306 e. alondra blvd. gardena, ca 90247-1059 ? phone (310) 515-1720 ? fax (310) 515-1962 wwww.jwmiller.com 9.17 smt power inductors special features ? low dcr ? ferrite toroid core for low radiation ? low loss ? high operating frequency ? ultra-low profile and compact size ? test frequency 100khz ? operating temperature: -40 to +125c ? ic style tube packaged 66/tube typical applications ? small cellular phones ? pda ? pagers ? hand-held organizers ? gps ? high frequency wireless communication devices ? laptop computers ? network cards ? cable modem ? entertainment electronic devices notes * saturation current to cause approx. 30% inductance drop ** rms current to cause approx. 40c temperature rise pm7518 series part number l (h) 20% dcr (?) max. i, sat.* (a) i, rms** (a) pm7518-1r0m 1.0 0.103 2.1 1.67 pm7518-2r2m 2.2 0.130 1.4 1.39 pm7518-4r7m 4.7 0.180 1.0 1.18 pm7518-100m 10 0.240 0.68 0.98 pm7518-150m 15 0.300 0.54 0.88 pM7518-220M 22 0.360 0.45 0.80 pm7518-330m 33 0.556 0.37 0.64 pm7518-470m 47 0.833 0.31 0.52 5.88 max 7.50 max 5.2 max 2.20 1.30 5.10 pad layout dimensions: mm 1.8 max also available as rohs compliant. 0 20 40 60 80 100 120 0 20 40 60 80 100 % of initial inductance % of saturation current inductance vs. saturation current
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