T PL IA N M CO *R oH S Features Applications ■ Available in E12 values ■ Input/output of DC/DC converters ■ Height of 4.5 mm maximum ■ Power supplies for: ■ Current rating to 9.3 amps • • • • 10 0 ■ RoHS compliant* Portable communication equipment Camcorders LCD TVs Car radios SRR1240 Series - Shielded SMD Power Inductors Electrical Specifications General Specifications Inductance 100 KHz Bourns Part No. SRR1240-1R0Y SRR1240-1R5Y SRR1240-2R4Y SRR1240-3R3Y SRR1240-3R9Y SRR1240-4R7M SRR1240-5R6M SRR1240-6R8M SRR1240-8R2M SRR1240-100M SRR1240-120M SRR1240-150M SRR1240-180M SRR1240-220M SRR1240-270M SRR1240-330M SRR1240-390M SRR1240-470M SRR1240-560M SRR1240-680M SRR1240-820M SRR1240-101M SRR1240-121K SRR1240-151K SRR1240-181K SRR1240-221K SRR1240-271K SRR1240-331K SRR1240-391K SRR1240-471K SRR1240-561K SRR1240-681K SRR1240-821K SRR1240-102K (uH) Tol. % Q Typ. 1.0 1.5 2.4 3.3 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0 68.0 82.0 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 680.0 820.0 1000.0 ± 30 ± 30 ± 30 ± 30 ± 30 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 ± 10 10 16 10 14 14 16 14 14 10 17 16 16 14 18 16 19 14 19 16 19 16 14 12 12 12 12 10 12 12 12 12 14 10 16 Electrical Schematic Test Frequency (MHz) SRF Typ. (MHz) RDC Max. (mΩ) I rms Max. (A) I sat Typ. (A) 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 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 0.796 0.796 0.796 0.252 85 80 54 43 39 33 35 34 32 27 25 22 20 16 15.5 15 14 13 12 11 10 8 7.8 7.5 7.0 6.6 6.0 5.5 5.0 4.5 4.0 3.8 3.5 2.8 7.0 9.5 11.5 15.0 15.0 18.0 20.0 23.0 27.0 32.0 38.0 47.0 55.0 67.5 85.0 97.0 120.0 135.0 170.0 200.0 250.0 300.0 370.0 440.0 550.0 660.0 780.0 950.0 1150.0 1350.0 1500.0 2000.0 2400.0 3000.0 9.30 9.20 8.00 6.80 6.35 6.00 5.40 5.20 4.50 4.00 3.80 3.50 3.20 3.00 2.55 2.30 2.15 2.00 1.80 1.50 1.35 1.25 1.20 1.10 0.98 0.92 0.80 0.75 0.70 0.62 0.55 0.50 0.45 0.42 9.20 9.00 7.80 6.50 6.20 5.60 5.10 4.70 4.30 4.00 3.60 3.20 3.00 2.60 2.35 2.10 2.00 1.80 1.65 1.50 1.35 1.20 1.15 1.05 0.95 0.90 0.80 0.75 0.65 0.60 0.52 0.48 0.42 0.40 Test Voltage ....................................0.1 V Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Resistance to Soldering Heat ............................... 260 °C for 10 sec. Materials Core ............................... Ferrite DR & RI Wire ............. Enameled copper wire 130 Terminal ....................................Cu/Ni/Sn Rated Current ...............Ind. drop of 25 % typ. at Isat Temperature Rise .....................40 °C max. at rated Irms Packaging .................... 800 pcs. per reel Product Dimensions 12.5 ± 0.3 (.492 ± .012) 100 12.5 ± 0.3 (.492 ± .012) 4.0 ± 0.5 (.157 ± .020) 5.0 ± 0.3 (.197 ± .012) Recommended Layout 7.0 TYP. (.276) 5.4 REF. (.213) 2.9 (.114) REF. 6.8 (.268) REF. DIMENSIONS: 2.9 (.114) REF. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. MM (INCHES) SRR1240 Series - Shielded SMD Power Inductors Packaging Specifications 330 DIA. (12.99) 2.0 ± 0.5 (.079 ± .020) 30.4 (1.197) THICKNESS 0.10 (.004) MAX. 13.0 ± 0.5 (.512 ± .020) DIA. 21.0 ± 0.8 (.827 ± .031) EMBOSSED CAVITY 50.0 (1.969) 13.0 ± 0.5 DIA. (.512 ± .020) EMBOSSED CARRIER 26 (1.024) 4 (.157) END 24 (.945) 5.3 (.209) 100 100 START 100 16.0 (.63) NO COMPONENT COMPONENTS NO COMPONENT 390 (15.354) 160 (6.299) USER DIRECTION OF FEED QTY: 800 PCS. PER REEL DIMENSIONS: MM (INCHES) REV. 03/15 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.