usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 39 spm2007 (11/07) smt power inductors shielded drum core - p1172nl/p1173nl series mechanical schematic: weight . . . . . . . . 4.5 grams tape & reel . . . . . . 400/reel dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 height: 8.0mm max footprint: 12.2mm x 12.2mm max current rating: up to 14a inductance range: .8h to 51h part 2,3 inductance inductance irated 5 dcr (m ) saturation 6 heating 7 core loss 8 srf numbers @0a dc @irated (a dc ) current current factor (mhz) ( h) ( h) min typ max -25% (a) +40c(a) (k2) p1172.132nl p1173.132nl 1.3* 0.8 14 2.3 3 15 14 90 >40 p1172.202nl p1173.202nl 2.0* 1.3 10 4.5 6 13 10 110 >40 p1172.272nl p1173.272nl 2.7* 1.8 9 5.8 7.3 11 9 130 >40 p1172.372nl p1173.372nl 3.7* 2.4 8.3 6.8 8.5 9.2 8.3 150 37 p1172.472nl p1173.472nl 4.7* 3.1 7.9 7.6 9.5 8.2 7.9 170 33 p1172.602nl p1173.602nl 6.0* 3.9 6 13 16.5 6.9 6 200 30 p1172.762nl p1173.762nl 7.6* 4.9 5.7 14.3 18.5 6.2 5.7 220 25 p1172.103nl p1173.103nl 10 7.5 5.2 17.3 21.8 5.5 5.2 250 20 p1172.123nl p1173.123nl 12 9 4.5 23.3 29 5.1 4.5 280 18 p1172.153nl p1173.153nl 15 11.3 4.1 28.3 35.4 4.4 4.1 300 15 p1172.183nl p1173.183nl 18 13.5 4 29.4 37 4.3 4 340 13 p1172.223nl p1173.223nl 22 16.5 3.8 33.2 42 3.8 3.8 370 12 p1172.273nl p1173.273nl 27 20.3 3.4 36.2 45.9 3.4 3.6 410 11 p1172.333nl p1173.333nl 33 24.8 3 49.3 64.8 3 3.1 460 10 p1172.393nl p1173.393nl 39 29.3 2.7 65.2 81.5 2.8 2.7 490 8 p1172.473nl p1173.473nl 47 35.3 2.6 71.4 89 2.6 2.6 550 7 p1172.683nl p1173.683nl 68 51 2.1 108 135 2.1 2.1 670 6 * inductance at 0a dc tolerance on indicated part numbers is 30%; tolerance is 20% on all other parts. notes from table: (see page 43) electrical specifications @ 25c ? operating temperature -40c to +130c
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usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 43 spm2007 (11/07) smt power inductors shielded drum core series notes from tables (pages 27 - 42) 1. unless otherwise specified, all testing is made at 100khz, 0.1vac. 2. optional tape & reel packaging can be ordered by adding a " t " suffix to the part number (i.e. p1166.102nl becomes p1166.102nl t ). pulse complies with industry standard tape and tape & reel specification eia481. 3. the " nl " suffix indicates an rohs-compliant part number. non-nl suffixed parts are not necessarily rohs compliant, but are electrically and mechanically equivalent to nl versions. if a part number does not have the " nl " suffix, but an rohs compliant version is required, please contact pulse for availability. 4. temperature of the component (ambient plus temperature rise) must be within specified operating temperature range. 5. the rated current (irated) as listed is either the satura- tion current or the heating current depending on which value is lower. 6. the saturation current, isat, is the current at which the component inductance drops by the indicated percentage (typical) at an ambient temperature of 25c. this current is determined by placing the component in the specified ambient environment and applying a short duration pulse current (to eliminate self-heating effects) to the component. 7. the heating current, idc, is the dc current required to raise the component temperature by the indicated delta (approximately). the heating current is determined by mounting the component on a typical pcb and applying current for 30 minutes. the temperature is measured by placing the thermocouple on top of the unit under test. 8. in high volt*time (et) or ripple current applications, addi- tional heating in the component can occur due to core losses in the inductor which may necessitate derating the current in order to limit the temperature rise of the component. in order to determine the approximate total loss (or temperature rise) for a given application, both copper losses and core losses should be taken into account. estimated temperature rise: trise = [total loss (mw) / k0] .833 ( o c ) total loss = copper loss + core loss (mw) copper loss = i rms 2 x dcr (typical) (mw) irms = [i dc 2 + i 2 /12] 1/2 (a) core loss = k1 x f (khz) 1.23 x bac(ga) 2.38 (mw) bac (peak to peak flux density) = k2 x i (ga) [= k2/l(h) x et(v-sec) (ga)] where f varies between 25khz and 1mhz, and bac is less than 2500 gauss. k2 is a core size and winding dependant value and is given for each p/n in the proceeding datasheets. k0 & k1 are platform and material dependant constants and are given in the table below for each platform. pg0085/86 2.3 5.29e-10 pg0087 5.8 15.2e-10 pg0040/41 0.8 2.80e-10 p1174 0.8 6.47e-10 pf0601 4.6 14.0e-10 pf0464 3.6 24.7e-10 pf0465 3.6 33.4e-10 p1166 1.9 29.6e-10 p1167 2.1 42.2e-10 pf0560nl 5.5 136e-10 p1168/69 4.8 184e-10 p1170/71 4.3 201e-10 p1172/73 5.6 411e-10 pf0552nl 8.3 201e-10 pf0553nl 7.1 411e-10 part no. trise factor core loss factor (k0 ) (k1) take note that the component's temperature rise varies depending on the system condition. it is suggested that the component be tested at the system level, to verify the temperature rise of the component during system operation.
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