inductance inductance saturation 2 heating 3 core loss part 6 @0a d c @irated irated 1 dcr current isat current i d c factor number (h 10%) (h typ) (a dc ) (m w 10%) (a typ) (a typ) k2 25c 100c pa2050.582nl 5.8 5.8 14.4 4.4 22 17 14.4 155 pa2050.782nl 7.8 7.8 13.3 5.1 18 16 13.3 181 pa2050.103nl 10.2 10.2 12.5 5.8 16 15 12.5 206 pa2050.163nl 16.0 16.0 9.9 9.1 12 11 9.9 258 pa2050.193nl 19.4 19.4 8.5 12.6 11 10 8.5 284 pa2050.233nl 23.0 23.0 8.0 13.7 9.8 8 8.1 310 pa2050.273nl 27.0 26.2 7.8 14.9 9 8 7.8 335 pa2050.313nl 31.4 30.6 6.7 20.2 8.4 8 6.7 361 pa2050.363nl 36.0 35.2 6.0 21.6 8 6 6.5 387 pa2050.393nl 38.9 37.5 6.0 18.8 6.3 6 6.2 482 pa2050.413nl 41.0 40.0 6.0 23.1 7.3 6 6.2 413 pa2050.583nl 57.8 57.8 5.0 34.5 6.2 5 5.1 490 smt power inductors wire wound - pa2050.xxxnl series height: 12.2mm max footprint: 22.2mm x 19.1mm max current rating: over 22apk inductance range: 5.8h to 57h notes: 1. the rated current as listed is either the saturation current or the heating current depending on which value is lower. 2. the saturation current is the typical current which causes the induc - tance to drop by 20% at the stated ambient temperatures (25c and 100c). 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. 3. the heating current is the dc current which causes the part temperature to increase by approximately 40c. 4. in high volt*time applications, additional heating in the component can occur due to core losses in the inductor which may neccessitate derat - ing the current in order to limit the temperature rise of the component. to determine the approximate total losses (or temperature rise) for a given application, the coreloss and temperature rise formula can be used: d b (gauss) = k2 * d i core loss (w) = 1.5e-13 * (freq_khz) 1.63 * d b 2.62 5.the temperature of the component (ambient plus temperature rise) must be within the stated operating temperature range. ????????? ?????????? ?? ???? ???? ??? ????? ???? ????? ? ? ? ?????? ?????? ???? ???? ???? ???? ???? ?? ???? ???? ???? ???? ? ??????????? ??????????????????? ?????? ?? ??? ? ? ? ???? ????? ??? ???? ????? ??? ???? ????? ??? ? ? mechanical schematic dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 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 p661.b (1/10) electrical specifications @ 25c operating temperature - 40c to +130c 1 ?????? ????????? ??????????? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ?????? ?????? ????????? ??????????? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ??????? ? ?? ?? ?? ?? ?? ?? ?? ?? ? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ? ??? ?????? ? ????? ?????? ???? ?? ? ?????????? ?? ? ??????? ???????????????? ? ?? ??????? ? ???????? ????????? ?? ?????? ?? ? ??? ? ???????? ? ???????????????????????? ?????
?????? ????????? ??????????? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ?????? ?????? ????????? ??????????? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ??????? ? ?? ?? ?? ?? ?? ?? ?? ?? ? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ? ??? ?????? ? ????? ?????? ???? ?? ? ?????????? ?? ? ??????? ???????????????? ? ?? ??????? ? ???????? ????????? ?? ?????? ?? ? ??? ? ???????? ? ???????????????????????? ????? ?????? ????????? ??????????? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ?????? ?????? ????????? ??????????? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ??????? ? ?? ?? ?? ?? ?? ?? ?? ?? ? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ? ??? ?????? ? ????? ?????? ???? ?? ? ?????????? ?? ? ??????? ???????????????? ? ?? ??????? ? ???????? ????????? ?? ?????? ?? ? ??? ? ???????? ? ???????????????????????? ????? smt power inductors wire wound - pa2050.xxxnl series for more information: pulse worldwide headquarters 12220 world trade dr. san diego, ca 92128 u.s.a. www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 pulse south asia 150 kampong ampat #07-01/02 ka centre singapore 368324 tel: 65 6287 8998 fax: 65 6280 0080 pulse north asia no. 26 kao ching rd. yang mei chen tao yuan hsien taiwan, r. o. c. tel: 886 3 4641811 fax: 886 3 4641911 pulse china headquarters b402, shenzhen tech-innovation international tenth kejinan rd. high-tech industrial park nanshan district, shenzhen china tel: 86 755 33966678 fax: 86 755 33966700 pulse north china room 1503 xinyin building no. 888 yishan rd. shanghai 200233 china tel: 86 21 54643211/2 fax: 86 21 54643210 pulse europe einsteinstrasse 1 d-71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 12 www.pulseeng.com p661.b (1/10) performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change without notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ? copyright, 2010. pulse engineering, inc. all rights reserved. inductance vs current characteristics
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