NT IA PL M CO S oH *R Features Applications ■ Available in E12 series ■ Input/output of DC/DC converters ■ Height of 2.9 mm ■ Power supplies for: • Portable communication equipment • Camcorders • LCD TVs • Car radios ■ Current rating up to 2.1 A ■ RoHS compliant* SRR0905 Series - Shielded SMD Power Inductors Inductance 100 kHz µH) (µ Tol. % Q Ref. 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 ±20 ±20 ±20 ±20 ±20 ±20 ±15 ±15 ±15 ±15 ±15 ±15 ±10 ±10 ±10 ±10 ±10 ±10 ±10 ±10 ±10 39 40 35 39 35 35 27 31 27 26 26 26 29 31 24 24 27 30 29 26 26 Bourns Part No. SRR0905-100M SRR0905-120M SRR0905-150M SRR0905-180M SRR0905-220M SRR0905-270M SRR0905-330Y SRR0905-390Y SRR0905-470Y SRR0905-560Y SRR0905-680Y SRR0905-820Y SRR0905-101K SRR0905-121K SRR0905-151K SRR0905-181K SRR0905-221K SRR0905-271K SRR0905-331K SRR0905-391K SRR0905-471K Test Frequency (MHz) SRF Typ. (MHz) DCR Max. Ω) (Ω Idc (A) 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 29 26 24 21 18 17 14 14 11 11 10 9 8 7 6 5 5 5 4 3 3 0.06 0.07 0.07 0.08 0.08 0.10 0.11 0.12 0.14 0.19 0.21 0.28 0.34 0.37 0.51 0.57 0.78 0.87 1.20 1.34 1.50 2.1 1.9 1.7 1.6 1.4 1.3 1.2 1.1 1.0 0.93 0.85 0.79 0.72 0.63 0.55 0.50 0.47 0.41 0.37 0.35 0.33 General Specifications Test Voltage ....................................1 Volt Reflow Soldering .....230 ˚C; 50 sec max. Operating Temperature ..-40 °C to +125 °C (Temperature rise included) Storage Temperature..-40 °C to +125 °C Resistance to Soldering Heat ..................................260 °C for 5 sec. Materials Core Material...................Ferrite DR & RI Wire ............................Enameled Copper Terminal.....................................Ag/Ni/Sn Rated Current ...Ind. drop 10 % typ at I sat Temperature Rise ..15 ˚C typ. at rated I rms Packaging.....................600 pcs. per reel Product Dimensions 100 Electrical Specifications 9.9 ± 0.3 (.390 ± .012) 4.5 ± 0.3 (.177 ± .012) Inductance vs. Current 104 7 2.9 TYP. (.114) 5 3 2 152 Inductance (µH) 103 7 5 471 3 2 102 7 101 Recommended Layout 5 3 10.0 REF. (.394) 330 2 101 7 100 10.0 (.394) REF. 5 3 2.8 (.110) REF. 2 100 101 2 3 5 7 102 2 3 5 7 103 DC Current (mA) 2 3 5 7 104 DIMENSIONS: MM (INCHES) *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Surface Mount Chip-Inductor Capability MatrixInductors SRR0905 Series Shielded SMD Power Soldering Profile Electrical Schematic 275 <1> Maximum of 10 seconds between +255°C and +260°C 260°C peak <1> 255°C 225 220°C Temperature (°C) 190°C Ramp Down 6°C/second maximum 60 - 90 seconds 175 150°C 125 120 - 150 seconds 10 seconds minimum 75 Ramp Up 3°C/second maximum 25 0 50 100 150 200 250 300 Time (seconds) Rev. 02/22/05 Packaging Specifications 2.0 ± 0.5 (.079 ± .020) 330.0 (12.992) DIA. DIMENSIONS: 30.4 (1.197) MM (INCHES) DIA. 13.0 ± 0.5 (.512 ± .020) 21.0 ± 0.8 (.827 ± .032) 50.0 - 0 (1.969 - 0) 13.0 ± 0.5 DIA. (.512 ± .020) 26. + 0 (1.023 + 0) NO COMPONENT 100 START 100 100 100 4.0 (.157) 100 16.0 (.630) END NO COMPONENT 200 (7.87) COMPONENTS USER DIRECTION OF FEED QTY: 600 PCS. PER REEL 08/07 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 400 (15.75)