p733.b (02/15) 1 pulseelectronics.com smt power inductors power beads - pa4025.xxxhl series pulse ja ck e l e c t r o n i c s m1 cn current rating: over 86apk inductance range: 150nh to 360nh height: 12.3mm max footprint: 10.0mm x 6.8mm max halogen free electrical specifications @ 25c operating temperature - 40c to +130c 7 notes: 1. inductance measured at 100khz, 100mvrms. 2. inductance at irated is the value of the inductance at 25c at the listed rated current. 3. the rated current as listed is either the saturation current (25c or 100c) or the heating current depending on which value is lower. 4. the nominal dcr is measured from point a to point b , as shown below on the mechanical drawing. 5. the saturation current is the typical current which causes the inductance to drop by 20% at the stated ambient temperatures (25c, 100c ). this current is determined by placing the component in the specified ambient envi- ronment and applying a short duration pulse current (to eliminate self-heating effects) to the component. 6. the heating current is the dc current which causes the part temperature to increase by approximately 40c when used in a typical application. 7. 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 deter- mine the approximate total losses (or temperature rise) for a given application, the coreloss and temperature rise curves can be used. 8. optional tape & reel packaging can be ordered by adding a t suffix to the part number (i.e. pa4025.361hl becomes pa4025.361hlt). pulse complies to industry standard tape and reel specification eia481. the tape and reel for this product has a width (w=32mm), pitch (po=16mm) and depth (ko=13mm). 9. the temperature of the component (ambient plus temperature rise) must be within the stated operating tem- perature range. mechanical schematics dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 weight ........... xx grams tape & reel ......... xx/reel pa4025.xxxhl part number inductance 1 @ 0a dc (nh +/- 10%) inductance 2 @irated (nh typ) irated 3 (adc) dcr 4 (mw nominal) saturation current 5 (a typ) heating current 6 (a typ) 25c 100c pa4025.151hl 150 150 58 0.29 +/- 10% 75+ 75+ 58 pa4025.181hl 180 180 58 75+ 75+ pa4025.231hl 230 185 62 75 62 pa4025.361hl 360 350 36 46 36 pa4025.471hl 470 460 25 35 25
p733.b (02/15) 2 pulseelectronics.com smt power inductors power beads - pa4025.xxxhl series pulse ja ck e l e c t r o n i c s 0 50 100 150 200 250 300 350 400 450 500 0 10 20 30 40 50 inductance (nh) current (a) .151hl .181hl .231h l .361h l p a4025.xxxhl, lv sl, 100c 60 70 80 l .471h l 0 50 100 150 200 250 300 350 400 450 500 01 02 03 04 05 06 07 08 0 in duc ta nc e (n h) cu rren t (a ) pa 4025. xxxhl, lv si , 25c .1 51hl .1 81hl .2 31hl .3 61hl .4 71hl
p733.b (02/15) 3 pulseelectronics.com smt power inductors power beads - pa4025.xxxhl series pulse ja ck e l e c t r o n i c s 0. 0 0. 1 0. 2 0. 3 0. 4 0. 5 0. 6 0. 7 05 00 1000 1500 2000 co re loss (w ) b w here b = 0.24 * l(nh ) * i pa 4025. xxxh l co reloss (w ) 200 khz 500 khz 600 khz 700 khz 400 khz 300 khz 0 10 20 30 40 50 00 .2 0. 40 .6 0. 81 te mp ri se above am bi en t (c ) po we r (w ) tota l po we r di ssip at i on (w ) = co pper loss + co re loss co pper loss = irms ^2 * rd c( mo hm s) / 100 0 co re loss = (fr om ta bl e) pa 4025. xxxh l te mp ri se vs powe r di ssipat ion for more information pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. tel: 858 674 8100 fax: 858 674 8262 pulse europe einsteinstrasse 1 d-71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technology bldg. 10th kejinan road high-tech zone nanshan district shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an road west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 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) fax: 886 3 4356820 (fre) 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, 2015. pulse electronics, inc. all rights reserved.
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