power inductor< pin type : rch series> type: RCH-108 please refer to the sales offices on our website for a representative near you www.sumida.com 1/2 product description ? 10.5mm max. , 8.5mm max. height. ? inductance range: 2.2 h 1.0mh ? rated current range: 0.45 7.9a ? in addition to the standard versions of inductors shown here, custom inductors are available to meet your exact requirements. feature ? magnetically unshielded construction. ? ideally used in printers, lcd tv, dvd, printer, copy machine, mainboard of the compounding machines, etc as power supplies?s inductors or dc-dc converter inductors. ? rohs compliance dimensions (mm) schematics (bottom) (2.2 h 15 h) (18 h 1.0mh) to be connected between #1 and #4, #2 and #3 (2.2 h 15 h) when used. it is no matter for the electric characteristics if terminal 1 is connected to terminal 4, terminal 2 is connected to terminal 3 with solder. (on the bottom of drum core) (2.2 h 15 h) 8.00.5 3.5 1.0 10.00.5 0.7-0.05 +0.1 5.00.3 4.00.3
power inductor< pin type : rch series> type: RCH-108 please refer to the sales offices on our website for a representative near you www.sumida.com 2/2 specification part name stamp inductance [within] 1 . . . ( ) [max.] (at 20 ) rated current ( ) 2 s.r.f. (mhz) mounting holes (mm) 3 rch1?8np-2r2m rch1?8np-2r7m rch1?8np-3r7m 2r2m 2r7m 3r7m 2.2 h 20 % 2.7 h 20 % 3.7 h 20 % 8.5m 9.6m 10.9m 7.9 7.2 6.3 46 35 32 1.4 1.4 1.4 rch1?8np-4r7m rch1?8np-6r2m rch1?8np-8r2m 4r7m 6r2m 8r2m 4.7 h 20 % 6.2 h 20 % 8.2 h 20 % 11.7m 15.3m 17.0m 5.7 5.3 5.0 28 26 18 1.4 1.4 1.4 rch1?8np-1??m rch1?8np-12?m rch1?8np-15?m 100m 120m 150m 10 h 20 % 12 h 20 % 15 h 20 % 27.0m 31.0m 36.0m 4.5 4.1 3.7 14 10 9 1.2 1.2 1.2 rch1?8np-18?m rch1?8np-22?m rch1?8np-27?m 180m 220m 270m 18 h 20 % 22 h 20 % 27 h 20 % 49.0m 55.0m 62.0m 3.4 3.1 2.8 17 16 13 1.4 1.4 1.4 rch1?8np-33?k rch1?8np-39?k rch1?8np-47?k 330k 390k 470k 33 h 10 % 39 h 10 % 47 h 10 % 79.0m 87.0m 99.0m 2.5 2.3 2.1 12 11 10 1.2 1.2 1.2 rch1?8np-56?k rch1?8np-68?k rch1?8np-82?k 560k 680k 820k 56 h 10 % 68 h 10 % 82 h 10 % 0.13 0.14 0.16 1.9 1.7 1.6 8.6 7.6 7.4 1.2 1.2 1.2 rch1?8np-1?1k rch1?8np-121k rch1?8np-151k 101k 121k 151k 100 h 10 % 120 h 10 % 150 h 10 % 0.21 0.24 0.32 1.4 1.3 1.2 6.5 6.2 5.1 1.2 1.2 1.0 rch1?8np-181k rch1?8np-221k rch1?8np-271k 181k 221k 271k 180 h 10 % 220 h 10 % 270 h 10 % 0.35 0.45 0.61 1.1 0.96 0.87 4.6 4.3 4.0 1.0 1.0 1.0 rch1?8np-331k rch1?8np-391k rch1?8np-471k 331k 391k 471k 330 h 10 % 390 h 10 % 470 h 10 % 0.69 0.78 1.0 0.79 0.72 0.66 3.7 3.2 3.0 1.0 1.0 1.0 rch1?8np-561k rch1?8np-681k rch1?8np-821k 561k 681k 821k 560 h 10 % 680 h 10 % 820 h 10 % 1.2 1.4 1.8 0.60 0.55 0.50 2.8 2.6 2.3 1.0 1.0 1.0 rch1?8np-1?2k 102k 1.0mh 10 % 2.1 0.45 2.1 1.0 1:measuring frequency: 2.2 h 8.2 h at 7.96mhz 10 h 1.0mh at 1khz 2: rated current: the dc current at which the inductance decreases 90% of it?s initial value or when t=40 , whichever is lower(ta 20 ) 3:please give sufficient consideration to the thick wire used when mounted into the p.c.b..
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