 3.3 0.0860 2.90 si54 - 3r9 3.9 0.0930 1.60 si54 - 4r7 4.7 0.1080 1.50 si54a - 4r7 0.3 0.0108 2.50 si54 - 5r6 5.6 0.1250 1.40 si54 - 6r8 6.8 0.1310 1.30 si54 - 8r2 8.2 0.1460 1.20 si54 - 100 10.0 0.1820 1.10 si54 - 120 12.0 0.2100 0.97 si54 - 150 15.0 0.2350 0.85 si54 - 180 18.0 0.3380 0.74 si54 - 220 22.0 0.3780 0.68 si54 - 270 27.0 0.5220 0.62 si54 - 330 33.0 0.5400 0.56 si54 - 390 39.0 0.5870 0.52 si54 - 470 47.0 0.8440 0.44 si54a - 470 0.3 0.8440 0.77 si54 - 560 56.0 0.9370 0.42 si54a - 560 0.3 0.9370 0.75 si54 - 680 68.0 1.1170 0.37 part no. l (u h) 1 dc r ( ) m ax ira te d (a dc ) 2 1. t olerance of inductance : 15% for 1.0~8.2uh, 10% for 10~68uh. 2. irated is the dc current which cause the inductance drop less than 10%(20% for a-3r3 & a-4r7) of its nominal o inductance without current and the surface temperature of the part increase less than 45 c. oo 3. operating temperature: -20 c to 105 c (including self-temperature rise). mechanical dimension: 4. 0 b c 5. 2 1. 0 d a unit:mm/inch a = 4.5 0.15 / 0.177 0.006 b = 4.0 0.15 / 0.157 0.006 c = 3.2 0.3 / 0.126 0.012 d = 1.0 0.2 / 0.039 0.008 recommended pad pa tterns
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