part 6 number inductance 1 ( h) test frequency (khz) i dc max 2 (a) dcr max ( ? ) features -will handle up to 1.84a -economical design -suitable for pick and place - withstands solder re?ow -shielded design applications -dc/dc converters -output power chokes -handheld and pda applications -battery powered or low voltage applications surface mount power inductors ls74 series mechanical electrical specifications speci?cations subject to change without notice. packaging -reel diameter: 330mm -reel width: 16.3mm -pieces per reel: 1000 ls-5 1. tested @ 1khz, 0.25vrms. 2. inductance drop = 10% at rated i dc max. 3. electrical speci?cations at 25oc. 4. operating temperature range: -40oc to +85oc. 5. meets ul 94v-0. 6. optional tolerances: 10%(k), 15%(l), and 30%(n). ??? ?????? ? ?? ? ? ?? ???????? ?? ? ??? ?????????? ? ?????????? ? ??????????? ?? ? ?? ? ?? ? ?????? ? ls74-100-rm ls74-120-rm ls74-150-rm ls74-180-rm ls74-220-rm ls74-270-rm ls74-330-rm ls74-390-rm ls74-470-rm ls74-560-rm ls74-680-rm ls74-820-rm ls74-101-rm ls74-121-rm ls74-151-rm ls74-181-rm ls74-221-rm ls74-271-rm ls74-331-rm ls74-391-rm LS74-471-RM ls74-561-rm ls74-681-rm ls74-821-rm ls74-102-rm 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 0.049 0.058 0.081 0.091 0.11 0.15 0.17 0.23 0.26 0.35 0.38 0.43 0.61 0.66 0.88 0.98 1.17 1.64 1.86 2.85 3.01 3.62 4.63 5.20 6.00 1.84 1.71 1.47 1.31 1.23 1.12 .96 .91 .88 .75 .69 .61 .60 .52 .46 .42 .36 .34 .32 .29 .26 .23 .22 .20 .18 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (10/06) ????????????????????? ????????????????????? ???????????????? ???? ??????????????????? ????? ???????? ?? ??
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