p704.a (10/11) 1 pulseelectronics.com smt power inductors wire wound - pa2729.xxxnl series height: 12.2mm max footprint: 22.2 x 19.1mm max current rating: over 20apk inductance range: 4.7 h to 60 h higher efficiency version of pa2050.xxxnl series in same footprint usa 858 674 8100 germany 49 7032 7806 0 singapore 65 6287 8998 shanghai 86 21 62787060 china 86 755 33966678 taiwan 886 3 4356768 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 inductance to drop by 20% at the stated ambient temperatures (25 c and 100 c). this current is determined by placing the component in the specifed ambient environment and applying a s hort duration pulse current (to eliminate self-heating efects) to the component. 3. the heating current is the dc current which causes the part temperature to increase by approximately 40 c. 4 . in high volt*time applications, additional heating in the component can occur due to core losses in the inductor which may neccessitate derating 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: b (gauss) = k2 * i core loss (w) = 1.5e-13 * (freq_khz) 1.63 * b 2.62 5. the temperature of the component (ambient plus temperature rise) must be within the stated operating temperature range. electrical specifcations @ 25c - operating temperature -55c to +130c part number inductance @ 0adc ( h +/- 15%) inductance @ irated ( h typ ) irated (a ) dcr (m 10%) saturation current isat (a typ) heating current i (a typ) core loss factor k2 25 c 100 c pa2729.502nl 4.9 4.7 16.4 3.4 20.9 17.1 16.4 158 pa2729.602nl 6.0 5.7 14.4 4.4 19.6 16.1 14.4 155 pa2729.802nl 8.3 7.9 13.3 5.1 16.8 13.8 13.3 181 pa2729.113nl 10.9 10.5 12.5 5.8 14.7 12.1 12.5 206 pa2729.173nl 17.1 16.8 9.9 9.1 11.7 9.6 9.9 258 pa2729.203nl 20.7 20.1 8.5 12.0 10.7 8.8 8.5 284 pa2729.243nl 24.5 23.0 8.1 12.5 9.8 8.0 8.1 310 pa2729.283nl 28.1 27.8 7.8 14.0 9.0 7.4 7.8 335 pa2729.333nl 32.9 31.5 6.7 18.5 8.4 6.9 6.7 361 pa2729.383nl 38.3 37.2 6.5 19.7 7.8 6.4 6.5 387 pa2729.443nl 44.0 42.0 6.2 21.5 7.3 6.6 6.2 413 pa2729.603nl 60.3 57.5 5.1 31.5 6.2 6.1 5.1 490 dc dc 1 6 3
2 pulseelectronics.com smt power inductors wire wound - pa2729.xxxnl series p704.a (10/11) for more information pulse worldwide headquarters 12220 world trade dr. san diego, ca 92128 u.s.a. tel: 858 674 8100 fax: 858 674 8262 pulse europe einsteinstrasse 1 d-71083 herren - berg germany tel: 49 7032 7806 pulse china headquarters b402, shenzhen academy of aerospace technol - ogy bldg. 10th kejinan road high-tech zone nanshan district shenzen, pr china 518057 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an road west shanghai 200336 china pulse south asia 135 joo seng road #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6287 8998 pulse north asia 3f, no. 198 zhongyuan road zhongli city taoyuan county 320 taiwan r. o. c. tel: 886 3 4356768 fax: 886 3 4356823 (pulse) performance warranty of products ofered on this data sheet is limited to the parameters specifed. 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, 2011. pulse electronics, inc. all rights reserved. pa2729.xxxnl mechanicals schematics p a2729.xxxnl ? ? dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25
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