Features Applications Available in E12 series Input/output of DC/DC converters Height of 2.9 mm Power supplies for: Current rating up to 2.1 A Portable communication equipment RoHS compliant* Camcorders LCD TVs SRR0905 Series - Shielded SMD Power Inductors Inductance Test Frequency/Voltage Inductance Test SRF DCR SRR0905-100M to -820Y .. 2.52 MHz/1 V Q Frequency Max. Idc Typ. **K- SRR0905-101K to 471K ......... 1 kHz/1 V Bourns Part No. H Tol. % Ref. (MHz) (MHz) () (A) Factor .. 230 C, 50 sec. max. SRR0905-100M 10 20 39 2.52 29 0.06 2.1 77 Operating Temperature SRR0905-120M 12 20 40 2.52 26 0.07 1.9 65 ................................-40 C to +125 C SRR0905-150M 15 20 35 2.52 24 0.07 1.7 57 (Temperature rise included) SRR0905-180M 18 20 39 2.52 21 0.08 1.6 53 Storage Temperature .. -40 C to +125 C SRR0905-220M 22 20 35 2.52 18 0.08 1.4 48 Resistance to Soldering Heat SRR0905-270M 27 20 35 2.52 17 0.10 1.3 43 ................................. 260 C for 5 sec. SRR0905-330Y 33 15 27 2.52 14 0.11 1.2 41 Moisture Sensitivity Level .....................1 SRR0905-390Y 39 15 31 2.52 14 0.12 1.1 36 ................. N/A SRR0905-470Y 47 15 27 2.52 11 0.14 1.0 32 SRR0905-560Y 56 15 26 2.52 11 0.19 0.93 30 Materials SRR0905-680Y 68 15 26 2.52 10 0.21 0.85 27 SRR0905-820Y 82 15 26 2.52 9 0.28 0.79 26 Core Material ................. Ferrite DR & RI SRR0905-101K 100 10 29 0.796 8 0.34 0.72 22 Wire ............................Enameled copper SRR0905-121K 120 10 31 0.796 7 0.37 0.63 21 Terminal ....................................Ag/Ni/Sn SRR0905-151K 150 10 24 0.796 6 0.51 0.55 18 Rated Current SRR0905-181K 180 10 24 0.796 5 0.57 0.50 16 ...............Ind. drop of 10 % typ. at Isat SRR0905-221K 220 10 27 0.796 5 0.78 0.47 15 Temperature Rise SRR0905-271K 270 10 30 0.796 5 0.87 0.41 13 .......................15 C typ. at rated Irms SRR0905-331K 330 10 29 0.796 4 1.20 0.37 13 Packaging .................... 800 pcs. per reel SRR0905-391K 390 10 26 0.796 3 1.34 0.35 11 SRR0905-471K 470 10 26 0.796 3 1.50 0.33 10 Product Dimensions I (peak-to-peak ripple current, A), determine core loss from Core Loss vs. Flux Density plot. 9.9 0.3 Core Loss vs. Flux Density (.390 .012) 1000 100 1 MHz 4.5 0.3 800 KHz (.177 .012) 500 KHz 10 400 KHz 300 KHz 200 KHz 2.9 TYP. (.114) 100 KHz 1 0.10 0.01 10 100 1000 Recommended Layout Flux Density Bp-p (gauss) 10.0 REF. (.394) 10.0 (.394) WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov REF. 2.8 (.110) * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. REF. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on MM DIMENSIONS: the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf (INCHES) *RoHS COMPLIANT Core Loss (mW) 100 SRR0905 Series - Shielded SMD Power Inductors Schematic 275 <1> Maximum of 10 seconds between 260C peak +255C and +260C <1> 255C 225 220C Ramp Down 190C 6C/second 60 - 90 seconds maximum 175 150C 125 120 - 150 seconds 10 seconds minimum 75 Ramp Up 3C/second maximum 25 0 50 100 150 200 250 300 Time (seconds) Rev. 02/22/05 Inductance vs. Current 4 10 7 5 3 2 3 152 10 7 5 471 3 2 2 10 7 101 5 3 330 2 1 10 100 7 5 3 2 0 10 1 2 3 4 10 23 5 710 23 5 7 10 23 5 7 10 DC Current (mA) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Temperature (C) Inductance (H)